化学成份%
|
|||||||
C
|
Si
|
Mn
|
Cr
|
Cu
|
Sb
|
P
|
S
|
≤0.12
|
0.20-0.40
|
0.36-0.65
|
0.70-1.1
|
0.25-0.45
|
≤0.1
|
≤0.005
|
≤0.035
|
交货状态
|
取样方向
|
壁厚
|
抗拉试验
|
|
|
|
|
mm
|
|
|
|
|
|
|
Mpa
|
Mpa
|
%
|
正火
|
纵向
|
≤7
|
390-550
|
≥245
|
≥25
|
钢号
|
壁厚
|
|
|
|
|
|
|
|
|
|
mm
|
≤20
|
100
|
150
|
200
|
250
|
300
|
350
|
400
|
09CrCuSb
|
≤7
|
130
|
130
|
130
|
130
|
128
|
125
|
119
|
113
|
注:中
|
|
|
|
|
|
|
|
|
|
钢种
|
ND
|
CRIR
|
1Cr18Ni9
|
Corten
|
20G
|
腐蚀速度
|
7.30
|
13.40
|
21.70
|
63.00
|
103.50
|
Tel: