對于304不銹鋼管的產品標準和測試是怎樣的
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帶材 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
0.075
17.5–19.5
8.0–10.5
0.10
3、JIS G4305(cold-rolled 冷軋stainless steel plate板材, sheet片材 and strip帶材)
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
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