China Square/Rectangular Tube, Find details about China Ms Square Steel Pipe, Hollow Section Steel Pipe from Square/Rectangular Tube
Low and middle pressure fluid pipeline, boiler, petroleum and natural gas industry,
drilling, chemical industry, electric industry, shipbuilding, fertilizer equipment and pipeline, structure,
petrochemical, pharmaceutical industry.
Packing: 1) only in bundles by steel scrips 2) in bundles and in plastic wrap 3) in bulk
4) conform to client' s requirements
Loading port: Tianjin,China.
Shipment:usual length ≤5.8m by 20'GP,6m-12m by 40'GP(some sizes with 6m L can be into 20'GP).
Quality Inspection
we have our own laboratory, we can do these testings,Tensile test, Yield Test, Flattening test,
Bending test, chemical composition and elongation, zinc coating thickness .
Chemical Composition & Mechanical Properties :
| Grade | Chemical Composition | Mechanical Properties | ||||||
| C | Mn | Si | S | P | Yield | Tensile | Elongati | |
| Strength Mpa | Strenth Mpa | -on % | ||||||
| Q195 | 0.06-0.12 | 0.25-0.50 | ≤0.30 | ≤0.045 | ≤0.05 | ≥195 | 315-430 | ≥33 |
| Q215 | 0.09-0.15 | 0.25-0.55 | ≤0.30 | ≤0.05 | ≤0.045 | ≥217 | 335-450 | ≥27 |
| Q235 | 0.12-0.20 | 0.30-0.67 | ≤0.30 | ≤0.045 | ≤0.04 | ≥235 | 375-500 | ≥26 |
| Q345 | ≤0.20 | 1.00-1.60 | ≤0.55 | ≤0.04 | ≤0.04 | ≥345 | 470-630 | ≥22 |