China Standard Export Packing Q345b Galvanized Square Steel Pipe Tube, Find details about China Galvanized Square Tube, Galvanized Square Steel Tube from Standard Export Packing Q345b Galvanized Square Steel Pipe Tube
Standard | ASTMA53,BS1387-1985,GB/T3091-2001,EN39,BS1139 |
Materials | Q195,Q215,Q235,Q345 |
Wall Thickness | 0.3mm-40mm |
Height x Width | H10mm xW10mm to H600mm x W600mm |
Length | 6m-12m ,by customer's requiremnts |
Ends | Plain Ends |
Packing | 1) Big Size:in bulk |
2)Small Size:packed by steel strips | |
3)woven cloth with 7 slats | |
4)according to the requirements of customers | |
Usage | It is widely used in the construction,pipe of industrial, plastic-steel doors and windows,fence equipment, telecommunication tubes as well as greenhouse tubes for different planting and breeding business. |
Material |
Chemical Compositions% |
Mechanical Properties | ||||||
|
C% |
Mn% |
S% |
P% |
Si% | YieldStrength (Mpa) | Tensile Strength (Mpa) | Elongation (%) |
Q195 | 0.06-0.12 | 0.25-0.50 | <0.050 | <0.045 | <0.30 | >195 | 315-430 | 32-33 |
Q215 | 0.09-0.15 | 0.25-0.55 | <0.05 | <0.045 | <0.30 | >215 | 335-450 | 26-31 |
Q235 | 0.12-0.20 | 0.30-0.70 | <0.045 | <0.045 | <0.30 | >235 | 375-500 | 24-26 |
Q345 | <0.20 | 1.0-1.6 | <0.040 | <0.040 | <0.55 | >345 | 470-630 | 21-22 |