Structural Steel Pipe
1) We manufacture structure steel pipe
2) Usage: greatly applied in building, machinery, transportation, airline, oil
We manufacture Structural Steel Pipe
Standards: GB/T8162-1999, ISO2937, ASTM A53, ASTM A106,JIS G 3441,BS EN 10210-1
composition (%):
Standard
Steel grade
C
Si
Mn
P≤
S≤
Cu≤
Ni≤
Cr≤
GB/T 8162
10
0.07-0.14
0.17-0.37
0.35-0.65
0.035
0.035
0.25
0.25
0.15
20
0.17-0.24
0.17-0.37
0.35-0.65
0.035
0.035
0.25
0.25
0.25
35
0.32-0.39
0.17-0.37
0.50-0.80
0.035
0.035
0.25
0.25
0.25
45
0.42-0.50
0.17-0.37
0.50-0.80
0.035
0.035
0.25
0.3
0.25
16Mn
0.12-0.20
0.20-0.55
1.20-1.60
0.045
0.045
0.25
0.25
0.25
DIN 1629
St35
≤0.18
0.15-0.35
0.35-0.65
0.035
0.035
0.25
0.25
0.25
St45
≤0.25
0.15-0.35
0.50-0.80
0.035
0.035
0.25
0.25
0.25
St55
0.33-0.41
0.15-0.35
0.50-0.80
0.035
0.035
0.25
0.25
0.25
St52
≤0.20
≤0.55
≤1.50
0.035
0.035
0.25
0.25
0.25
CK45
0.42-0.50
0.17-0.37
0.50-0.80
0.035
0.035
0.25
0.25
0.25
ASTM A53
A
≤0.25
/
≤0.95
0.05
0.045
0.4
0.4
0.4
B
≤0.30
/
≤1.20,
0.05
0.045
0.4
0.4
0.4
/
ASTM A106
A
≤0.25
≥0.10
0.27-0.93
0.035
0.035
0.4
0.4
0.4
B
≤0.30
≥0.10
0.29-1.06
0.035
0.035
0.4
0.4
0.4
C
≤0.35
≥0.10
0.29-1.06
0.035
0.035
0.4
0.4
0.4