Extension springs are typically manufactured with an initial tension fi which presses the coils together in the free state. This fabrication method allows consistent free lengths to be produced, but since the initial tension is not zero, the spring rate is not truly linear when measured from the resting state. However once the initial tension is overcome, the spring does behave linearly.
Threaded rods
Inserts Bolts Nuts Screws Washers Rivets Springs Anchor-Bolts Heads
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Varun Enterprises is Ludhiana India based manufacturers and exporters of high tensile fasteners products like high tensile precision hex bolts, hex nuts, High Tensile Fasteners, Precision Fasteners, High Tensile Bolts, High Tensile Hex Bolts, High Tensile Nuts, High Tensile Hex Nuts, Anchor Foundation Bolts, Threaded Rods, Threaded Bars, Coil Rods / Tie Rods, Threaded Studs, Spring Washers, Plain Washers, Flat Washers, Railway Fasteners, Road Crash Barrier Fasteners, Structural Bolts, T-Bolts Tbolts, U-Bolts Ubolts, Eye Bolts, forged fasteners, Forging Fasteners, forged bolts, forged nuts, precision nuts, precision bolts, heavy fasteners, construction fasteners, structural fasteners, pipline fasteners, oil & gas fasteners, powerline fasteners, automotive fasteners, automobile fasteners supplier exporter manufacturer distributor from India Punjab Ludhiana.
Varun Enterprises is Ludhiana India based manufacturers and exporters of high tensile fasteners products like high tensile precision hex bolts, hex nuts, High Tensile Fasteners, Precision Fasteners, High Tensile Bolts, High Tensile Hex Bolts, High Tensile Nuts, High Tensile Hex Nuts, Anchor Foundation Bolts, Threaded Rods, Threaded Bars, Coil Rods / Tie Rods, Threaded Studs, Spring Washers, Plain Washers, Flat Washers, Railway Fasteners, Road Crash Barrier Fasteners, Structural Bolts, T-Bolts Tbolts, U-Bolts Ubolts, Eye Bolts, forged fasteners, Forging Fasteners, forged bolts, forged nuts, precision nuts, precision bolts, heavy fasteners, construction fasteners, structural fasteners, pipline fasteners, oil & gas fasteners, powerline fasteners, automotive fasteners, automobile fasteners supplier exporter manufacturer distributor from India Punjab Ludhiana .
Manufacturer & Supplier of Duplex & Super Duplex Bolts & Nuts & Duplex Stainless Steel Nut Bolt. Our product range also comprises of Hastelloy Bolts, Stainless Steel Fasteners and Foundation Bolts. Duplex Stainless Steel Nut Bolt Item Code: 2205 We are one of the topmost manufacturers, suppliers and traders of a wide range of optimum quality Duplex Stainless Steel Nut Bolt. Manufactured in adherence to the industry set norms, these products are known for their resistance to corrosion, fine finish and durability. For the purpose of ensuring a defect free range, these nuts and bolts undergo various quality assurance checks. Features Corrosion resistant Durable finish Accurate dimension Other Details Chemical Desalination Material handling Oil and Gas extraction Pulp and Paper Petrochemical Augers Cargo tanks Couplings Diaphragm seals Fans Fasteners Heat exchangers Hubs Instrumentation tubes Pipe fittings Press rolls Pressure vessels Rotors Screw conveyors Shafts Valve parts Roughly double the strength of standard austenitic stainless steels, designed to improve resistance in many applications such as chloride environments and sulfide stress corrosion A-479 Types Duplex 2205 (S31803) Duplex 2205 stainless steel (both ferritic and austenitic) is used extensively in applications that require good corrosion resistance and strength. At temperatures above 300°C, the brittle micro-constituents of this grade undergo precipitation, and at temperatures below -50°C the micro-constituents undergo ductile-to-brittle transition; hence this grade of stainless steel is not suitable for use at these temperatures. Duplex S32750 Duplex 2507 is a super duplex stainless steel designed for applications which demand exceptional strength and corrosion resistance. Alloy 2507 has 25% chromium, 4% molybdenum, and 7% nickel. This high molybdenum, chromium and nitrogen content results in excellent resistance to chloride pitting and crevice corrosion attack and the duplex structure provides 2507 with exceptional resistance to chloride stress corrosion cracking.
Manufacturer & Supplier of ASTM A453 GR.660 Studs Bolt Nuts. Our product range also comprises of Hastelloy Bolts, Stainless Steel Fasteners and Foundation Bolts. Item Code: 2205 Item Code: ASTM-A453 A286(ASTM A453 GR.660 ) is a precipitation hardening, austenitic stainless steel designed for use at temperatures up to 1300°F (704°C), where high tensile strength, excellent creep strength and good corrosion resistance are required. AANURAJ INDUSTRIES are experts in the manufacture of all types of A286 fasteners, from A286 Hex Nuts, A286 Hex Bolts & A286(ASTM A453 GR.660 ) Studbolts through to complete special fasteners made to Drawings. AI manufactured Special Fasteners in specification ASTM A453 660 are used in all types of applications including Oil production, Infrastructure,jet engines, gas turbines, and super-charger components.
We fabricate wide range of inconel fasteners which are well known for: Fatigue strength Durability High tensile strength Dimensional accuracy Corrosion resistance Owing to these features these are extensively used in different industries in applications including: Heaters Heat exchangers Chemical process equipment Heat treat furnace parts Fixtures and Gas turbine parts Types Inconel 625 Inconel 625 is a material with excellent resistance to pitting, crevice and corrosion cracking. Inconel 625 is highly resistant in a wide range of organic and mineral acids. Good high temperature strength. Inconel 825 Incoloy 825 is a nickel-iron-chromium alloy with additions of molybdenum and copper. This nickel steel alloy's chemical composition is designed to provide exceptional resistance to many corrosive environments. These fasteners are available with us in various specifications including M12 TO M150 & 1/2" TO 6" length up to 1000 mm, moreover.
All thread is used for general purpose fastening for anything from an anchor bolt to a through bolt. A variety of grades and materials are available including stainless steel. For high strength fasteners, one cannot simply substitute all thread rod for a headed bolt without a significant loss in strength. To learn why you may assume a tremendous amount of liability by making such a substitution Specification & Grades of mfg rods are as following table.
We offer PTFE and XYLAN coated fasteners which are high on demand list in the market that contain PTFE or other types of lubricants. The coating of xylan provides effectve solution to the problems in engineering construction regarding wrong surface properties arises. Moreover, the xylan is used as a coating material on alloy steel fasteners, aluminum and copper fasteners owing to various features including Nonstick Low coefficient of friction Heat resistance Unique electrical properties Polyurethane Cryogenic stability
We offer a comprehensive range of high tensile fasteners in order to meet various industrial requirements. This range of products include Nuts Bolts Washers Threaded bars and many more These high tensile fasteners are widely used in various industrial applications. These fasteners are available in various sizes, models, designs and finishes that sufficiently meet the client's requirements Type: bolts, nuts, studs, washers, u bolts, j bolts, anchor rods, pins Size range: m12 to m150 .& 1/2" to 6" length upto 1000 mm Specifications: IS (GR.8.8, 10.9, 12.9,) BS (GR. R,S,T), ASTM A193 (GR.B7,B7M), ASTM A320 L7 Types ASTM A193 Gr.B7 A193 Grade B7 Class Bolts are manufactured from AISI 4140/4142 low Carbon Alloy Steel Grades followed by quencing & tempering. Chromium Molybendum steel, normally AISI 4140, heat treated to 28-32Rockwell Hardness, 125,000 PSI tensile strength, 105, 000 PSI yield. It will hold it's strength to 1000 degrees F. ASTM A194 Gr.2H A194 2H Heavy Hex Nuts are manufactured from 1045 steel to meet or exceed ASTM A194 Grade 2H. Hot-Dip Galvanized material will meet or exceed ASTM A153 and/or ASTM F2329. Galvanized nuts are over tapped per ASTM A563 ASTM A193 Gr.B7M B7M bolts for High Temperature and/or High Pressure service are modified in our tempering furnace to meet the ASTM A193 /A193M â?? B7M standard for bolting covering both metric and inch bolting products. In accord with the A193 standard the final modification is the tempering at 1150° F minimum performed after all machining, roll threading and any type of cutting. ASTM A194 Gr.2HM These ASTM A194 Grade 2HM Heavy Hex Nuts are produced from Medium Carbon Alloy Steel, Quenched and Tempered. IS 1367 PART 3 Cl.8.8 Low carbon steel with additives (e.g. boron or Mn or Cr), quenched and tempered or Medium carbon steel, quenched and tempered IS 1367 PART 3 Cl.10.9 Low carbon steel with additives (e.g. boron or Mn or Cr), quenched and tempered or Medium carbon steel, quenched and tempered or Medium carbon steel with additives (e.g. boron or Mn or Cr), quenched and tempered
We offer a wide assortment of foundation bolts that are extensively used in various industrial applications. We fabricate these bolts from high grade steel and its alloys such as IS2062 Grade-A, En-8, En-19 material as per IS-1367 Class 8.8 / Class 10.9 or as per the requirement of the client. These bolts have various striking features such as high tensile strength, long work life and many more that make these viable in industrial usage. These foundation bolts are available in various specifications including: Specifications: IS, BS, ASTM A193, ASTM A320 - Manufactured as per IS-5624, DIN 267, and DIN 529 with 2 nuts & washers type A, B, C & J type / L type foundation bolts with class 8 nut, 1 washer and 1 lock nut. - Plate type foundation bolts with 1 nut & 1 washer - Long length (up to 6000 mm) rock bolts in torr-steel with 1 nut & 1 washer - Rail track foundation bolts with 1 nut, 1 washer, 1 spring washer HDG Crash barrier plates & foundation bolt assembley for highways. Other foundation bolts as per specific requirement & drawing Available standards 6 Under this category of products following are available with us Bolts Nuts Studs Washers U bolts J bolts Anchor rods Pins
Stainless Steel Fabricated Items We offer a wide assortment of stainless steel fabricated items such as: Screws Nuts Washers etc. These stainless steel fabricated items are quite useful engineering components. These are manufactured from highly qualitative raw material that are procured from reliable vendors. These items are highly corrosion resistance, moreover we offer customization of these products as per the client's specifications. Fabricated from high grade stainless steel and its alloys, we offer a wide assortment of fasteners that are significantly used in various industries. These fasteners are available with us in different types including Bolts Nuts Studs Washers U bolts J bolts Anchor rods Pins These are available in different Sizes: ranging from M12 to M150 & 1/2" to 6" Length: up to 1000 mm Specifications: IS, BS, ASTM A193, ASTM A320.
Technical Metal Corporation is one of Indiaâ??s leading manufacturers of high quality J Bolt Manufacturers,Anchor Bolts,Stainless Steel J Bolts,J Roofing Bolts,J Type Hook, J toggle bolt , Brass J bolt, SS J Bolt.J bolt are available in various grades and various sizes and very accurate dimension.We offered affordable prices of these products,Ask for free sample. -
Technical metal corporation supply a wide variety of u bolt manufacturer, square bend u bolt, din 3570 u bolts, stainless steel u bolts, anchor u bolts.We provide best quality products and give a best affordable prices of these products, ask for free samples. -
Technical metal corporation is india's leading manufacturers , suppliers and exporters of carriage bolt manufacturers, din 603 carriage bolts, stainless steel carriage bolts, flat head carriage bolt, ss carriage bolts, round head square neck carriage bolt, decorative carriage bolts. We provide best quality products and give a affordable prices. The main reason being we have an excellent warehousing and storage facilities for both finished and semi finished goods, ask for free sample. -
