Hangzhou Hitech Petrochemical Equipment Co., Ltd.
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Seamless oil tube is widely used in transportation of oil, natural gas, gas, water and some solid materials, pipes, etc., lighter, is an economic cross-section steel, widely used in the manufacture structural parts and mechanical parts, such as oil drill pipe, automobile drive shaft, bicycle stand, as well as construction using steel scaffolding. Steel Pipe Manufacturing circular parts, can improve material utilization, simplify the manufacturing process, saving materials and processing man-hours, such as the rolling bearing rings, jack sets and so on, has been widely used to make steel.
| Product Category | Main Material | Executive Standard | Size range |
| Precision Tube | 10#20#35#45#16Mn35Cro | GB/T3639-2000 | 10-90×2.5-18 |
| Alloy Pipe | 12Cr1MoV | DIN17175-79 | 16-824×2-100 |
| P22(10CrMo910) | JISG3467-88 | ||
| T91P91P9T9 | JISG3458-88 | ||
| WB36Cr5Mo | GB5310-95 | ||
| 15CrMo(P11P12STFA22) | GB9948-88 | ||
| 13CrMo44Cr5Mo15CrMo | ASTMA335/A335m | ||
| 25CrMo30CrMo40CrMo | ASTMA213/A213m | ||
| High Pressure Boiler Tube | 20GA106c ST45.8/3 | GB5310-95 | 16-824×2-65 |
| ASTMA106-99 | |||
| DIN17175-79 | |||
| Low and medium pressure boiler tube | 10#20# | GB3087-1999 | 10-530×2-40 |
| Oil cracking tube | 2012CrMo 15CrMo | GB9948-88 | 10.530×1.5-36 |
| Chemical fertilizer equipment, with high-pressure pipe | 2016MnQ345 | GB6479-2000 | 25-426×6-40 |
| Fluid Pipe | 20Q345 | GB/T8163-1999 | 8-630×1.5-40 |
| Structural Pipe | 1020354516Mn Q345B | GB/T8162-1999 | 6-610×1.5-40 |