物理性能
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:≤187hb;≤90hrb;≤200hv
密度(20℃,kg/dm2):7.93
熔点(℃):1398~1454
比热容(0~100℃,kj·kg-1k-1):0.50
热导率(w·m-1·k-1):(100℃)16.3,(500℃)21.5
线胀系数(10-6·k-1):(0~100℃)17.2,(0~500℃)18.4
电阻率(20℃,10-6ω·m):0.73
纵向弹性模量(20℃,kn/mm2):193
1、astma276(standard specification for stainless steel bars棒材 andshapes型材)
304 | c | mn | p | s | si | cr | ni |
要求,% | 0.08 | 2.00 | 0.045 | 0.030 | 1.00 | 18.0–20.0 | 8.0-11.0 |
2、astma240(chromium and chromium-nickel stainless steel plate板材,sheet片材,and strip带材 for pressure essels and for generalapplications)
304 | c | mn | p | s | si | cr | ni | n |
要求,% | 0.07 | 2.00 | 0.045 | 0.030 | 0.75 | 17.5–19.5 | 8.0–10.5 | 0.10 |
3、jisg4305(cold-rolled 冷轧stainless steel plate板材, sheet片材 andstrip带材)
sus304 | c | mn | p | s | si | cr | ni |
要求,% | 0.08 | 2.00 | 0.045 | 0.030 | 1.00 | 18.0–20.0 | 8.0-10.5 |
4、jisg4303 (stainless steel bars不锈钢棒)
sus304 | c | mn | p | s | si | cr | ni |
要求,% | 0.08 | 2.00 | 0.045 | 0.030 | 1.00 | 18.0–20.0 | 8.0-10.5 |