| 摘要 |
PROBLEM TO BE SOLVED: To provide an environment-friendly low-cost manganese brass alloy which has excellent stress corrosion resistance, satisfactory dezincification corrosion resistance and mechanical property, and a manufacturing method thereof. SOLUTION: The invention provides an environment-friendly manganese brass alloy comprising 55 to 65 wt.% of Cu, 1.0 to 6.5 wt.% of Mn, 0.2 to 3.0 wt.% of Al, 0 to 3.0 wt.% of Fe, 0.3 to 2.0 wt.% of Sn, 0.01 to 0.3 wt.% of Mg, 0 to 0.3 wt.% of Bi and/or 0 to 0.2 wt.% of Pb, and the balance of Zn and other inevitable impurities. The alloy has favorable mechanical property, casting property, cutting property and corrosion resistance, particularly stress corrosion resistance, has the advantages of low manufacturing cost, simple production technology and the like, is suitable for producing components by forging, casting, machining and other manufacturing methods. COPYRIGHT: (C)2011,JPO&INPIT |
