Jiangsu Hongbao Group Co., Ltd.
Jiangsu Hongbao Group Co., Ltd. Manufacture since 1958
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Auto Stabilizer E355 Precision Welded Hollow Steel Tube Cold Drawn Steel Hollow Bar Pipe
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
| Supply | 1. Carbon steel pipe |
| 2. Petroleum casing pipe | |
| 3. Fluid pipe | |
| 4. structure pipe | |
| 5. Alloy steel pipe |
Description:
mechanical properties welded tube
Production Process:
Cold rolling by Cold pilger machine and Cold rolling machine
Size: 5-120mm
Standard:
EN10305-2 Cold Drawn Precision Welded Steel Pipes
Steel Grade:
E155,E195,E235,E275,E355, other materials upon agreement with customers.
Production method:
Cold drawn on the welded steel tubes, to reach high accuracy on the OD and WT tolerance
Packing:
In Hexagonal Bundles, with anti-rust oil protection, with seaworthy packing