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Welded steel pipes are the most commonly used pipe materials. The welded steel pipe has low cost, high production efficiency and high strength. There are many varieties and specifications of welded steel pipes, of which Q235 is a common steel grade. Q235 is similar to A283 GR.B, 080A15, CS type B.
Welding methods for welded steel pipes are ERW, SSAW, LSAW.
Q235 Black Steel Pipes And Tubes
Production process of welded steel pipe:
Strip steel > unwinding > steel strip leveling > cutting head > compact forming > weld heat treatment > sizing straightening > sawing > nozzle smoothing > baling > galvanizing
1. Product Description
Q235 Black Steel Pipes And Tubes
| NPS | DN | OD (mm) |
| 1/2'' | 15 | 21.3 |
| 3/4'' | 20 | 26.7 |
| 1'' | 25 | 33.4 |
| 1 1/4'' | 32 | 42.2 |
| 1 1/2'' | 40 | 48.3 |
| 2'' | 50 | 60.3 |
| 2 1/2'' | 65 | 73 |
| 3'' | 80 | 88.9 |
| 3 1/2'' | 90 | 101.6 |
| 4'' | 100 | 114.3 |
| 5'' | 125 | 141.3 |
| 6'' | 150 | 168.3 |
| 8'' | 200 | 219.1 |
| 10'' | 250 | 273 |
| 12'' | 300 | 323.8 |
| 14'' | 350 | 355.6 |
2. Production Process
3. Packing and Loading
Packing: 1.Steel bars and nylon ropes
2.Waterproof plastic sheet
Loading: 1.Bulk or Bundle
2.According to requirements
Welded steel pipes are the most commonly used pipe materials. The welded steel pipe has low cost, high production efficiency and high strength. There are many varieties and specifications of welded steel pipes, of which Q235 is a common steel grade. Q235 is similar to A283 GR.B, 080A15, CS type B.
Welding methods for welded steel pipes are ERW, SSAW, LSAW.
Q235 Black Steel Pipes And Tubes
Production process of welded steel pipe:
Strip steel > unwinding > steel strip leveling > cutting head > compact forming > weld heat treatment > sizing straightening > sawing > nozzle smoothing > baling > galvanizing
1. Product Description
Q235 Black Steel Pipes And Tubes
| NPS | DN | OD (mm) |
| 1/2'' | 15 | 21.3 |
| 3/4'' | 20 | 26.7 |
| 1'' | 25 | 33.4 |
| 1 1/4'' | 32 | 42.2 |
| 1 1/2'' | 40 | 48.3 |
| 2'' | 50 | 60.3 |
| 2 1/2'' | 65 | 73 |
| 3'' | 80 | 88.9 |
| 3 1/2'' | 90 | 101.6 |
| 4'' | 100 | 114.3 |
| 5'' | 125 | 141.3 |
| 6'' | 150 | 168.3 |
| 8'' | 200 | 219.1 |
| 10'' | 250 | 273 |
| 12'' | 300 | 323.8 |
| 14'' | 350 | 355.6 |
2. Production Process
3. Packing and Loading
Packing: 1.Steel bars and nylon ropes
2.Waterproof plastic sheet
Loading: 1.Bulk or Bundle
2.According to requirements
