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Cold Rolled Square Erw Hollow Steel Pipe & Tubes Welded Black Waterproof
Packing: in bundles of max. 3,000kg with several steel strips, Two tags on each bundle, Wrapped in waterproof paper
Test: Chemical Component Analysis, Mechanical Properties (Ultimate tensile strength, Yield strength, Elongation), Technical Properties (Flattening Test, Bending Test, Blow Test, Impact Test), Exterior Size Inspection, Hydrostatic Test, X-ray Test.
Third party inspection: SGS , BV
1) Thickness:0.7-6.0mm
2) Size:20x10-200x400mm
3) Length:3-12m
4) Material:Q195,Q235,Q345
5) Hot rolled or Cold rolled
Chemical Composition
Grade | composition ,100% | ||||
max | |||||
C | Mn | Si | S | P | |
Q195 | 0.06~0.12 | 0.25~0.50 | 0.3 | 0.05 | 0.045 |
Q235 | 0.14-0.22 | 0.30-0.7 | 0.3 | 0.05 | 0.045 |
Standard Size Table
Size | Wall thickness | Size | Wall thickness | Size | Wall thickness | Size | Wall thickness | Size | Wall thickness |
mm | mm | mm | mm | mm | Mm | mm | mm | mm | mm |
20x10 20x14 20x15 26x13 30x10 30x15 30x20 40x10 40x15 40x20 40x25 40x30 50x11 50x15 50x20 50x25 50x30 50x40 60x15 60x20 60x25 60x30 60x40 60x50 70x20 70x25 | 0.7-2.0 0.7-2.0 0.7-2.0 0.7-2.0 0.7-2.0 0.7-2.0 0.8-2.0 0.8-2.0 1.0-2.0 1.0-2.5 1.0-2.5 1.0-2.5 1.0-2.0 1.0-3.0 1.0-3.0 1.0-3.0 1.0-3.0 1.0-3.0 1.0-3.0 1.0-3.0 1.0-4.0 1.0-4.0 1.2-6.0 1.2-6.0 1.0-6.0 1.2-6.0 | 70x25 70x30 70x40 70x50 70x60 80x20 80x25 80x30 80x40 80x50 80x60 80x70 90x25 90x30 90x40 90x50 90x60 90x70 90x80 100x25 100x30 100x40 100x50 100x60 100x70 100x80 | 1.2-6.0 1.2-6.0 1.2-6.0 2.0-6.0 2.0-6.0 1.2-4.0 1.2-6.0 1.2-6.0 1.2-6.0 2.0-6.0 2.0-6.0 2.0-6.0 1.2-6.0 1.2-6.0 2.0-6.0 2.0-6.0 2.0-6.0 2.0-6.0 2.0-6.0 2.0-6.0 2.0-6.0 2.0-6.0 2.0-6.0 2.0-6.0 2.0-6.0 2.0-6.0 | 100x90 110x25 110x30 110x40 110x50 110x60 110x70 110x80 110x90 110x100 110x140 120x25 120x30 120x40 120x50 120x60 120x70 120x80 120x90 120x100 120x110 120x130 120x140 120x200 130x30 130x40 | 2.0-6.0 2.0-6.0 2.0-6.0 2.0-6.0 2.0-6.0 2.0-6.0 2.0-6.0 2.0-6.0 2.0-6.0 2.0-6.0 4.0-6.0 2.0-6.0 2.0-6.0 2.0-6.0 2.0-6.0 2.0-6.0 2.0-6.0 2.0-6.0 2.0-6.0 2.0-6.0 2.0-6.0 4.0-6.0 4.0-6.0 4.0-6.0 2.0-6.0 2.0-6.0 | 130x50 130x60 130x70 130x80 130x90 130x100 130x110 130x120 140x30 140x40 140x50 140x60 140x70 140x80 140x90 140x100 140x110 140x120 150x30 150x40 150x50 150x60 150x70 150x80 150x90 150x100 | 2.0-6.0 2.0-6.0 2.0-6.0 2.0-6.0 2.0-6.0 2.0-6.0 2.0-6.0 2.0-6.0 2.0-6.0 2.0-6.0 2.0-6.0 2.0-6.0 2.0-6.0 2.0-6.0 2.0-6.0 2.0-6.0 2.0-6.0 2.0-6.0 2.0-6.0 2.0-6.0 2.0-6.0 2.0-6.0 2.0-6.0 2.0-6.0 2.0-6.0 2.0-6.0 | 150x110 150x250 150x300 160x40 160x50 160x60 160x70 160x80 160x90 160x100 180x40 180x50 180x60 180x70 180x80 190x40 190x50 190x60 190x70 200x40 200x50 200x60 200x100 200x300 200x400 | 2.0-6.0 3.0-12.0 3.0-12.0 2.0-6.0 2.0-6.0 2.0-6.0 2.0-6.0 2.0-6.0 2.0-6.0 2.0-6.0 2.0-6.0 2.0-6.0 2.0-6.0 2.0-6.0 2.0-6.0 2.0-6.0 2.0-6.0 2.0-6.0 2.0-6.0 2.0-6.0 2.0-6.0 2.0-6.0 2.5-6.0 3.0-13.0 3.0-13.0 |