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A prehardened mold steel (311-345 HB / 33-37 HRC) with improved machinability 41X40 is a chromium-manganese-molybdenum grade designed for plastic mold industry. This grade is normally delivered in ...

Tags: AISI 4140

Shanghai Shanghai Bozhong Alloy Co., Ltd was founded in 2006, with 31 million registered fund, It is the leading integrated operator of modern service industry for specialty stainless steel.

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Jiangsu New Yinye Transmission Electromechanical Co., Ltd was founded in 1993. It is a high-tech enterprise specializing in manufacturing high precision involute cylindrical gears. Our company occupies 40,000 square meters with the total investment 150 million RMB.

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