双相钢【2507】耐腐蚀性钢板#耐磨钢板
双相钢【2507】耐腐蚀性钢板#耐磨钢板
2507 is a kind of ferrite austenite (two-phase) stainless steel, it has integrated many ferritic steel and austenitic steel is the most beneficial properties, since the 2507 steel chromium and molybdenum content is very high, so has excellent resistance to corrosion, crevice corrosion and uniform corrosion. Two-way microstructure ensures that the steel has the ability of high resistance to stress corrosion cracking, and the mechanical strength is high.

2507化学成分（％）
碳：(C) ≤0.03
锰：(Mn) ≤1.2
硅：(Si) ≤0.08
硫：(S) ≈0.02
磷：(P) ≤0.035
铬：(Cr) ≈24.0～26.0
镍：(Ni) ≈6.0～8.0
铜：（Cu）≤0.5
氮：(N) ≈0.24~0.32
机械性能：SAF 2507具有很高的耐压强度、冲击强度及较低的热膨胀系数和较高的导热性.这些特性适用于很多结构零件及机械部件.SAF 2507冲击强度很高,不宜长期置于高于570°F的温度环境下,这样可能会减弱其韧性.抗拉强度：σb≥730Mpa；延伸率：δ≥20%
热处理制度℃1025-1125水淬 抗拉强度σb (Mpa) ≥800 抗拉强度σs(Mpa) ≥550 伸长率/δ% ≥15 布氏硬度≤310 洛氏32

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