AISI304
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螺丝知识
不锈钢紧固件中304和1Cr18Ni9Ti材料的区别是什么?
不锈钢紧固件中304与1Cr18Ni9Ti的材料区别体现在三个方面: 304与1Cr18Ni9Ti标准号的出处有区别,一般前者是日系(如SUSU304)或美系(AISI304)的简称,目前国内钢厂也普遍采用这种叫法,而后者是国标标准的叫法。 两者的化学成份略有不同,304即06Cr19Ni10 ,与1Cr18Ni9Ti化学成份区别如下: 304的耐腐蚀性要强于1Cr18Ni9Ti,且304韧性好,常被选为低温用钢,适宜冷加工;而1Cr18Ni9Ti的热塑性较好,高温加工效果良好,适宜车削。
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