: Zhong Neng Steel Union(Qingdao)Heavy Industry Co.,Ltd

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Grade Q235 ASTM A36/1020/1035/1045/4140 etc Building Material Silver Surface

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Zhong Neng Steel Union(Qingdao)Heavy Industry Co.,Ltd

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Grade Q235 ASTM A36/1020/1035/1045/4140 etc Building Material Silver Surface

Contact Now

Grade Q235 ASTM A36/1020/1035/1045/4140 etc Building Material Silver Surface

Related Products ZHONGNENG UNION Tempering: P20 tool steels are tempered at 482-593°C (900 to 1100°F) for a Rockwell C hardness of 28 to 34. Annealing: Annealing takes place at 760-788°C (1400 to ...

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