DIN2391 E215 OD10 Precision Steel Tube , Carbon Cold Drawn Steel Tube For Inner Cylinder
Brand Name:Hongbao
Certification:TS16949, DNV, PED, ISO, TUV, LR
Model Number:HBPST-1
Minimum Order Quantity:1 ton
Delivery Time:Within 50 days if production
Payment Terms:L/C, T/T
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DIN2391 Precision Steel Tube , Carbon Cold Drawn Steel Tube For Inner Cylinder
Description:
Precision Steel Tube, a carbon cold drawn steel tube, is specifically designed for inner cylinder applications. Known for its high strength, durability, and precise dimensions, it ensures optimal performance and reliability. Manufactured to strict quality standards, this tube offers excellent corrosion resistance and wear resistance. Its lightweight yet strong construction makes it ideal for various industrial uses, promoting efficiency and longevity. Tailored to meet precise specifications, it provides enhanced functionality and reduced maintenance, making it a cost-effective solution for demanding environments.
Applications:
Auto industry
Machinery use
Oil cylinder tube
Motorcycle shock absorber
Auto shock absorber
Inner cylinder
Telescopic cylinders
Jack lifting system
Hydraulic cylinders
Appearance:
The internal and external surface finish of the tubes is smooth,
while the Weld Seam is somehow not visible or tangible.
The ID surface with roughness Ra≤4μm, the best ID smoothness we
could reach Ra≤0.8μm
The inner surface can be measured and reported if this is requested
by the purchaser before PO.
Chemical Composition and Mechanical Performance:
| Table 1- Chemical composition | ||||||
| Steel Grade | C% | Si% | Mn% | P% | S% | AL% |
| E215 | ≤0.10 | ≤0.05 | ≤0.7 | ≤0.025 | ≤0.025 | ≥0.025 |
| E235 | ≤0.17 | ≤0.35 | 0.4-1.2 | ≤0.025 | ≤0.025 | |
| E255 | ≤0.21 | ≤0.35 | 0.4-1.1 | ≤0.025 | ≤0.025 | |
| E355 | ≤0.22 | ≤0.55 | ≤1.6 | ≤0.025 | ≤0.025 | |
Mechanical properties in room temperature:
| Steel grade | Maximum values depending on the delivery condition | |||||||||||
| +C | +LC | +SR | +A | +N | ||||||||
| Steel symbol | Rm MPa | A % | Rm MPa | A % | Rm MPa | ReH Mpa | A % | Rm MPa | A % | Rm MPa | ReH Mpa | A % |
| E155 | 400 | 6 | 350 | 10 | 350 | 245 | 18 | 260 | 28 | 270 do 410 | 155 | 28 |
| E195 | 420 | 6 | 370 | 10 | 370 | 260 | 18 | 290 | 28 | 300 do 440 | 195 | 28 |
| E235 | 490 | 6 | 440 | 10 | 440 | 325 | 14 | 315 | 25 | 340 do 480 | 235 | 25 |
| E275 | 560 | 5 | 510 | 8 | 510 | 375 | 12 | 390 | 21 | 510 do 550 | 275 | 21 |
| E355 | 640 | 4 | 590 | 6 | 590 | 435 | 10 | 450 | 22 | 490 do 630 | 355 | 22 |
Delivery condition of seamless cold drawn mechanical tubing:
1.BK (+C) Cold finished/hard (cold finished as drawn).
2.BKW (+LC) Cold finished/soft
3.BKS (+SR) Cold finished/stress relieve annealed.
4.GBK (+A) Annealed.
5.NBK (+N) Normalized.
DIN2391 E215 OD10 Precision Steel Tube , Carbon Cold Drawn Steel Tube For Inner Cylinder
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