Qingdao Hengze Steel Co.,Ltd is a manufacturer&trading group,our main products are steel plate,steel angle,steel coil,steel pipe.....
| Product name | Mild Carbon Weld Black Steel Square/Round/Rectangular Tube/Pipe |
| Material | Q235,SS400,A36 |
| Shape | Round/Square /Rectangular |
| Outer Dia(mm) | 20*20-1000*1000mm/ 20*30-600*800mm |
| Wall Thickness(mm) | 1-40mm |
| Length | 5800 o r6000/6M or customized |
| Surface Treatment | 1)Black,Pre-galvanized 2)oiled,powder coating 3)Galvanized as your requirement PS:Pre galvanized steel pipe: 60-150g/m2;Hot dip ped galvanized steel pipe: 200-400g/m2 |
| End Finish | Plain/ beveled ends or threaded with sockets/coupling and plastic caps. |
| Packaging | Packing in bundle with steel strips; with seaworthy package at the end; could be done with your requirement. |
| Inspection | With Chemical Composition and Mechanical Properties Testing; Hydrostatic Test, Dimensional and Visual Inspection, With Nondestructive Inspection |
| Application | construction pipe, machine structure pipe, agriculture equipment pipe, water and gas pipe, Greenhouse pipe, Building material, Furniture tube, Low pressure fluid tube, etc |
| Others | 1:Special design available according to requirement 2:Pipe can be necked dowm, punching hole on pipe wall. 3:Pipe fittings, elbows are available. 4.All production process are under the ISO9001:2000 strictly |