Active Member
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Address: 2217,Taida South Tower,Yingbin North Road, Cangzhou,Hebei, China
Contact name:Melody C.
Cangzhou High Booming Pipe Equipment Co.,Ltd |
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Cold Rolled Carbon Seamless Tubes
Table 1- Chemical composition | |||||
Steel Grade | C% | Si% | Mn% | P% | S% |
St35 or E235 | ≤0.17 | ≤0.35 | 0.4-1.2 | ≤0.025 | ≤0.025 |
St45 or E255 | ≤0.21 | ≤0.35 | 0.4-1.1 | ≤0.025 | ≤0.025 |
St52 or E355 | ≤0.22 | ≤0.55 | ≤1.6 | ≤0.025 | ≤0.025 |
| Table 2 - Mechanical properties at room temperature |
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Delivery condition | BK | BKW | GBK | NBK | |||||
steel Grade | Rm Mpa (Min) | A %(Min) | Rm Mpa(Min) | A %(Min) | Rm Mpa(Min) | A %(Min) | Rm Mpa(Min) | ReH Mpa(Min) | A %(Min) |
St35 or E235 | 480 | 6 | 420 | 10 | 315 | 25 | 340 to 480 | 235 | 25 |
St45 or E255 | 580 | 5 | 520 | 8 | 390 | 21 | 440 to 570 | 255 | 21 |
St52 or E355 | 640 | 4 | 580 | 7 | 450 | 22 | 490 to 630 | 355 | 22 |
Application:
A. Fuel injection lines/nozzles
1. Automotive fields
B. CNG (Compressed Nature Gas) tube-- Burst pressure: 1307Bar, Working Pressure: around 350bar
C. Drive transmission: Steering column elements
D. Gear shafts, hand brake, front axles, airbag inflators, stabilizers, seat fasteners, front-wheel drive shafts
2. Hydraulic Fields
A. Hydraulic circuits (HPL), pneumatic lines, and hydraulic suspension system
B. Hydraulic cylinders (HPZ)
