不论不锈钢无缝管904L仍是耐热管，奥氏体型的管的综合机能最好，既有充足的强度，又有极好的塑性同时硬度也不高，这也是它们被遍及接纳的启事之一。奥氏体型不锈钢同绝大大都的别的金属材料近似，其抗拉强度、服从强度和硬度，跟着温度的下降而前进;塑性则跟着温度下降而减小。其抗拉强度在温度15' '80° C规模内增加是较为均匀的。更首要的是:跟着温度的下降，  其打击韧度削减缓慢，并不存在脆性改变温度。以是不锈钢在低温时能对峙充足的塑性和韧性。,  铁素体的耐皱机能用800#研磨以后，在轧制标的目的施加25%的延长率。

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