Black Square Pipe
Specifications
| Product name | Black Square Tube |
| Grade | Q195,Q235,Q275,Q345;20#,45#;S235,S355; St33,St37,St52; A500,A513,A106 |
| Technique | Hot Rolled, Cold Rolled, ERW, High-frequency welded, Extruded |
| Surface | Bared, Oil, Galvanized, Paint |
| Size | 10 * 10 - 500 * 500mm, as per customer's requirement |
| Length | 2m-5.8m, 6m, 12m ( We can adjust length according to your request) |
| Package | Export seaworthy packing or as customer's request |
| Service | punching, painting, galvanizing, cutting, welding, etc. |
| Application | Machinery manufacture, Roads and Bridges, Construction, Transportation |
| Shipment | Bulk vessel or container |
| Payment term | TT or LC at sight |
| Delivery | In 15 days after receipt of L/C or TT |
Product Process
Difference Between Black Steel Pipe And Hot-Dipped Galvanized Steel Pipe
The black square steel pipe is the base metal square pipe before galvanizing. Hot dip galvanized square steel pipe is to unpack, flatten, curl and weld hot rolled steel strip into round steel pipe, and then roll the
round steel pipe into a processed black square steel pipe. The black square steel pipe will be taken to the hot dip galvanizing plant for high temperature galvanizing at 1000 degrees, and the hot dip galvanized
square steel pipe can only be processed if its wall thickness is above 2mm.
Stable delivery time
If products is in stock , we can delivery after received deposit about 7-15days.
If you need customization service, 100tons goods need 20-25days , 100-300 tons goods need 40-50days ,exceed 300 tons goods need 60 days.
Product packaging material selection is for protect products better.
