EN10305-2 E355 E235 Welded Steel Pipe , Precision Cold Drawn Steel Pipe for Auto Industry

EN10305-2 E355 E235 Welded Steel Pipe , Precision Cold Drawn Steel Pipe for Auto Industry

Description

The EN10305-2 precision cold drawn steel pipe represents a premium solution for the automotive industry, combining advanced manufacturing processes with stringent quality control to deliver superior performance in critical applications. Manufactured in accordance with European standard EN10305-2, these welded precision tubes are produced from electric resistance welded (ERW) pre-tubes that undergo a precision cold drawing process. This method enhances dimensional accuracy, improves surface finish, and refines the grain structure, resulting in a product that offers performance characteristics comparable to seamless tubing at a more cost-effective price point.

Steel Grades

• E195 (1.0034)
• E235 (1.0308)
• E275 (1.0225)
• E355 (1.0580)
• E215 (1.0212)

Key Advantages

• High concentricity and dimensional precision
• Cost-effective alternative to seamless tubes
• Consistent mechanical properties
• Suitable for high-stress mechanical applications

Chemical Composition (max values, % by weight)

Mechanical Properties (Minimum Values at Room Temperature)

Testing & Inspection

• Tensile test
• Flattening test
• Drift expanding test
• Dimensional inspection
• Roughness measurement
• Visual examination
• Non-destructive testing 
• Leak-tightness testing