HMn57-3-1-KunShan ShanChuan Mould Steel Co.,Ltd

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Third-and domestic and foreign steel mills to establish long-term friendly cooperative partnership: Japan's Hitachi Metals' Hitachi H1TACH1 special steel, Daido Steel Great DA1DO Special Steel, Japan SUS series stainless steel, Sweden UDDEHOLM one-hundred ASSAB tool steel, the German Sa Site special steel, Austria Bluff BOHLER tool steel, the United States, Fen cola FKL special steel and ALCOA" Aluminum, the Japanese high-cycle KOSHUHI special Steel, the German Sa Site special steel, special steel Austria Bluff and other foreign tool steel. Baoshan Iron and Steel Co., Ltd. and China simultaneously, Fushun Fushun Special Steel Co., Ltd., Changcheng Special Steel Co., Ltd. Wuyang Iron and Steel in the long-term cooperation.

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HMn57-3-1

HMn57-3-1

　　标准： GB/T 13808-1992

●特性及适用范围：

　　HMn57-3-1锰黄铜强度、硬度高，塑性低，只能热态下进行压力加工;在大气、海水和过热蒸气中的耐蚀性比一般黄铜好,但有腐蚀破裂倾向。HMn57-3-1锰黄铜用于耐蚀的结构零件。

●化学成份：

　　铜 Cu ：55.0～58.5

　　锌 Zn：余量

　　铅 Pb：≤0.2

　　磷 P：≤0.01

　　铝 Al：0.5～1.5

　　铁 Fe：≤1.0

　　锰 Mn：2.5～3.5

　　锑 Sb ：≤0.005

　　铋 Bi：≤0.002

　　注：≤1.3(杂质)

●力学性能：

　　抗拉强度 σb (MPa)：≥490

　　伸长率 δ10 (％)：≥15

　　伸长率 δ5 (％)：≥16

　　注：棒材的纵向室温拉伸力学性能

　　试样尺寸：直径10～70