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

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Hot Rolled Carbon Mild Steel Flat Bar Q235B St37 Ms Rectangle Flat Steel Iron

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

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Hot Rolled Carbon Mild Steel Flat Bar Q235B St37 Ms Rectangle Flat Steel Iron

Contact Now

Hot Rolled Carbon Mild Steel Flat Bar Q235B St37 Ms Rectangle Flat Steel Iron

Product Parameters 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 1450°F) and then ...

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