Category | Steel type | Usage | |
---|---|---|---|
Carbon steel | SWCH-A, SWCH-K(F) | Bolts, Nuts, Screws | |
Boron steel | SAE10B21, SAE51B20, POSA1021B, POSA5120BH | Safety belt shafts, automotive bolts, and construction bolt | |
Chrome-molybdenum steel | SCM415(H), SCM420(H), SCM435(H), SCM440H | Various kinds of bolts, retainers, and piston pin material | |
Molybdenum steel | SAE4037 | Automotive bolts | |
Nickel-chrome-molybdenum steel | SAE8620H, SAE8740H | Oil pump gears and aircraft bolts | |
Bearing steel | SUJ2, SAE52100 | bearings |
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