供应太钢3Cr13不锈钢3Cr13不锈钢板3Cr13中厚板
3Cr13不锈钢
标准:GB/T1220-1992
比2Cr13淬火后的硬度高,作刃具、喷嘴、阀座、阀门等。
3Cr13密度为7.75g/cm3
化学成份:
碳C:0.26~0.35
硅Si:≤1.00
锰Mn:≤1.00
硫S:≤0.030
磷P:≤0.035
铬Cr:12.00~14.00
镍Ni:允许含有≤0.60
力学性能:
抗拉强度σb(MPa):淬火回火,≥735
条件屈服强度σ0.2(MPa):淬火回火,≥540
伸长率δ5(%):淬火回火,≥12
断面收缩率ψ(%):淬火回火,≥40
冲击功Akv(J):淬火回火,≥24
硬度:退火,≤235HB;淬火回火,≥217HB
热处理规范及金相组织:
热处理规范:
1)退火,800~900℃缓冷或约750℃快冷;
2)淬火,920~980℃油冷;
3)回火,600~750℃快冷。
金相组织:组织特征为马氏体型。
交货状态:一般以热处理状态交货
现货规格为5.5~20,21,22,23,24,25,26,27,28,29,30,32,35,36,38,
40,42,45,48,50,52,55,58,60,65,70,75,80,85,90,95,100,105,
110,115,120,130,140,150,160,170,180,190,200,210,220,230,240,250,260
270,280,290,300,310,320,330,340,350,360,370,380,390,400,
410,420,430,440,450,460,470,480,490,500,510,520,530,540,550,560,570,
580,590,600,610,620,630,640,650,660,670,680,690,700,710,720,730,740,
750,760,770,780,790,800,810,820,830,840,850,860,870,880,890,900,
910,920,930,940,950,960,970,980,990,1000,1050,1100,1150,1200,1250,1300
1350,1400,1450,1500,1550,1600
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