: Guangzhou Changfeng Steel Co., LTD

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Pre Hardened Engineering Steel Bar 33 - 37 Hardness HRC P20+Ni / 1.2738 / 718H

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Guangzhou Changfeng Steel Co., LTD

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Pre Hardened Engineering Steel Bar 33 - 37 Hardness HRC P20+Ni / 1.2738 / 718H

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Pre Hardened Engineering Steel Bar 33 - 37 Hardness HRC P20+Ni / 1.2738 / 718H

High Quality Pre-hardened Engineering Tool Steel Bar P20 + Ni / 1.2738 / 718H P20+Ni is pre-hardened plastic mold steel. It is used for large, precisionk high polishing plastic moulds, such as car ...

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engineering special steels

air hardening tool steel

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