| Item | Black square hollow section pipe |
| material | Q235B/Q345b/Ss400/A36/St37 |
| certifications | ISO9001 /SGS |
| standard | ASTM BS GB API |
| size(dia) | 15*15mm-300*300mm |
| item | black rectangular section pipe |
| size | 10*20mm-200*400mm |
| technique | welded ,ERW ,cold rolled .hot rolled |
| surface | Bared, Galvanized, Oiled,Or Other Anti-corrosive Treatment. We can produce other specifications according to customers requirements. |
| packaging | 1.Big OD:in bulk 2.Small OD:packed by steel strips 3. 20"GP:5.85*2.2*2.2 40"GP:11.85*2.2*2.2Black steel pipe: oiled/painted, in bundles and tarpaulin outside According to the requirements of customers |
| inspection | With Chemical Composition and Mechanical Properties Analysis; Hydrostatic Test, Dimensional and Visual Inspection, Also With Nondestructive Inspection |
| Usage/Application | Mechanical & manufacture, Steel structure, Shipbuilding, Bridging ,Automobile chassisIndustrial water lines/plant piping, Vehicular chassis and frames, Idlers & belt conveyorsAgriculture and Irrigation,Scaffoldings, Electrical Cable conduits, Cooling towers, Antenna and Telecom Towers, Cold storages, Tabular polesFire Protection Systems, HVAC, Plumbing,Fabrication industry, |
| main market | North America South America Eastern Europe Southeast AsiaAfrica Oceania Mid East Eastern Asia Western EuropeCentral America Northern Europe Southern EuropeSouth Asia Domestic Market |
| country of origin | china |
| Productivity | 5000tons per month |
| delivery time | within 15 working days after receiving the payment or 100% Irrevocable L/C at sight |