Joho Steel Co., Ltd
JOHO STEEL CO.,LTD, founded in 1988, is a steel group which has integrated steel production, processing and trading into one. We specializes in manufacturing carbon seamless steel pipes, boiler tube
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Galvanized square and rectangular hollow section steel pipe and tube
| Product Name | galvanized steel pipe |
| Specifications | Square pipe: 20*20mm~500*500mm |
| Rectangular pipe: 20*40mm~300*500mmround:19mm-610mm | |
| Thickness | 0.8~3mm |
| Standard | ASTM, BS, JIS, ASTM A513-2007, BS EN10219, JIS G34 |
| Steel material | 16Mn, Q195-Q345, 16Mn, Q195, Q215, Q235, Q345, SS400, ST32, ST52, ASTM A500, ASTM A36 and so on. |
| Zinc-coating | Pre-galvanized steel tube: 30g/m2-80g/m2 |
| Galvanized steel tube:200g/m2-400g/m2 | |
| Technique | ERW welded, hot dipped galvanized, pre-galvanized |
| Application | Construction / building materials steel pipe |
| Structure steel pipe | |
| Solar structure component steel pipe | |
| Fence post steel pipe | |
| Greenhouse frame steel pipe |
