Seamless steel pipe
Welded steel pipe
Carbon steel pipe
Alloy pipe
galvanized steel pipe
stainless steel pipe
steel pipe schedule
pipe fittings

|
Mechanical Property |
||||||||||||
|
Standard |
Grade |
Tensile(Mpa) |
yield strength(Mpa) |
Elongation % |
||||||||
|
DIN2391-1 |
St52 |
490-630 |
≥355 |
≥29 |
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|
Grade |
Chemical Composition |
|||||||||||
|
|
C |
Si |
Mn |
P |
S |
Cr |
Ni |
Cu |
Mo |
V |
Als |
|
|
St52 |
0.16 |
0.49 |
1.42 |
0.011 |
0.012 |
0.06 |
0.08 |
0.05 |
0.03 |
0.01 |
|
|
DIN2391 Cold Drawn Seamless Steel Pipe
O.D.:16-325
W.T.:1-22
Length:Fix or Random Length
Grade and Chemical composition (%):
|
Steel grade |
% |
||||
|
C max |
Si max |
Mn |
P max |
S max |
|
|
St 35 |
0.17 |
0.35 |
≥0.40 |
0.025 |
0.025 |
|
St 45 |
0.21 |
0.35 |
≥0.40 |
0.025 |
0.025 |
|
St 52 |
0.22 |
0.55 |
≤1.60 |
0.025 |
0.025 |
|
Steel grade |
(%) |
||||||
|
Steel name |
Steel number |
C max |
Si max |
Mn |
P max |
S max |
Al min |
|
E215 |
1.0212 |
0.10 |
0.05 |
0.70 |
0.025 |
0.025 |
0.025 |
|
E235 |
1.0308 |
0.17 |
0.35 |
1.20 |
0.025 |
0.025 |
- |
|
E355 |
1.0580 |
0.22 |
0.55 |
1.60 |
0.025 |
0.025 |
- |