During hot forging, the metal is shaped with the use of heat, where the workpiece, or in this case the fastener is heated to a temperature that is around 75% of its melting temperature. The Hot Forged Fasteners manufacturers in India work the fastener into the desired shape by use of a single or more external operations. Generally, the external processes used by any hot forged fasteners manufacturer in India on the workpiece or the fastener includes hammering or upsetting, pressing, etc.
As opposed to the hot forging process that uses heat to about 75% of the material’s melting point, cold forging uses room temperature. So the main difference between the hot forged vs cold forged fastener is the temperature it is forged at. While the manufacturing process that involves cold forged fasteners increases its strength through strain hardening, hot forged fasteners manufacturers use a process that keeps fasteners from undergoing strain hardening at high temperatures.
Hence, there are several benefits of using these hot forged rivets. For instance, the use of a hot forging process will deliver low hardness and high ductility, while the material gaining optimum yield strength properties. During the hot forging process, the cast, coarse grain structure of the metal will break up. And the coarse grains will be replaced by finer grains. This is possible once the size of the ingot has undergone a reduction. Usually, the fasteners are given an additional heat treatment by hot forged bolts manufacturers after it has undergone hot forging.
We produce Extra Large diameters and long lengths Hot Forged fasteners, screws, Nuts and Bolts.Our hot forged socket cap screws, eye bolts, square head Bolts, and csk countersunk nib bolts are available in exotic materials.
It is the way toward framing the state of the metal in hot condition into a foreordained shape. A metal is warmed to the appropriate temperature by fast electric enlistment before it is embedded into a metal piece. bolts are hot produced when the material is too huge in width or it isn't sufficiently pliable.
| Standard | IS, ANSI, ASTM DIN, ISO, JIS, GB, ASME, BS, UNI and all International Standards |
|---|---|
| Threads: | BSF, UNF METRIC, UNC, BSW or as required |
| Standard | ANSI – American National Standards Institute
DIN:DIN 933, DIN 931, DIN 970, DIN 934 UTS – Unified Thread Standard : UNF, NPT, NPTF, UNS, UNC, UNEF ISO – International Organization for Standardization ISO 4033, : ISO 4032, JIS standards |
| Fasteners/ Bolts Size | M10, M4, M16, M36 M2.5, M6, M30, M12, M8, M14, M2, M3, M20, M24, M5 to M160 |
| Length | 3 mm to 200 mm |
| Head drive: | Phillips, Slotted, Phillips/Slot, Six-Lobe etc |
| Test Certificate | as per EN 10204 / 3.1 Manufacturer Test Certificate |
| Finishing | Zinc white, (yellow, black, blue), black oxide,
Dacroment, Geometry, plated zinc-nickel, anodizing, nickel plated, Stainless steel: Passivated Self-Colour, Bright Zinc Plated (BZP), Hot Dip Galvanised (HDG), Sherardized, Stainless Steel, some special one like DACROMET and Mechanically Applied coating |
| raw materials of Source | JSPL, Usha Martin, Tata Steel, Mukund Steel, RINL, Dhamm Steel etc. |
| Form | Square, Hex, Threading as per Gauge, Round Etc. |
| Process of Production | M2-M24: Cold Froging, hot forging M24-M100, machining and CNC for Customized connecting element |
| Surface Coating |
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| Packing | IN BULK: pallet, canton, carton / Small Boxs / pallet or customer request |
| Forging capacity | Maximum length = 800 mm |
| Diameter | Length (mm) | |
|---|---|---|
| Cold Forged | Hot Forged | |
| M04 | 6 to 40 | —- |
| M05 | 8 to 75 | —- |
| M06 | 8 to 100 | —- |
| M08 | 10 to 100 | —- |
| M10 | 15 to 300 | 25 to 300 |
| M12 | 20 to 300 | 35 to 400 |
| M14 | 25 to 300 | 40 to 400 |
| M16 | 25 to 300 | 40 to 3000 |
| M18 | 25 to 300 | 50 to 3000 |
| M20 | 30 to 300 | 50 to 3000 |
| M22 | 30 to 300 | 60 to 3000 |
| M24 | 40 to 300 | 60 to 3000 |
| M27 | 50 to 300 | 60 to 3000 |
| M30 | 60 to 300 | 60 to 3000 |
| M33 | —- | 70 to 1500 |
| M36 | —- | 80 to 1500 |
| M39 | —- | 100 to 1500 |
| M42 | —- | 100 to 1500 |
| M45 | —- | 100 to 1500 |
| M48 | —- | 100 to 1500 |
| M52 | —- | 100 to 1500 |
| M56 | 100 to 1500 | |
| M60 | —- | 100 to 1500 |
| M64 | —- | 100 to 1500 |
| M72 | —- | 100 to 1500 |
| M80 | —- | 100 to 1500 |
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