Shanghai Jieteng Precision Mold Factory
Shanghai Jingteng Metal Group Co., Ltd.
SUP11A 52MnCrB3 Spring Steel
■Chemical Composition(%) |
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C |
Mn |
Si |
P | S | Cr | B |
0.56-0.64 | 0.15-0.35 |
0.7-1.0 |
Max 0.03 | Max 0.03 | 0.7-1.0 | Min 0.0005 |
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Old factory site: No.228 Sifeng Road, Songjiang district. Shanghai