我公司长期合作供应Q235、S275JR、SS400、Q345、S355JR、SCR440、SCR420、SCM440/435/415/420、S45C、S20C。
目前我我公司年销售在一万2千吨左右，主要销往韩国、越南、泰国、马来西亚等东南亚和其他欧美国家。目前尺寸：
厚度：2-50mm 宽度：25-600mm
主要化学成分、相似牌号：
中国GB
|
ASTM
|
JIS
|
DIN
|
C
|
Si
|
Mn
|
Cr
|
P
|
S
|
|
Q195
|
A285
|
SS330
|
S185
|
≤0.12
|
≤0.30
|
≤0.50
|
|
≤0.035
|
≤0.040
|
|
Q215
|
A283
|
SPHC
|
St34-2
|
≤0.15
|
≤0.35
|
≤1.20
|
|
≤0.045
|
≤0.045
|
|
Q235
|
A570
|
SS400
|
S235JrG1
|
≤0.22
|
≤0.35
|
≤1.4
|
|
≤0.045
|
≤0.045
|
|
Q345
|
Gr 50
|
SPFC590
|
|
≤0.20
|
≤0.55
|
1.00~1.60
|
|
≤0.040
|
≤0.040
|
|
20#
|
1020
|
S20C
|
CK22
|
0.17-0.24
|
0.17-0.37
|
0.35-0.65
|
≤0.035
|
≤0.035
|
≤0.035
|
35#
|
1035
|
S35C
|
CK35
|
0.32-0.40
|
0.17-0.37
|
0.50-0.80
|
≤0.035
|
≤0.035
|
≤0.035
|
45#
|
1045
|
S45C
|
CK45
|
0.42-0.50
|
0.17-0.37
|
0.50-0.80
|
≤0.035
|
≤0.035
|
≤0.035
|
20Mn
|
1022
|
|
20Mn5
|
0.17-0.24
|
0.17-0.37
|
0.70-1.00
|
≤0.035
|
≤0.035
|
≤0.035
|
20Cr
|
5120
|
SCr420
|
20Cr4
|
0.18-0.24
|
0.17-0.37
|
0.50-0.80
|
≤0.035
|
≤0.035
|
≤0.035
|
40Cr
|
5140
|
SCr440
|
41Cr4
|
0.37-0.44
|
0.17-0.37
|
0.50-0.80
|
≤0.035
|
≤0.035
|
≤0.035
|
20CrMo
|
4118
|
SCM420
|
20CrMo44
|
0.17-0.24
|
0.17-0.37
|
0.40-0.70
|
≤0.035
|
≤0.035
|
≤0.035
|
35CrMo
|
4135
|
SCM435
|
34CrMo4
|
0.32-0.40
|
0.17-0.37
|
0.40-0.70
|
≤0.035
|
≤0.035
|
≤0.035
|
42CrMo
|
4140
|
SCM440
|
42CrMo4
|
0.38-0.45
|
0.17-0.37
|
0.50-0.80
|
≤0.035
|
≤0.035
|
≤0.035
|
20CrMnTi
|
|
|
|
0.17-0.23
|
0.17-0.37
|
0.80-1.10
|
≤0.035
|
≤0.035
|
≤0.035
|
Y15Pb
|
12L14
|
SUM24L
|
11SMnPb28
|
0.10~0.18
|
≤0.15
|
0.80~1.20
|
Pb:0.15~0.35
|
0.05~0.10
|
|
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