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、astm
a276(standard specification for stainless steel bars棒材 and
shapes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、astm
a240(chromium and chromium-nickel stainless steel plate板材,sheet片材,
and strip带材 for pressure essels and for general
applications)
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、jis
g4305(cold-rolled 冷轧stainless steel plate板材, sheet片材 and
strip带材)
sus
304
|
c
|
mn
|
p
|
s
|
si
|
cr
|
ni
|
要求,%
|
0.08
|
2.00
|
0.045
|
0.030
|
1.00
|
18.0–20.0
|
8.0-10.5
|
4、jis
g4303 (stainless steel bars不锈钢棒)
sus
304
|
c
|
mn
|
p
|
s
|
si
|
cr
|
ni
|
要求,%
|
0.08
|
2.00
|
0.045
|
0.030
|
1.00
|
18.0–20.0
|
8.0-10.5
|