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Zhangjiagang Huadian Import & Export Co., Ltd.
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High Precision Cold Drawn High Pressure Fuel Pipe
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 |
Synopsis of process flow: Using high quality raw material: ST35, ST37, ST37.4, ST52.4, cold drawn, none oxidization heat treatment(NBK), none destructive inspection.
Main application: For high pressure fuel pipe in compression ignition engine, all technical requirements call reach the level of top international brand and reduce the cost for our customers.
Grade and Chemical Composition(%):
| Grade | Chemical Composition(%) | ||||
| C max | Si max | Mn | P max | S max | |
| St 35 | 0.17 | 0.35 | ≥0.40 | 0.025 | 0.025 |
| St 45 | 0.21 | 0.35 | ≥0.40 | 0.025 | 0.025 |
| St 52 | 0.22 | 0.55 | ≤1.60 | 0.025 | 0.025 |
| Steel grade | Chemical Composition(%): | ||||||
| Steel name | Steel number | C max | Si max | Mn | P max | S max | Al min |
| E215 | 1.0212 | 0.10 | 0.05 | 0.70 | 0.025 | 0.025 | 0.025 |
| E235 | 1.0308 | 0.17 | 0.35 | 1.20 | 0.025 | 0.025 | - |
| E355 | 1.0580 | 0.22 | 0.55 | 1.60 | 0.025 | 0.025 | |
Mechanical Properties(Mpa)
Steel grade | BK | BKW | BKS | GBK | NBK | |||||||
| RmN/mm min | min | RmN/mm min | min | N/mm min | ReH N/mm min | min | N/mm min | min | N/mm min | ReH N/mm min | 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 | |
Steel Grade | Delivery State | ||||||||
BK | BKW | BKS | NBK | ||||||
Tensile Strength(MPa) | Elongation | Tensile Strength(MPa) | Elongation | Tensile Strength(MPa) | Elongation | Tensile Strength(MPa) | Elongation | Yield Point(MPa) | |
≥ | |||||||||
10 | 410 | 6 | 373 | 10 | 335 | 12 | 335 | 24 | 205 |
20 | 510 | 5 | 450 | 8 | 430 | 10 | 410 | 20 | 245 |
35 | 590 | 4 | 550 | 6 | 520 | 8 | 530 | 17 | 315 |
45 | 645 | 4 | 630 | 5 | 610 | 7 | 600 | 14 | 355 |