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Cold Forging

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Materials For Cold Forging

Both ferrous and non-ferrous metals can be cold formed. The ability to forge these metals and the amount of possible deformation depends greatly on the chemical composition and annealed properties of grade. Properties such as hardness and ductility are critical properties in determining the formability of a metal. It is important to know that the mechanical properties of materials are greatly improved after cold forming. Sometimes this improvement is so great that grades which would have been considered unsuitable if machined, warm forged, or hot forged, could have suitable mechanical properties for the application after cold forming. The improvement in mechanical properties of a grade depends partly on the amount and type of deformation taking place. Portions of the forging that see little work will not see as great an improvement as the locals of greater deformation.

Grain size is also an important factor in the strength of the finished part. While coarse grained steels might be easier to extrude, parts formed of fine grained materials are usually stronger. Steelmakers are usually asked to supply material soft enough to form readily, dimensionally accurate, and as free as possible from surface defects. They are also asked to supply material that is consistent in response to forming pressures within a given lot.
Select a type of metal below to see its cold forming characteristics and typical applications.

CARBON STEEL ALLOY STEEL COPPER BRASS/BRONZE ALUMINUM

Grade
Description
Forging Characteristics
1008

Ball Joint Housings, Bushings, Ball Studs, Ordnance Items,Thrust Ring, Universal Joints, Wheel Nuts Axle shafts, Bolts, Ball Joint Studs, suspension struts, Generator shafts, engine mounts, idler arm, mining equipment, mortar shells, motor shafts, oil field equipment, propeller shafts, sockets, wrenches, truck axels, tortion bars, yolkes

Excellent
1010
Excellent
1018
Excellent
1045
Good-Fair
1050
Fair-Poor

 

 

 

 

 

 

 

 

 

 

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