滁州8Cr20Si2Ni力学性能
8Cr20Si2Ni
『产品品种』:8Cr20Si2Ni圆棒、钢板、钢管、六角棒、线材、扁钢、带材、焊接材料等。
8Cr20Si2Ni双相不锈钢→→→美国棒材—|8Cr20Si2Ni圆棒，
8Cr20Si2Ni耐热不锈钢→→→日本卷材—|8Cr20Si2Ni冷轧板，
8Cr20Si2Ni奥氏体不锈钢→→→浦项厚板—|8Cr20Si2Ni热轧板，
8Cr20Si2Ni尿素级不锈钢→→→宝钢圆钢—|8Cr20Si2Ni冷拉棒，
8Cr20Si2Ni马氏体不锈钢→→→太钢锻件—|8Cr20Si2Ni中厚板，
8Cr20Si2Ni半马氏体不锈钢→→→大冶钢管—|8Cr20Si2Ni无缝管，
8Cr20Si2Ni铁素体型不锈钢→→→宝新带材—|8Cr20Si2Ni精密带，
8Cr20Si2Ni耐腐蚀性不锈钢→→→上钢五厂无缝管—|8Cr20Si2Ni冷拉管，
8Cr20Si2Ni沉淀硬化型不锈钢→→→兴澄特钢毛细管—|8Cr20Si2Ni精密管，
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8Cr20Si2Ni马氏体型不锈钢的牌号及化学成分:
化学成分：
碳 C ：0.75～0.85
硅 Si：1.75～2.25
锰 Mn：0.20～0.60
硫 S ：≤0.030
磷 P ：≤0.030
铬 Cr：19.00～20.50
镍 Ni：1.15～1.65
力学性能：抗拉强度σb (MPa)：淬火回火,≥885
条件屈服强度 σ0.2 (MPa)：淬火回火,≥685
伸长率 δ5 (%)：淬火回火,≥10
断面收缩率 ψ (%)：淬火回火,≥15
冲击功 Akv (J)：淬火回火,≥8
硬度 ：退火,≤321HB;淬火回火,≥262HB
热处理工艺：退火,800～900℃缓冷或约720℃空冷;2)淬火,1030～1080℃油冷;3)回火,100～800℃快冷。金相组织：组织特征为马氏体型。
交货状态：一般以热处理规范状态交货，其热处理种类在合同中注明；未注明者，按不热处理状态交货。
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隆进特殊钢网络8Cr20Si2Ni||8Cr20Si2Ni不锈钢圆钢，
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隆进特殊钢网络8Cr20Si2Ni||8Cr20Si2Ni不锈钢热轧棒。 滁州8Cr20Si2Ni力学性能
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