Shanghai Jieteng Precision Mold Factory
Shanghai Jingteng Metal Group Co., Ltd.
30W4Cr2VA / A27303 Spring Steel
■Chemical Composition(%) |
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C | Si | Mn | Cr | B |
Ni |
Cu |
P | S |
0.56-0.64 | 0.17-0.37 | 0.7-1.0 |
0.7-1.0 |
0.0005-0.004 |
Max 0.35 |
Max 0.25 |
Max 0.025 | Max 0.025 |
■Characteristic |
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Tensile strength /MPa |
Yield Strength /MPa |
Elongation of cross section /% |
Reduction of cross section /% |
Hardness (HBW) |
Above 1470 |
Above 1325 |
Above 7 |
Above 40 |
Below 321 |
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| Email: sales@sh-jieteng.com |
Old factory site: No.228 Sifeng Road, Songjiang district. Shanghai