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Precision E355 Carbon Steel Tube EN10305-2 Standard Cold Drawn Process Thin-Wall Design for Automotive Systems
Precision E355 Carbon Steel Tube EN10305-2 Standard Cold Drawn Process Thin-Wall Design for Automotive Systems
Precision E355 Carbon Steel Tube EN10305-2 Standard Cold Drawn Process Thin-Wall Design for Automotive Systems
Precision E355 Carbon Steel Tube EN10305-2 Standard Cold Drawn Process Thin-Wall Design for Automotive Systems
Precision E355 Carbon Steel Tube EN10305-2 Standard Cold Drawn Process Thin-Wall Design for Automotive Systems
Precision E355 Carbon Steel Tube EN10305-2 Standard Cold Drawn Process Thin-Wall Design for Automotive Systems
Precision E355 Carbon Steel Tube EN10305-2 Standard Cold Drawn Process Thin-Wall Design for Automotive Systems
Precision E355 Carbon Steel Tube EN10305-2 Standard Cold Drawn Process Thin-Wall Design for Automotive Systems
Specifications
Brand Name :
Hongbao
Model Number :
HBWST-1
Certification :
TS16949, DNV, PED, ISO
Place of Origin :
Jiangsu,China
MOQ :
1 ton
Price :
Negotiable
Payment Terms :
L/C,T/T
Supply Ability :
30000MT per year
Delivery Time :
Within 50 days if production
Packaging Details :
Seaworthy plywooden case packaging
Material :
E235, E355, 26MnB5, 34MnB5
Certificate :
TS16949, DNV, PED, ISO
Thickness :
0.5-15mm
OD :
6-120mm
High Light :
Welded steel tubing
Description
Precision E355 Carbon Steel Tube (EN10305-2) for Automotive Systems

Manufactured in strict compliance with the EN10305-2 standard, this precision tube utilizes E355 grade carbon steel known for its excellent weldability and high yield strength. Through the cold drawing process, the tube achieves superior dimensional accuracy and a smooth surface finish, while maintaining a thin-wall design to reduce vehicle weight. It is widely used in automotive chassis systems, seat frames, shock absorbers, and stabilizer bars.

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

Precision E355 Carbon Steel Tube EN10305-2 Standard Cold Drawn Process Thin-Wall Design for Automotive Systems
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Product Detail
Brand Name :
Hongbao
Model Number :
HBWST-1
Certification :
TS16949, DNV, PED, ISO
Place of Origin :
Jiangsu,China
MOQ :
1 ton
Price :
Negotiable
Contact Supplier
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Precision E355 Carbon Steel Tube EN10305-2 Standard Cold Drawn Process Thin-Wall Design for Automotive Systems
Precision E355 Carbon Steel Tube EN10305-2 Standard Cold Drawn Process Thin-Wall Design for Automotive Systems
Precision E355 Carbon Steel Tube EN10305-2 Standard Cold Drawn Process Thin-Wall Design for Automotive Systems
Precision E355 Carbon Steel Tube EN10305-2 Standard Cold Drawn Process Thin-Wall Design for Automotive Systems

Jiangsu Hongbao Group Co., Ltd.

Verified Supplier
9 Years
jiangsu
Since 1958
Business Type :
Manufacturer
Main Products :
Welded Steel Tube, Precision Steel Tube, Hollow Steel Tube
Total Annual :
>76000000
Employee Number :
700~1000
Certification Level :
Verified Supplier
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