宝钢高端产品sus310s不锈钢高铬镍材料

SUS310S不锈钢是日本SUS系列奥氏体不锈钢。抗氧化性比0Cr23Ni13好。实际上多作为耐热钢使用。310S不锈钢(2520)耐高温钢管； 310S因镍(Ni)、铬(Cr)含量高，具有良好耐氧化、耐腐蚀、耐酸碱、耐高温性能，耐高温钢管专用于制造电热炉管等场合，奥氏体型不锈钢中增加碳的含量后，由于其固溶强化作用使强度得到提高，奥氏体型不锈钢的化学成分特性是以铬、镍为基础添加钼、钨、铌和钛等元素，由于其组织为面心立方结构，因而在高温下有高的强度和蠕变强度。                                                                                                                                                                                                                                                                                                                                                                                                      化学成分 ：                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 碳C ：≤0.08   硅Si：≤1.00  锰Mn：≤2.00   硫S ：≤0.030  磷P ：≤0.035   铬Cr：24.00～26.00  镍Ni：19.00～22.00                                                             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 (%)：≥50硬度 ：≤187HB;≤90HRB