E355 EN10305-2 Thin Wall Thickness Carbon Steel Tube for Automotive System - Cold Drawn Welded Steel Tube
Price:
Negotiable
MOQ:
1 ton
Delivery Time:
Within 50 days if production
Brand:
Hongbao
Product Description
E355 EN10305-2 OD11 Thin Wall Thickness Carbon Steel Tube
Product Overview
Thin wall thickness carbon steel tubes are cold drawn welded steel tubes specifically designed for automotive systems. These lightweight yet robust tubes offer excellent strength-to-weight ratios, making them ideal for various applications including fuel lines and hydraulic systems.
Precision engineering ensures consistent dimensions and smooth finishes, enhancing performance and reliability. The cold drawing process improves mechanical properties, providing superior flexibility and durability for modern vehicle applications.
Technical Specifications
- Material: E355
- Other Available Materials: E155, E195, E235, E275
- Outer Diameter Range: 10-50mm
- Wall Thickness Range: 1.5-8mm
- t/D Ratio: ≥ 0.2 (Normal: t/D=0.1)
- Standard: EN10305-2
- Process: Cold Drawn, Cold Rolling
Typical Specification
| Grade | Welding Typical Specification | Yield Strength | |
|---|---|---|---|
| 3 | E355 | Φ38×4.5 | 355～450 MPa |
Chemical Composition
| Steel Number | Quality Level | Thickness/mm | Deoxidize Method | C(%)≤ | Si(%)≤ | Mn(%)≤ | P(%)≤ | S(%)≤ |
|---|---|---|---|---|---|---|---|---|
| E235(Fe360) | A | ≤16 | N | 0.22 | - | - | 0.050 | 0.050 |
| B | ＞16-25 | - | 0.17 | 0.40 | 1.40 | 0.045 | 0.045 | |
| C | ≤40 | - | 0.20 | 0.40 | 1.40 | 0.045 | 0.045 | |
| D | ＞40 | E | 0.17 | 0.40 | 1.40 | 0.045 | 0.045 | |
| - | - | NE | 0.20 | 0.40 | 1.40 | 0.040 | 0.040 | |
| - | - | NE | 0.17 | 0.40 | 1.40 | 0.035 | 0.035 | |
| - | - | GF | 0.17 | 0.40 | 1.40 | 0.035 | 0.035 |
Yield Strength
| Steel Number | Yield Strength/MPa | ≤16 | ＞16-40 | ＞40-63 | ＞63-80 | ＞80-100 | ＞100-150 | ＞150-200 |
|---|---|---|---|---|---|---|---|---|
| E355(Fe510) | C | 355 | 345 | 335 | 325 | 315 | 295 | 285 |
| E355(Fe510) | D | 355 | 345 | 335 | 325 | 315 | 295 | 285 |
Delivery Conditions
- +C: No heat treatment after the final cold drawing process
- +LC: After the final heat treatment there is a suitable drawing pass
- +SR: After the final cold drawing process there is a stress relieve heat treatment in a controlled atmosphere
- +A: After the final cold drawing process the tubes are annealed in a controlled atmosphere
- +N: After the final cold drawing operation the tubes are normalized in a controlled atmosphere
Advantages Over Seamless Cold Drawn Tubes
- Better shape and dimensional consistency
- Improved quality surface finish
- Tight eccentricity and wall thickness tolerances
- Enhanced safety performance
- Good toughness at low temperatures
- 90% of cylinders in the USA market are produced with welded tubes
- Cost-effective fixed lengths
Packaging
Seaworthy plywood case packaging
Similar Products
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Jiangsu Hongbao Group Co., Ltd.
Location
DAXIN TOWN,ZHANGJIAGANG,JIANGSU P.R.CHINA
Contact Person
Angela