EN10305 E235 E255 Precision Seamless Steel Tubes 6-114.3mm OD for Hydraulic Systems and Automotive Parts
Price:
Negotiable
MOQ:
5TONs
Delivery Time:
30DAYS
Brand:
Joyruns
Product Description
EN10305 E235 E255 Precision Seamless Steel Tubes
High-precision seamless steel tubes manufactured according to DIN2391/EN10305-1/GB/T3639-2009 standards, designed for demanding applications in hydraulic systems, automotive components, and precision machinery parts.
Product Specifications
Standards: EN10305-1, DIN2391, GB/T3639-2009
Material Grades: E235, E255, E355, C45E, E235C, C35E, ST35, ST45, ST37
Outer Diameter: 6mm - 114.3mm
Wall Thickness: 1mm - 15mm
Maximum Length: 12 meters
Type: Seamless
Applications
- Hydraulic systems and components
- Automotive industry applications
- Precision machinery parts for cars and cylinders
- Oil cylinder tubes and assemblies
- Industrial machinery components
Chemical Composition (%)
| Grade | C max | Mn | P max | S max | Si max |
|---|---|---|---|---|---|
| E235 (1.0308) | 0.17 | ≥0.4 | 0.025 | 0.025 | 0.35 |
| ST45 (1.0408) | 0.21 | ≥0.4 | 0.025 | 0.025 | 0.35 |
| E355 (1.0508) | 0.22 | ≤1.6 | 0.025 | 0.025 | 0.55 |
Mechanical Properties
| Grade | Condition | Rm (MPa) | ReH (MPa) | A (%) |
|---|---|---|---|---|
| E235 | Cold Finished (Hard) BK | 480 | - | 6 |
| Cold Finished (Soft) BKW | 420 | - | 10 | |
| Cold Finished & Stress-Relieved BKS | 420 | 315 | 14 | |
| Annealed GBK | 315 | - | 25 | |
| Normalized NBK | 340-470 | 235 | 25 | |
| ST45 | Cold Finished (Hard) BK | 580 | - | 5 |
| Cold Finished (Soft) BKW | 520 | - | 8 | |
| Cold Finished & Stress-Relieved BKS | 520 | 375 | 12 | |
| Annealed GBK | 390 | - | 21 | |
| Normalized NBK | 440-570 | 255 | 21 | |
| E355 | Cold Finished (Hard) BK | 640 | - | 4 |
| Cold Finished (Soft) BKW | 580 | - | 7 | |
| Cold Finished & Stress-Relieved BKS | 580 | 450 | 10 | |
| Annealed GBK | 450 | - | 22 | |
| Normalized NBK | 490-630 | 355 | 22 |
Packaging & Delivery
Packaging: Bundles with plastic paper or wooden box packaging
Delivery Status: BK(+C), BKS(+SR), BKW(+LC), GBK(+A), NBK(+N)
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Get in Touch
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Company
Changzhou Joyruns Steel Tube CO.,LTD
Location
No.143 Qingyang North road,Tianning district. Changzhou
Contact Person
Lee