| After-sales Service: | Yes |
|---|---|
| Warranty: | 3 Years |
| Type: | Welded |
| Technique: | ERW |
| Material: | Carbon Steel |
| Surface Treatment: | Black |
| Samples: |
|---|
| Customization: |
|---|
Suppliers with verified business licenses
Audited Supplier 
| Black Square Steel Pipe for construction | |
| Outside Size | 20-300mm |
| Item type | Black pipe |
| Shape | Square pipe |
Material |
Q235, Q195, Q345 SS400, S235JR A36 |
Technique |
Hot rolled |
Application |
Struction |
Surface treatment |
Black |
| Grade | Carbon steel |
| MOQ | 1ton |
| Packing Details | Big quantity: in bulk |
| Small order: hold in Containers | |
| 20ft container can hold 25tons, 40ft container hold 25 tons | |
| Delivery | about 7days after received the deposit or L/C |
| Square pipe: | ||||
| Pipe Type | Specification/mm | Thickness/mm | Specification/mm | Thickness/mm |
| 10*20 | 0.5-2.0 | 76*38 | 0.8-3.0 | |
| 10*30 | 0.5-2.0 | 45*75 | 0.8-3.0 | |
| Rectangular Pipe | 20*30 | 0.5-3.0 | 100*50 | 1.0-5.0 |
| 40*20 | 0.5-3.0 | 100*60 | 1.5-5.0 | |
| 50*20 | 0.6-2.0 | 50*25 | 0.6-2.0 | |
| 75*25 | 0.7-2.0 | 70*20 | 0.7-2.0 | |
| 40*30 | 1.2-3.0 | 100*80 | 1.5-5.0 | |
| 50*25 | 1.5-3.0 | 120*50 | 2.0-5.0 | |
| 50*30 | 0.7-4.0 | 120*60 | 2.0-5.0 | |
| 60*30 | 0.7-4.0 | 120*80 | 2.0-5.0 | |
| 70*30 | 0.7-2.5 | |||
| 60*40 | 0.7-4.0 | 160*80 | 2.75-5.0 | |
| 70*50 | 1.5-4.0 | 100*150 | 2.75-5.0 | |
| 80*40 | 0.9-4.0 | 100*200 | 2.75-5.0 | |
| 80*60 | 1.7-5.0 | 200*300 | 2.75-14 | |
| 90*50 | 1.7-5.0 | 200*400 | 2.75-14 | |
| 90*60 | 1.5-5.0 | 300*400 | 2.75-14 | |
| 100*40 | 1.5-5.0 | 300*500 | 2.75-14 | |
| 15*15 | 0.5-2.0 | 19*19 | 0.5-2.0 | |
| Square Pipe | 20*20 | 0.5-2.0 | 100*100 | 2.0-5.0 |
| 24*24 | 0.5-2.0 | 125*125 | 3.0-5.75 | |
| 25*25 | 1.2-3.0 | 110*110 | 2.0-5.0 | |
| 30*30 | 1.2-3.0 | 120*120 | 2.0-5.0 | |
| 40*40 | 0.6-4.0 | 130*130 | 2.0-5.0 | |
| 50*50 | 0.7-4.0 | 140*140 | 2.0-5.0 | |
| 60*60 | 1.0-4.0 | 150*150 | 2.75-5.0 | |
| 70*70 | 1.7-5.0 | 200*200 | 2.75-14 | |
| 75*75 | 1.7-5.0 | 250*250 | 2.75-14 | |
| 80*80 | 1.7-5.0 | 300*300 | 2.75-14 | |
| 90*90 | 2.0-5.0 | 400*400 | 2.75-14 | |
| Round Pipe | 17-273(3/8" -10" ) | 0.8-12" | ||
Suppliers with verified business licenses
Audited Supplier 
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