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ST52 WELDED STEEL PIPE
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| Model No.︰ | 406.4 323.9 273 |
| Brand Name︰ | CFST |
| Country of Origin︰ | China |
| Unit Price︰ | US $ 500 / ton |
| Minimum Order︰ | 1 ton |
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Chemical Composition(%):
| Grade |
C |
Si |
Mn |
P |
S |
Cr |
Ni |
Cu |
| St37.0 |
≤0.17 |
0.17-0.37 |
0.35-0.65 |
≤0.025 |
≤0.020 |
≤0.25 |
≤0.25 |
≤0.25 |
| St44.0 |
≤0.21 |
0.17-0.37 |
0.50-0.80 |
≤0.025 |
≤0.020 |
≤0.25 |
≤0.25 |
≤0.25 |
| St55 |
0.33-0.41 |
0.17-0.37 |
0.50-0.80 |
≤0.025 |
≤0.020 |
≤0.25 |
≤0.25 |
≤0.25 |
| St52.0 |
≤0.22 |
≤0.55 |
≤1.60 |
≤0.025 |
≤0.020 |
≤0.25 |
≤0.25 |
≤0.25 |
Mechanical Properties:
| Grade |
Tensile strength
(MPa) |
Yield strength (Mpa)
not less than |
Elongation (%)
not less than |
| ≤16mm |
>16mm |
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| St37.0 |
350-480 |
235 |
225 |
25 |
| St44.0 |
420-550 |
275 |
265 |
21 |
| St55 |
540-645 |
295 |
285 |
17 |
| St52.0 |
500-650 |
355 |
345 |
21 |
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Product Image
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