Precision Mechanical Steel Tubing , Erw Galvanized Steel Pipe 1 - 35 Mm Thickness

Factory direct sale mild mechanical properties erw galvanized steel pipes

EN10305-2 Cold Drawn Welded Precision Steel Tubes DOM tubing E155,E195,E235,E275,E355 +C +LC +SR +A +N

DOM is a process that is applied to tubing after it is initially constructed.It is refferred to as Seamless ,It can be said that do seamless process method on ERW tubes,So the tubes will have a high strength ,high quality .Material form E155  E195 E235 E275 E355 1020 1026 and so on .DOM tubing is commonly use in auto parts . 

 erw galvanized steel pipes

Production Process: 
Cold rolling by Cold pilger machine and Cold rolling machine
Size: 20-350mm

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

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

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

4. 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

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