We specialise in production and supply of fasteners to the petrochemical, mining and construction industries. Postfire mechanical properties of high strength grade 8. Astm a193 grade b8m class 1 fasteners are similar to grade b8 but instead are manufactured from aisi 316 stainless steel as opposed to aisi 304 stainless steel. Standardization of dimensions, tolerances, mechanical and functional properties, test methods and acceptance procedures of fasteners. Fastener catalog an3 thru an6 steel, cres or aluminum bolt machine, aircraft, hexagon head. Torque calculations for fasteners standard industry practice for calculating torque for a fastener assembly is to use the formula torque clamp load x diameter x friction factor 12 tpxdxk12 the desired clamp load is usually based on 75% of the yield strength or proof load strength of the threaded fastener. Furthermore, all data has been organized to let you find the facts you want with the greatest speed and least effort.
The multiplication of these two figures will give 110 of the yield stress in nmm2, so 8 x 8 110 x 640 nmm2. Make sure you have the latest version by downloading from. We are the suppliers of choice to leading customers in the automotive and industrial segment. On the other hand, rivets are considered to be permanent fasteners since removing rivets will. Bolts have a high degree of corrosion resistance compared to carbon and alloy steels. They can be made from metals, plastics or composites. Rama trading company is a steadfast source for tvs high tensile fasteners and radiator caps. Incepted in the year 1997, at new delhi, delhi, india, we acupressure health care systems, are a private limited firm, and the foremost manufacturer and supplier of superior quality high tensile fasteners, nuts and bolts, tamper proof fasteners, joint connectors, etc. Fasteners and is the direct responsibility of subcommittee f16. Deepak fasteners will at its option, repair or replace free of charge excluding all shipping and handling costs any products. What are the requirements of working capital for setting up a high tensile fasteners plant. F 1789 terminology for f16 mechanical fasteners5 g 101 guide for estimating the atmospheric corrosion resistance of lowalloy steels9 1 this speci. The first specification approved by the council, called the specification for assembly of structural joints using high tensile steel bolts, was published in january. It does not mention outgassing problems caused by the relatively high vapor pressure of these metals.
We provide these unmatched quality products at highly competitive rates. Wholesaler of high tensile fasteners high tensile washer, high tensile nuts, high tensile stud bolts and tractor top link pin offered by jp auto industries, ludhiana. Pdf postfire mechanical properties of high strength. High tensile fasteners sundram fasteners makes the complete range of high tensile fasteners. Product applications with specialized coating and surface treatments are made. A325s have a heavy hex head, a full body diameter, and are normally short in overall length since they are connecting steel to steel. The fastener manual was intended primarily for aeronautical applica tions, where. High tensile fasteners high tensile bolts manufacturer. Sundram fasteners limited leading supplier of parts for. Lead is also added for free machining qualities where required.
Astm a325 covers high strength structural bolts used in structural steel connections. Our esteemed clients can avail from us a wide range of high tensile allen bolts. Ajax fastener hand book issue99 pdf 2000 west coast fasteners. Specification for high strength structural bolts second revision i. In order to promote public education and public safety, equal justice for all, a better informed citizenry, the rule of law, world trade and world peace, this legal document is hereby made available on a noncommercial basis, as it is the right of all humans to. Silicon bronze possesses high tensile strength superior to mild. Astm a193 b8m astm a193 b8m bolt astm a193 b8m hex bolt. Fasteners high tensile fasteners, industrial fasteners.
A high strength structural bolt of size m24, length 140 mm, property class 8. This warranty is expressly given in lieu of any and all other express or implied warranties, including any implied warranty of merchantability or fitness for a particular purpose, and in lieu of any other obligation on the part of deepak fasteners. Heat treated ans 5731 and 5732 bars, forginge, tubing and rings 15 cr 26 ni. Unbrako engineering guide precision high grade alloy. Drilled head and shank 62,000 psi tensile strength. Unlike other astm grades, a325 is specific not only in the chemical and mechanical requirements, but also in the allowed. Representing the interests of north american mechanical fastener manufacturers since 1931. To be the globally recognized, north american focused, leading association representing the interests of the manufacturers of mechanical fasteners and formed parts, and the key suppliers to the industry, fostering their working together to shape the future of. Torque nut which differs from a free spinning nut in that a. A high strength fastener is a fastener having high tensile and shear strengths attained through combinations of materials, workhardening and heat treatment. Under the supervision of our mentor naveen sharma director, we have accomplished the apex of success in. Matnaroo fastners was established in tne year 1991 as a manufacturing unit for high tensile fastners by s.
High tensile fasteners high tensile precision fasteners. Ajax web site au, navigate to the price list page to download. Specification for structural joints using highstrength bolts. Introduction a fastener is a hardware device that mechanically joins or affixes two or more objects together. Specification for structural joints using astm a325 or. Thirty years on, this vision is still paramount, a service that delivers a range of fasteners on time, every time. Manufacturer and supplier of high tensile fasteners, best price of stainless steel high tensile fasteners, high tensile precision fasteners, grade 8 high tensile fasteners, high tensile fasteners 8. Ajax fasteners is australias largest manufacturer and distributor of quality industrial fasteners.
Everything you need to select, specify and order these precision products is at your finger tips. How has the high tensile fasteners industry performed so far and how will it perform in the coming years. The first specification approved by the council, called thespecification for assembly of structural joints using high tensile. Scope and field of application covers the requirements for large series hexagon, high strength structural steel bolts in property classes 88 and 109 and in the size range ml 8 to m36 with. High tensile and yield strength high shear strength three screws do the work of five clearance for socket wrench no wrench clearance necessary dimensions and tightening torques iso metric threads. High tensile fasteners and nuts and bolts manufacturer. Code of practice for high strength bolts in steel structures ced 7.
Rama trading company has a centralised warehousing facility at visakhapatnam where about 7. Wholesaler of high tensile fasteners high tensile washer, high tensile nuts, high tensile stud bolts and tractor top link pin offered by jp auto industries, ludhiana, punjab. We are pan india supplier for tvs high tensile screws, bolts and nuts. This range is sourced from the famed vendors of the market who follow a strict quality guideline to manufacture this range. Before heat treatment, calibration of the furnace, thermocouples and controllers shall be ensured as per the calibration procedures approved by ams 2750d and isac. We are a worldwide manufacturer and exporter of manufacturer and exporter of nuts, bolts, studs, screws, washers, cap screws, sockets, threaded bars, threaded rods, structural fasteners, machine screws, auto fasteners,ubolts, tension control bolts, shear connectors, foundation bolts and fasteners as per customer drawing and specification in high tensile and stainless steels. Fastener description material nominal size range in. When specifying ajax products you are protected, not only by the appropriate headmarks that conform to australian standards, but by the unique tracelink system which covers the ajax fasteners high tensile and structural range. Sundram fasteners limited is a part of the tvs group.
Specification for structural joints using high strength bolts august 1, 2014. For fasteners of size below m8 and wire thread inserts. A high strength fastener is a fastener having high tensile and shear. Heat treatment the strength and ductility of metals can be significantly. Hightensile strength studs types hfg8, hf109 metric. As seen by their replacement with titanium alloys, many landing gear parts do not require materials with such high strength and for. What is the project feasibility of a high tensile fasteners plant. High tensile fasteners high tensile washer wholesaler. Investigation of statistics of failure modes and locations in bolts. It focuses on critical boltingbolts, studs, nuts, and fasteners used on critical connections. Mechanical properties proof load psi yield strength min psi tensile strength min psi a325 astm a325 type 1 high strength structural bolts medium carbon steel, quenched and tempered 12 thru. High tensile fasteners sundram fasteners makes the. Please feel free to contact me or nucor fastener sales if. These high tensile allen bolts are stringently examined on various quality parameters to ensure their following feature.
Astm a325 bolts astm a325 structural bolt a325 hex bolt. Astm a193 specification covers alloy steel and stainless steel bolting material for pressure vessels, valves, flanges, and fittings for high temperature or high pressure service, or. Fastener center a division production components incfastener center a division production components incfastener center a division production components inc is d edicated to maintaining a high level of quality and reliability in serving our. A number in parentheses indicates the year of last. Download ss fasteners dimensions buttweld fittings fasteners flanges forged fittings pipes tubes tube fittings.
Pdf investigation of statistics of failure modes and. The term fastener covers all types of products designed to mechanically connect two or more structural parts to form a solid or movable joint or to contribute essentially. Tensile testing at ambient temperature issued by the international organization for standardization iso was adopted by the bureau of indian standards on the recommendations of the mechanical testing of metals sectional committee and approval of the metallurgical engineering division council. Tensile strength, or ultimate strength, is that property of a material. In order to promote public education and public safety, equal justice for all, a better informed citizenry, the rule of law, world trade and world peace, this legal document is hereby made available on a noncommercial basis, as it is the right of all humans to know and speak the laws that govern them. These high tensile fasteners offer excellent corrosion resistance. A complete laboratory with the stateoftheart equipment is available for complete chemical and mechanical tests implants. Mechanical properties of steel bolts, screws and studs. High performance bolting technology for offshore oil and natural gas operations summarizes strategies for improving the reliability of fasteners used in offshore oil exploration equipment, as well as best practices from other industrial sectors. Mechanical properties proof load psi yield strength min psi tensile strength min psi a325 astm a325 type 1 high strength structural bolts medium carbon steel, quenched and tempered 12 thru 1118 thru 112 85,000 74,000 92,000 81,000 120,000 105,000 a325 astm a325 type 2 low carbon.
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