对于304不锈钢管的产品标准和测试是怎样的

　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

0.075

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