0cr18ni9和1cr18ni9是同一种材料吗

2025-03-07 23:37:11
推荐回答(4个)
回答1:

两者的含碳量不一样,1Cr18Ni9Ti高。铬、镍的含量一样,分别是18%和9%。

这样的话,由于0Cr18Ni9含碳量低,强度较1Cr18Ni9Ti低,耐腐蚀性比1Cr18Ni9Ti好。但是由于1Cr18Ni9Ti含有抗晶界腐蚀的钛,因此可以通过热处理提高它的抗晶界腐蚀能力。

回答2:

不是同一种 前者就是304,后者是321 耐高温不锈钢。

回答3:

含碳量不一样,硬度不一样,其他基本一致

0Cr18Ni9不锈钢作为不锈钢耐热钢使用最广泛,用于食品用设备,一般化工设备,原子能用工业设备。通俗的讲0Cr18Ni9不锈钢就是304不锈钢板。0Cr18Ni9钢(AISI304)是奥氏体不锈钢,是在最初发明的18-8型奥氏体不锈钢的基础上发展演变的钢种,该钢是不锈钢的主体钢种,其产量约占不锈钢总产量曲30%以上。

化学成分
碳 C :≤0.07
硅 Si:≤1.00
锰 Mn:≤2.00
硫 S :≤0.030
磷 P :≤0.035
铬 Cr:17.00~19.00
镍 Ni:8.00~11.00

力学性能
抗拉强度 σb (MPa):≥520  条件屈服强度 σ0.2 (MPa):≥205  伸长率 δ5 (%):≥40  断面收缩率 ψ (%):≥60  硬度 :≤187HBS;≤90HRC;≤200HV[3]

金相组织
组织特征为奥氏体型。

回答4:

0Cr18Ni9和1Cr18Ni9是两种不一样的材质,具体区别如下所示:

1Cr18Ni9属于国标奥氏体不锈钢,执行标准:GB /T 20878-2007,

1Cr18Ni9具有较好耐晶间腐蚀性用于制作耐酸容器及设备衬里,抗磁仪表、医疗器械等。

1Cr18Ni9化学成分如下图:

0Cr18Ni9(S30408) 属于国标奥氏体不锈钢,执行标准:GB /T 20878-2007

0Cr18Ni9(S30408)化学成分如下图:

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