Shanghai Jieteng Precision Mold Factory
Shanghai Jingteng Metal Group Co., Ltd.
SAE 15B21H AISI 15B21H 20MnCrB3 Carbon Steel
■Chemical Composition(%) |
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C | Si | Mn | P |
S |
Ni |
Cr |
Mo |
Cu |
0.20-0.60 |
0.15-0.30 |
0.80-1.10 | Max 0.03 | Max 0.03 |
- |
0.10-0.20 |
- |
- |
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| Email: sales@sh-jieteng.com |
Old factory site: No.228 Sifeng Road, Songjiang district. Shanghai