st45 carbon steel precision seamless tubing and piping
Hi,this is maria,thanks very much for your interesting to our products,If you want such steel tubes and pipes,or the standard is not listed above,pls do not hesitate to contact me at once.pls tell me,it's my honor to service you!
Tel:+86-18921988727
Zhangjiagang Huadian Import & Export Co., Ltd is a company based in China, we have two factories, one factory manufactures steel tubes and the other factory produces power station equipment.
Jiangsu Dehai Group (Parent Company) | |
Zhangjiagang Huadian Im &Ex Co., Ltd (Subsidiary) | |
Zhangjiagang Huagang IndustrialCo.,Ltd (Factory)
| Specializes in the production of cold-drawn/cold-rolled precision seamless steel tubes,such as bright oil tubes etc. |
Zhangjiagang Huadian Power Equipment Co.,Ltd (Factory) | A manufacturer of power station boiler, industrial boiler, waste heat boiler, refusefired boiler, biomass boiler and the correlated pressure parts integrating the design, manufacture, installation, repair and maintance |
Cold drawn (Mandatory) BK1) | Cold drawn (Soft) BKW1) | Cold Drawn and Stress Release (BKS) | Anneal (GBK)1) | Normalizing (NBK)1) | |||||||
Tensile | Elongation | Tensile | Elongation | Tensile | Elongation | Tensile | Elongation | Tensile | Yield point | Elongation | |
Steel grade | No less than | ||||||||||
Rm | A5 | Rm | A5 | Rm | A5 | Rm | A5 | Rm | ReH2) | A5 | |
N/mm2 | % | N/mm2 | % | N/mm2 | % | N/mm2 | % | N/mm2 | N/mm2 | % | |
10 | 410 | 6 | 375 | 10 | 335 | 12 | 335 | 24 | 335 | 205 | 24 |
20 | 510 | 5 | 450 | 8 | 430 | 10 | 390 | 20 | 410 | 245 | 20 |
35 | 590 | 4 | 550 | 6 | 520 | 8 | 510 | 17 | 530 | 315 | 17 |
45 | 645 | 4 | 630 | 5 | 610 | 7 | 590 | 14 | 600 | 355 |
Steel grade | BK | BKW | BKS | GBK | NBK | |||||||
Tensile Strength Rm N/mm min | Eloga-tion A % min | Tensile Strength Rm N/mm min | Eloga-tion A % min | Tensile Strength Rm N/mm min | Yield Strength ReH N/mm min | Eloga-tion A % min | Tensile Strength Rm N/mm min | Eloga-tion A % min | Tensile Strength Rm N/mm min | Yield Strength ReH N/mm min | Eloga-tion A % min | |
St35 | 480 | 6 | 420 | 10 | 420 | 315 | 14 | 315 | 25 | 340-470 | 235 | 25 |
St45 | 580 | 5 | 520 | 8 | 520 | 375 | 12 | 390 | 21 | 440-570 | 235 | 21 |
St52 | 640 | 4 | 580 | 7 | 580 | 420 | 10 | 490 | 22 | 490-630 | 355 | 22 |