Square Seamless Carbon and Alloy Steel tubes and pipes
Product Description
Detailed Product Description
Cold Drawn Square Seamless Steel Tubes and Pipes
Technique: cold drawn seamless
Specs: OD4-120mm WT 2-12mm or custom size
| Standards |
Steel Grade |
Chemical composition(%) |
Mechanical properties (heat treatment status) |
| C |
Mn |
Si |
S |
P |
Cr |
Ni |
Cu |
Tensile strength |
Yield strength |
Elongation(%) |
| GB3094 |
10 |
0.07-0.13 |
0.35-0.65 |
0.17-0.37 |
≤ 0.035 |
≤ 0.035 |
≤ 0.15 |
≤ 0.30 |
≤ 0.25 |
≥ 335 |
≥ 205 |
≥ 24 |
| 20 |
0.17-0.23 |
0.35-0.65 |
0.17-0.37 |
≤ 0.035 |
≤ 0.035 |
≤ 0.25 |
≤ 0.30 |
≤ 0.25 |
≥ 390 |
≥ 245 |
≥ 20 |
| 35 |
0.32-0.39 |
0.50-0.80 |
0.17-0.37 |
≤ 0.035 |
≤ 0.035 |
≤ 0.25 |
≤ 0.30 |
≤ 0.25 |
≥ 510 |
≥ 305 |
≥ 17 |
| 45 |
0.42-0.50 |
0.50-0.80 |
0.17-0.37 |
≤ 0.035 |
≤ 0.035 |
≤ 0.25 |
≤ 0.30 |
≤ 0.25 |
≥ 590 |
≥ 335 |
≥ 14 |
| Q345(A-E) |
≤ 0.20 |
1.00-1.60 |
≤ 0.55 |
≤ 0.035 |
≤ 0.035 |
-- |
-- |
-- |
≥ 510 |
≥ 345 |
≥ 21 |
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