J17210 (GB Alloy Steel 30Cr-50Cr Normalized Strip)
Alloy SteelGB Alloy Steel 30Cr-50Cr Normalized Strip
Versatile low-alloy structural and engineering steel for demanding mechanical applications.
Chemical Composition (%)
| C | 0.32 |
|---|---|
| CR | 0.8 |
| MN | 0.5 |
Mechanical Properties
Yield:655MPa; Tensile:845MPa; Elong:11%; 55HRC
Chinese Standard
GB/T 3077
Applications
Shafts, gears, axles, bolts, connecting rods, crankshafts, forgings
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