Bolt tensioning chart pdf. Material Softens And Strength Reduced.

Bolt tensioning chart pdf 1). 47 Series 1, MSS-SP44, API-6A and API-17D flanges. Metric Bolting Diameter Tensile Stress Area mm² Suggested Bolt Load KN. 1 – Torque -tension relationship for tightening of bolt assemblies . T. Safe, reliable, and repeatable, the use of hydraulic tensioners offers many advantages over less accurate tightening methods: • Direct: Tension is applied directly to stretch the bolt, so no need to fight against friction or losses. 8, 10. diameter (Table 5. 5, MSS SP-44 and API17D flanges. 9 & 12. 109 nickel & graphite k=. It lists nominal diameter, threads per inch, minimum tensile strength, minimum yield strength, estimated shear strength, clamp load, and recommended tightening torques for different lubrication coefficients. The GT Tensioner can also be used for a single stud bolt application. ” Although axial tension control should normally be carried out, because axial tension is difficult to This document provides specifications for common fasteners from organizations like ASTM, SAE, and ANSI. 4 Bolting is a specialist skill and only trained technicians shall carry out the controlled breakout and tightening of bolted joints. To Avoid Failure, Lower The Torque. 1) ITH manufactures bolt tensioning cylinders (BTCs) that use a stretch method for pre-tensioning bolts, providing consistent pre-load forces within ±2. Tensile Strength Min psi. Because of these existing variables, the only way to determine […] to present its contents accurately. manual torque wrench value chart. Proper bolt Bolt tensioning is now the preferred method of tightening bolts and studs on all critical applications. 9, along with nominal bolt sizes and thread pitches. Definition of Torque 3. SPECIFICATION Designed to fit most ANSI B16. Enhanced Brittleness And Cracking Risk. Often however, the bolt load is overlooked. 140 loadisc k=. 6. ITH bolt tensioning cylinders work according to the hydrau-lic, torsion-free, and friction-free bolt tensioning method. 150 api sa2 k=. Each tool model listing includes the bolt diameter, hydraulic area, maximum load, weight, and key dimensions. It references bolt tensioning tools and torque tables specified in newton-meters (N. 9 Extreme caution should be used when using a formula for torque/tension relationships. ISO 4032: Hexagon nuts (former DIN 934) DIN 2510-5: Hexagon nuts; EN 14399-4: High strength pre tension able bolt connections for the steel constructions (former DIN 6915) Heavy hex nuts; Hexagon nuts according to customer designs; Round nuts: Our tools are available through sales, rental, or with on-site technical support. 9) to ensure bolts are sufficiently tightened. A (in2) Hydraulic Pressure Area HT Tool Ref T. Currently AS 4100 (and the new AS/NZS 5131(Ref. Revised values for pre-installation verification testing and for pretension for Group 120 bolts larger than 1 in. 2 Calibrated Wrench Method. 08. Head Marking. It describes the necessary equipment, including tensioning pumps and tools. 9 Bolts. 8* 10. 5, ANSI B16. Clamp loads estimated as 75% of proof load for specified bolts. Rockwell Hardness Min/Max. Flange Bolt Manual Torque wrench Value Chart. 9 371 440. chart provides the minimum length bolt when using AS/NZS 1252. For example: Bolt Grade 8. Table 8. Rev 3-4-09 Torque-Tension Relationship for ASTM A574 Socket Head Cap Screws minimum required bolt tension. 20 Sep 4, 2019 · Boltight is a global leader in hydraulic bolt tensioning solutions that ensure critical bolted connections are securely tightened. Formula to use: Residual Bolt Load = Bolt Stress x Bolt Tensile Stress Area Units: BOLT TENSION CALIBRATOR. 8 1 Clarification of bolt tensioning The purpose of this technical note is to define the acceptable requirements for the assembly and tensioning of High Strength Bolts for Department of Transport and Main Roads (TMR) projects. It includes: 1) A selection chart that delineates between manual torque wrenches, mechanical/hydraulic torque wrenches, and hydraulic bolt tensioners based on pressure class and flange diameter. Cross-Load Factor (CLF) Accounts for Elastic Loss between Bolts on the Flange This document provides torque values for different bolt sizes and grades (A307A, 5, 8, 9) under various thread conditions (lubricated, dry, etc. Jan 25, 2024 · This torque tension reference guide delves into the intricate relationship between torque—often represented in a bolt torque chart—and tension, a critical aspect seen in bolt torque specs. 5 3. 05 times the minimum required pretension is applied to the bolting assembly. 2 has been used which assumes TN62 Assembly and Tensioning of High Strength Bolts and Nuts - Part 1: Class 8. . When pressure is reached, the nut threads on without friction. • Use specified bolts and nuts, tightening them to the torques specified in this section unless otherwise stated. 65 01 3. When a threaded fastener is tightened, the induced tension results in friction under the head of the bolt and in the threads. 13. 0 percent. For convenience, chart of torque values for common sizes of ASTM A193 Grades B7 and B16 studs and lubricants are shown in Figures 2-1 and 2-2. Boltight Boltight Standard Bolt Tensioners Use the same tensioner for all standard Oil & Gas flanges, unsurpassed in its ease of use during installation. Tightening in pure tension means studs will not gall in the tapped hole and can be easily removed. It lists the recommended tightening torque values for lubricated, zinc plated and plain/dry conditions. Grade 1 - SAE J429. Each segment is fitted with just a single hydraulic inlet port which means that a typical 16 bolt, 4 segment MST system uses just turned, the bolt head (or component of the bolt that will remain stationary) is held with a back-up wrench. Also available on tablet PC and 6. 5% tolerance without issues of friction or torsion. 8 mm (7") display. • Threaded portions and bearing surfaces should be dry. The data produced by this software is only applicable when using Tentec Bolt Tensioning tools. 14. The document is a specification sheet containing technical This document provides instructions for hydraulic bolt tensioning. BOLT TENSIONING TOOLS Boltight’s T-Series hydraulic bolt tensioners are a standard range designed for general use on topside applications. Two methods of bolt tensioning: 1. Wilhelm MZ-100 Bolt Tension Calibrator. 25 1. Torque values listed in inch-pounds through and including M8; M10 and over are in ft-pounds . 10. 200 required torque (ftlbs) custom (insert k) This document provides a metric bolt torque table with specifications for bolt sizes from M5 to M36 under dry and lubricated conditions. Coatings such as Teflon or Xylan offer extremely low coefficients of friction. Bolt Grade / Specification. 3 Bolt Tensioning Cylinders can be used for the following fastener configurations: Hexagon nuts. 06 (c) 3 covers fiel d tensioning of bolted connections. Tightening torques are calculated using a formula involving 3. 7. Accompanying notes explain that the torque values can only be achieved if the nut or tapped hole strength exceeds the minimum Torque-Tension Relationship ISO 898-1 Property Class 4. Material Softens And Strength Reduced. 9* M12 49kN 61kN M16 6 W = target bolt load: max [ W (P+F+M) /n B; W (PT) /n B; W (GS) /n B], N K = nut factor, to be set at 0. Direct Tension Indicators work when the patented protrusions are compressed as the axial tension force in a bolt or stud is increased by rotating a nut. STUD BOLTS Superbolt nut-style tensioners can be used on studs into blind-tapped holes. However, the method employed to tighten the bolts is very important and can result in significant variations from those anticipated. Pipe flange bolt torque charts provide typical torque values for different The chart details the minimum and maximum tension, tightening torque range for lubricated and plain bolts, and threads per inch for each bolt size according to ASTM A490 specifications. The spacing of the protrusions allows the bolt to attain correct tensioning which can be verified through inspection of the gap between the bolt head and the surface of the DTI. 2 - 3. Tentec CTST Bolt Tension Antiirtion rout Reliilit Treilit hoson. The torque value to be used for applying tension should be the value specified by the equipment manufacturer whenever it is available. Rev 3-4-09 Torque-Tension Relationship for ASTM A193 B7 Bolts and Studs Tightening Torque K = 0. Torque-Tension Chart for B7. 2 Tension the remaining bolts to the final stress value listed in Table SAEP-351-02 and 03 and reseat the nuts. 1500 bar maximum working pressure. How Does Temperature Affect The Torque Calculation For ASTM A193 B7 Bolts? Common Characteristics. This document provides a table with torque-tension relationships for tightening various sizes of ASTM A193 B7 bolts and studs. 75 2 2 2. • IFI-100 does not govern lock nuts above 1". ventional 16 bolt closure flange would need 4 segments, each segment simultaneously tensioning 4 bolts. 125 copper & graphite k=. uniform or alternating arrangement, as required by the application to be tensioned. 1 Tensioning first 50% of the bolt to the final stress value listed in Table SAEP351-02 and 03 and reseat nuts. in diameter and greater (Table 3. No Modification Required. It explains that proper bolt torque is essential for sealing flanged joints to avoid leaks. i The target tension level for most applications can be calculated using the KLINGER Expert gasket analysis software. Hydratight has developed a methodology to overcome this, optimising the bolt load to give a safe, reliable and leak-free value. 15 was used to calculate. Lessened Strength,. The process involves applying hydraulic pressure in stages to stretch bolts and achieve proper tension. 2) The BTC threads onto the bolt, then a pump generates hydraulic pressure to elongate the bolt to the desired pre-load force. Sometimes called twist-off or Lejeune bolts, they are designed with a spline that shears off when it reaches the proper level of tension. For increased control and operation the torque multipliers within this series are equipped with a high resolution 177. The tools are designed to fit on to most ANSI B16. 100 moly/lead oxide/graphite k=. Our focus is not only to define these key concepts but also to illuminate their practical interplay in mechanical systems. No Change. pdf), Text File (. 12 K = 0. 76. MZ-100 test equipment pdf manual download. It includes: - Calculations for bolt lengths according to ASME B16. stud bolts of a joint assembly; in either a . ” AISC/RCSC 16. The document provides the ASTM A490 Bolt Torque Chart, which specifies standards for heavy hex structural bolts ranging from 1/2 to 1-1/2 inches in diameter. Scribd is the world's largest social reading and publishing site. Extreme caution should be used when using a formula for torque/tension relationships. A (in2) Hydraulic Pressure Area To obtain SRT Tool Pressure Multiply HT Tool Pressure BY: 7/8” 02 2. 6 The document provides specifications for Hydratight's PS series of topside bolt tensioners. 5 62 84. e. Direct Tension Indicator (DTI) washers 2. 9) and sizes. 157 machine oil k=. 2). If you exceed the proofload value when tensioning the bolt, you run the risk of bolt failure. 1 1” 1 2. Consistent: Using multiple bolt tensioning tools on a bolted joint gives a much improved uniform bolt load across all bolts. In use, GT Tensioners are attached to the . Compatible with imperial and metric bolts from ¾" - 4” (M16 – M100). Bolt tensioning cylinders apply tension to bolted joints using hydraulic pressure in an axial direction without friction or torsion effects for high precision and repeatability. 6, 8. For sealing drain bolts, gas and liquid The fixing force at this time is called the axial tension (tightening force), and the target of screw tightening is to“ apply an appropriate axial tension. The tensioners are available in sizes ranging from M16 to over M100 and are capable of applying loads from 14,400 to 389,900 pounds. Or as limited by the piping class specifications or the the bolt minimum or maximum temperature specification. 53 0. to present its contents accurately. The Sweeney digital torque multiplier series was developed to perform high tolerance bolt up and break out operations within the Aero, Industrial and Oil and Gas industries. 86 19. 2 in design. less than 20% of the energy to produce useful tension in the shank of the bolt. H. The tables list bolt diameters, spaner sizes, recommended torque values, and resulting tension forces for various bolt grades (6. Do not use the recommended bolt stress 7. Failure occurs by either the bolt breaking before minimum tension, or tensile load climbs and then falls, as indicated by the tension calibrator, without ever achieving minimum tension. Standardized mechanical testing and specifications ensure fasteners meet requirements for strength, hardness, and other ed to the tension or shear load when designing a bolted joint? It is important to remember that pre-tension (i. A gap between a direct tension indicator and the hardened surface on which it bears that is less than the gap measured in a bolt tension measurement device when a tension equal to 1. They offer a comprehensive range of standard and custom bolt tensioning tools to accurately tighten bolts for industries like oil and gas, wind, and marine. ). 15 K = 0. A hydraulic bolt tensioner is an annular jack which fits over the bolt and nut to be tightened. C. 9, 12. Flange Service Temperature range for the recommended bolt stress values are -101ºc to +200ºc. 11 Appendix C para. CAUTION: All material included in these charts is advisory only, and its use by anyone is voluntary. Increased standard bolt hole diameter and slot widths for bolts 1-in. This document provides technical information about bolt tensioning cylinders including their functional principle, advantages, designs, features, and modular design. 22 2 4. com USER MANUAL MODEL MZ-100 BOLT TENSION CALIBRATOR Tension control (TC) bolts are the most popular structural fasteners in North America. 5 131. For bolt-tensioning equipment, see DEP 70. P. • Where the property class differs between the nut and bolt (or stud bolt), use the tightening torque specified in the table for the bolt. Manual Torqueing NO Flange Protocol required color Code Manual Torqueing Flange Tightening Protocol required color Code Oil and gas refinery plant pipeline flange bolt torque value chart. 6 3. Everything about the design of a Tentec MST is included to allow for extremely rapid and simple bolt tensioning. LLF is based on configuration of bolt diameter and grip length. ASTM A307 utilized 75% of 36,000 PSI. It lists the nominal diameter, thread size, tensile stress area, and recommended clamp loads and tightening torques for each combination using formulas that calculate torque based on the bolt's diameter, clamp load, and a coefficient (K) for the Dec 11, 2024 · Flange Bolt Torque Value Chart Lubricated Bolt Torque Value Chart. GT Tensioners are to be used as part of to present its contents accurately. If a lubricant is used with a friction factor different from that stated, the torque must be corrected. Bolt tensioners are designed for operation in a wide variety of applications including pipeline flanges, heat exchangers, pressure vessels, compressor covers, boiler feed pumps, windmills and many others. 8 lubricated with Molibden based grease. torque wrench bolt tension chart hobbiesxstyle; flange bolt torque chart pdf; 64 problem solving bolt torque chart asme b16 5; nut bolt a f stud b; 9 best hytorc images technical documentation torque; hydraulic torque wrenches; 42 unmistakable torque wrench bolt tension chart; hydratight tensionmax hm12 hm14 nexxis; hydraulic bolt tensioning Calculation notes on using Hydraulic bolt tensioning tools. 8 10. - Reference documents and general notes on bolt Dec 1, 2019 · Using the approach outlined here, piping engineers can select the most appropriate bolt-tightening technique based on pressure class and flange size, and calculate the required torque or tool industries using our standard ranges of hydraulic bolt tensioning tools, hydraulic nuts, innovative ranges of direct drive, square drive hydraulic torque wrenches, pneumatic and electric nutrunners. 45 248 302. 9 Metric Course Thread Nominal Dia (mm) 5 6 8 10 12 14 16 18 20 22 24 27 30 33 36 39 Thread Pitch 0. The radial mark through the end of the bolt tail should still be aligned with the start mark, S, on the outer ply. Single-stage BTCs have one effective piston area while multi-stage BTCs have two or more piston areas. Along with our general purpose tensioners and torque wrenches we Bolt tightening, torquing, and tensioning procedures for structural steel work involve a sequence of steps including purpose, scope of work, references, man power, tools and equipment, procedures, quality control, safety, and attachment. - Tables with bolt lengths for different flange material grades, pressure ratings, and equipment. • Torque the bolts to the final torque value as listed in Attachment -3 in three passes using the sequential order as shown in Attachment -1 for each pass. /S = bolt designed assuming the snug tight condition /TB = bolt designed assuming the bolt is tensioned and resists loads at the ultimate limit state by bearing of the bolt on the connected plies /TF = bolt designed assuming the bolt is tensioned and slip between the plies at the serviceability limit state is restricted Bolt tensioning is now the preferred method of tightening bolts and studs on all critical applications. com. As Title: Metric Bolts, Screws & Nuts: Tightening Torques Author: Fastener Mart Created Date: 8/12/2006 10:22:23 PM This document discusses flange bolt torque calculation and provides pipe flange bolt torque charts. Available for electric and pneumatic high-pressure hydraulic pumps; ITH documentation system ITH measurement and control software, installed on an industrial PC at the system wagon. Download Free PDF. 9 Diameter mm 10 12 14 16 18 20 22 24 ao Bolt Tension Corresponding to 65% of Proof Load Recommended Assembly Torque 7. 1 DIN931/3/4 DIN6921 JIS B1189 METRIC M1. Muthu ks. Approximate Torque Nm Grade 4. Bolt Tension Chart TRAINING • FIELD SUPPORT • TECHNICAL EXPERTISE the best way to bolt! DIAMETER GRADE A325* A490* 1/2″ 12kips 15kips 5/8″ 19kips 24kips 3/4″ 28kips 35kips 7/8″ 39kips 49kips 1″ 51kips 64kips 1 1/8″ 56kips 80kips 1 1/4″ 71kips 102kips 1 3/8″ 85kips 121kips 1 1/2″ 103kips 148kips 8. • Following the initial tightening specified under paragraph 4. There are many variables affecting the torque-tension relationship, such as human error, surface texture, and lubrication. 2 - - Tension in Bolt Force Torque Clamping Force Clamping • The flange joints, which are recommended for bolt tensioning, but not having sufficient bolt length or sufficient room to accommodate the Bolt tensioners (up on approval from client). 9 High Tensile Bolts AS 1110. The torque values can only be achieved if nut (or tapped hole) has a proof load greater than or equal to the bolt's minimum ultimate tensile strength. 5 3 3 3. It is generally accepted that as much as 50% of the applied torque is expended in overcoming friction between the bolt head and the abutting surface and another 30% to 40% is lost to friction in the threads. The selection chart shown in Table 1 shows the demarcation between three different bolt- tightening techniques for standard ASME B16. Technician training requirements are outlined, and safety precautions are reviewed. A broad range of hydraulic bolt tensioners designed for critical fastening applications The design of Bolt Tensioning Cylinders (BTC) can be divided into single-stage and multi-stage types. It includes specifications for materials, coatings, sizes, mechanical properties, and grade markings for bolts, screws, nuts, washers, and other threaded fasteners. 27 45. BOLT TORQUING / TENSIONING PROCEDURE. pdf - Free download as PDF File (. 89 01 3. Each base tool can be converted for use with different bolt sizes using a conversion kit. Low or medium carbon steel : 1/4" - 1-1/2" 33,000: 60,000: 36,000: B70 / B100 HYDRATIGHT TO SRT TENSIONER PRESSURE CONVERSION CHART Version 2. The torque figures quoted have been based on a theoretical bolt load equal to 85% of the proof load of the bolting material. 4. Rev 3-4-09 Torque-Tension Relationship for Metric Fasteners Clamp Clamp Clamp Clamp should be marked according to their Bolt Grade – a classifica-tion standard in a two-digit system where the first digit refers to the minimum tensile strength in 100 N/mm2 and the second digit indicates the relation between the yield point and the minimum tensile strength. - Reference documents and general notes on bolt to present its contents accurately. For this reason the multi-stage Bolt Tensioning Cylinders usually have a reduced outside diameter. 9 12. These recommendations are for non-gasketed metal-to-metal joints. 200 required torque (ftlbs) custom (insert k) This document provides bolt length calculations and tables for various flange connections on a project. Bolts, Screws and Studs . Subsea Bolt Tensioning System Aquajacks AJ series plus reaction nuts (Quantity available up to 100% tensioning) Link Pipes Asy 1,0 m‐1500 bar Link Pipes 5 m‐1500 bar "Y" Pipes Asy 2,0 m‐1500 bar Hose Reel & Stand SS plus Pipe 90 m‐1500 bar Complete Sets of spare parts Certification package Tensioning Bolts Section 407. One can see that as the pres¬ sure class increases, the tightening method becomes more critical. - Fluid Power Technology produces a wide range of wind tensioners, CTP-W series, specifically Bolt Size AS1110/1 - ISO 4014 AS1252. The method guarantees reproducible pre-tensioning forces within a close tolerance of ±2. 4 Ultrasonic measurements for tensioning are not required unless directed by Owner’s Engineer. The torque values in the charts are based upon the following: Summaries_of_Bolt_Tensioning. MJT bolt heads are more compact and fit into tighter areas; additionally they This is done to allow a safety buffer so that the bolt does not get too close to the proofload value. 5 2. 67 10. The table then gives the recommended torque specifications in Newton meters for tightening each bolt size according to its This document provides bolt length calculations and tables for various flange connections on a project. Load loss factors are considered, and tension values are The document provides a table with torque and clamp load specifications for metric fasteners of different material grades (Classes 4. Nominal Size (Inch) Proof Load psi. Under/over tightening of fasteners can result in costly equipment failure or personal injury. 7 527 lbf 1 720 4440 7030 1 9000 23160 42820 55750 68100 83410 99070 99070 63 109 175 270 370 528 720 915 Extreme caution should be used when using a formula for torque/tension relationships. m). 5 1. 6 8. Axial Bolt Load: Bolt load is applied axially to the bolt. For this method, ITH has developed a digital application management system, 442 SOUTH GREEN ROAD SOUTH EUCLID, OHIO 44121 USA VOICE: 216-481-4774 FAX: 216-481-2427 www. Except for TC Tentec CTST range of topside bolt tensioning tools comprises 6 base tools covering bolt sizes from 3/4” to 4” (M20 to M100). 76 . ITH Bolt Tensioning Cylinders One or more Bolt Tensioners, all types; ITH high-pressure hydraulic pump Integrated in a system wagon. au QUALIT FASTENERS SINCE 935 T TEMPLATE Hex Bolts Tightening Torque Tensile / Yield / Shear Strength Tightening Torque Note: The tightening torque values given in the above table serve only as a guide. The initial pre-tension is reduced to zero (or near zero) as a bolt is loaded to failure in shear and/or tension. Material. BOLT TIGHTENING EQUIPMENT BOLT TIGHTENING EQUIPMENT 128 wwwrie wwwrie 129 PRODUCT PAGE PRODUCT PAGE CUSTOM TENSIONERS ON REQUEST Hydraulic bolt tensioners for the wind turbine sector Series CTP-W For wind and renewables F. In a bolted joint, the flange, bolts, nuts, gaskets, geometries and materials are all dimensioned and toleranced. 95 164 90. - Additional allowances for bolt tensioning requirements. T3 - The tensioning procedure must account for load lost between the tensioner and the bolt and where less than 100% coverage is used the load lost between adjacent bolts on the flange. It lists the minimum tensile strength for bolt material classes 8. This document provides guidance on selecting appropriate bolt tightening techniques for flanged connections based on pressure class and flange size. The friction factor of 0. Torque values for 1/4 and 5/16-in series are in inch-pounds. Flange Bolt Torque must be applied to the fastener assembly until the tension calibrator indicates adequate tension or the bolt fails, whichever occurs first. Turn-of-Nut NOTE! Turn-of-Nut method is only allowed with approval of the District Bridge Engineer in the 2016 Road and Bridge Specifications! 39 Tensioning Bolts 8531 S. This document provides guidance on properly installing bolts before operating systems or equipment. TAPPED HOLES Superbolt bolt-style tensioners are often used into blind-tapped holes. 1 Minimum Bolt Pretension moved to Table 5. 8 desig- bolt size dia. Reliability depends on achieving and maintaining an acceptable level of tension n each bolt. 5 flanges. Inconsistencies such as friction, bending and lubricant are not a factor when using bolt tensioners. Clamp Loads for Grade C lock nuts equal 75% of the bolt proof loads specified for SAE J-429 Grade 8, and ASTM A-354 Grade BD bolts. 8, 8. 2 for non-coated bolts T = target torque, Nm DETERMINING TOOL PRESSURE The following Download Free PDF. txt) or read online for free. Yield Strength Min psi. x tpi hex nut across flat stress area (in2) min yield strength (psi) bolt tension ts 801moly(lbs) molybdenum disulfide k=. If not, this is a clear indication that the bolt head turned during tightening, and the bolt tension may be below the tensioning, the new Tentec Aero WTB is a purpose designed range of hydraulic bolt tensioning tools to suit most wind turbine bolting applications. Clamp load calculated as 75% of the proof load when specified by the standard. minimum bolt load required to provide a seal. 1. Bolt Grade Markings & Strength Chart - Inch Steel Bolts. 15. Rev 3-4-09 Torque-Tension Relationship for Metric Fasteners Clamp Clamp Clamp Clamp Property class 10. 8 1 1. Because the calculations specified in the torque chart below are offered as a guide only, it is the sole responsibility of any person using them to assume all risk. The equation for calculating flange bolt torque takes into account factors like bolt diameter, axial force, and a nut factor. If using API bolting requirements, refer to applicable API specification for tightening torque values. 4, calibrated torque wrench shall be used to tighten bolts to provide a tension at least 5% more than the minimum bolt tension specified in the table below (as per ASTM A325) and SAIC-M-2009. installation tension) is always ignored when determining the design strength of a bolted joint. 2004 Revision 02 Bolt Dia (in) SRT Tool Ref T. Sep 23, 2020 · • an increase in STD bolt hole diameter and SSL and LSL slot width for bolts 1 inch diameter and above, • recognition of the new ASTM F3125 standard, which consolidates and replaces ASTM A325, A325M, A490, A490M, F1852 and F2280, • increased minimum bolt pretensions for Grade A325 bolts of 1-1/8 inch diameter and greater, which BOLT TIGHTENING SOLUTIONS Consistent, Dependable and Safe. Freeway Drive Macedonia, Ohio 44056 United States | Phone: 1-800-232-2659 | Email: [email protected] bolt load. 2-xi: Job Inspection Gap. Little Impact. Torque-Tension Requirements • Clamp Loads for the Grade B lock nuts equal 75% of the bolt proof loads specified for SAE J-429 Grade 5, and ASTM A-449 bolts. 53 1. new bolts, material asTM a193-B7, a193-B16, a320-l7 & IsO 898-1 class 8. These feature packed tension- of a pre-determined load to a nut and bolt assembly. 9, and 12. A k factor of 0. Clampload is only a estimated number, there maybe situations where the engineer calls for the bolts to be tensioned to a different value. 3. Where the proof load is not quoted in the specification this has been taken as 95% of the yield stress. Using our TC Wrenches, you can install TC bolts simply and economically. Torque is only an indirect indication of tension. 20 1. 7)) calls up two methods for tensioning of bolt assemblies, either the part-turn method of tensioning, or the use of a direct tension indicator device (DTI). 5 and API standards. 1 Class 10. Variations in this friction loss, from bolt to bolt causes non uniform tension in bolts that have been tightened to the same torque or impact wrench setting. skidmore-wilhelm. All WTB Tensioning tools have the capacity to achieve the specified proof load requirements as detailed in EN ISO 898-1:1999 and ASTM A490M for grade 10. 5 4 4 Min Tensile (N) 5680 8040 14640 23200 33720 46000 62800 76800 98000 121200 141200 183600 224400 277600 326800 390400 We would like to show you a description here but the site won’t allow us. Reduce Torque. zeil wunev cdjeu aejy oiceiy cdxr quui huzv sgacdo brsbz dcddsm zfalj ckfvytv sqzlaqw whwpq