Shanghai Jieteng Precision Mold Factory
Shanghai Jingteng Metal Group Co., Ltd.
20MnCrB5 SAE 51B20 AISI 51B20 Alloy Steel
■Chemical Composition(%) |
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C | Si | Mn | P |
S |
Ni |
Cr |
Mo |
Cu |
0.18-0.23 |
0.15-0.35 |
0.60-0.85 | Max 0.025 | Max 0.025 |
- |
0.90-1.20 |
- |
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| Email: sales@sh-jieteng.com |
Old factory site: No.228 Sifeng Road, Songjiang district. Shanghai