| 1. | Galvanized welded steel pipe for low pressure service
低压流体输送用镀锌焊接钢管 |
| 2. | Welded stainless steel tubes for machine structures
机械结构用不锈钢焊接钢管 |
| 3. | Welded steel pipe for low pressure liquid delively
低压流体输送用焊接钢管 |
| 4. | Welded steel pipe for low pressure service
低压流体输送用焊接钢管 |
| 5. | Gas supply systems - welding steel pipework - functional requirements
供气系统.焊接钢管.功能要求 |
| 6. | Bending radii for seamless and welded steel tubes ; design sheet
无缝和焊接钢管的弯曲半径.设计图表 |
| 7. | Standard specification for electric - fusion - welded steel pipe nps 4 and over
电熔焊接钢管用标准规范 |
| 8. | Welded steel tubes for heat - exchanger
换热器用焊接钢管 |
| 9. | Seamless and welded steel tubes . dimensions and masses per unit length
无缝钢管和焊接钢管.尺寸及单位长度质量 |
| 10. | 411 spiral - welded steel pipe is available in sizes from 6 to 36 inches
螺旋焊接钢管的尺寸从六寸到三十六寸。 |
