EN10305-2 E235 Cold Drawn Welded Steel Tube for High Precision Applications

High-quality steel alloys form the foundation of our cold drawn welded steel tube DOM pipes. A precise cold drawing process ensures tight tolerances and smooth seams, eliminating burrs. Ideal for automotive, industrial and construction applications, these pipes offer exceptional strength, corrosion resistance and durability. The result is a reliable, leak-free solution for demanding industries.

DOM (Drawn Over Mandrel) is a specialized tubing production process that uses a drawbench to pull tubing, allowing excellent control of the inside diameter and wall thickness. While often mistaken for seamless steel pipe, DOM tubing actually has a seam that becomes nearly invisible through the cold drawing process, which provides better dimensional tolerances, improved surface finish, and superior welding strength.

• Better shape and dimensional consistency
• Improved quality surface finish
• Tight eccentricity and wall thickness tolerances
• Enhanced safety characteristics
• Good toughness at low temperatures
• 90% of cylinders in the USA market are produced with welded tubes
• Cost-effective fixed lengths

Producing camshafts

• +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