EN10305-1 E235 Cold Drawing Seamless Precision Steel Tube 340-480 MPa Tensile Strength for Automotive Industry
Price:
Negotiable
MOQ:
5TONs
Delivery Time:
30DAYS
Brand:
Joyruns
Product Description
EN10305-1 Cold Drawing Seamless Precision Steel Tubes
High-precision seamless steel tubes manufactured through cold drawing process, specifically designed for automotive industry applications including hydraulic and pneumatic cylinders.
Key Features
- High dimensional precision and surface brightness
- Clean inner and outer surfaces free from oxidation
- Excellent mechanical properties for high-pressure applications
- No leakage under high pressure conditions
- Resistant to deformation during cold bending
- No cracking during flaring and flattening operations
- Ensures efficient operation in all service conditions
Chemical Composition (%) - EN 10305-1
| Steel Grade | Steel Number | C (max) | Si (max) | Mn (max) | P (max) | S (max) |
|---|---|---|---|---|---|---|
| E215 | 1.0212 | 0.10 | 0.05 | 0.70 | 0.025 | 0.015 |
| E235 | 1.0308 | 0.17 | 0.35 | 1.20 | 0.025 | 0.015 |
| E355 | 1.0580 | 0.22 | 0.55 | 1.60 | 0.025 | 0.015 |
Mechanical Properties - EN 10305-1
| Yield Strength (min MPa) | Tensile Strength (min MPa) | Elongation (min %) |
|---|---|---|
| 215 | 290-430 | 30 |
| 235 | 340-480 | 25 |
| 355 | 490-630 | 22 |
Delivery Conditions
| Term | Symbol | Explanation |
|---|---|---|
| Cold-finished/hard | BK | No heat treatment after last cold-forming process. Tubes have low deformability. |
| Cold-finished/soft | BKW | Light finishing pass after heat treatment. Can be cold-formed within certain limits. |
| Annealed | GBK | Tubes annealed in controlled atmosphere or vacuum after final cold-forming. |
| Normalized | NBK | Tubes annealed above upper transformation point in controlled atmosphere or vacuum. |
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Company
Changzhou Joyruns Steel Tube CO.,LTD
Location
No.143 Qingyang North road,Tianning district. Changzhou
Contact Person
Lee