GB 20Cr steel plate can be used in quenching and tempering conditions. GB 20Cr steel plate is used to manufacture large and medium-sized work under impact load. GB 20Cr steel plate can also be used as low carbon martensitic steel for quenching, further improving steel yield strength and resistance. The tensile strength increases (about 1.5 to 1.7 times). GB 20Cr steel plate is typically used in valve bodies, pumps and fittings, shafts, high load wheels, bolts, studs, gears, etc.
The GB 20Cr steel plate chemical composition
|
Grade |
C |
Si |
Mn |
P |
S |
Cr |
|
20Cr |
0.18-0.24 |
0.17-0.37 |
0.5-0.8 |
≤0.030 |
≤0.030 |
0.70-1.10 |
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