Cold Drawn Seamless Steel Tube and Pipe

Instruction

EN10305-2 Cold Drawn Precision Seamless Steel Tubes DOM tubing E155,E195,E235,E275,E355 +C +LC +SR +A +N, which is technically similar to cold drawn seamless tube EN1035-1.
 
Big Diameter Seamless Steel Tube Production Process:
Cold rolling by Cold pilger machine and Cold rolling machine
Size: 20-350mm

1. Cold Drawn Steel Tube Standard:  
EN10305-2 Cold Drawn Precision Seamless Steel Pipes

2. Cold Drawn Seamless Steel Pipe Steel Grade:
E155,E195,E235,E275,E355, other materials upon agreement with customers.

3. Cold Drawn Pipe Production method:
Cold drawn on the welded steel tubes, to reach high accuracy on the OD and WT tolerance

4. Cold Drawn Seamless Pipe Size range:
O.D.:20-350mm     W.T.:1-35mm      L:max12000mm

5. Packing:
In Hexagonal Bundles, with anti-rust oil protection, with seaworthy packing

6. Deliver condition:
1). +C No heat treatment after the final cold drawing process
2). +LC After the final heat treatment there is a suitable drawing pass
3). +SR After the final cold drawing process there is a stress relieve heat treatment in a controlled atmosphere
4). +A After the final cold drawing process the tubes are annealed in a controlled atmosphere
5). +N After the final cold drawing operation the tubes are normalized in a controlled atmosphere
 
Please specify the final heat treatment when sending the enquiry.