Jiangsu Hongbao Group Co., Ltd.
| Supply Ability | 60000 MT per Year |
| Delivery Time | 30-45 Days |
| Packaging Details | Seaworthy Wooden box, customized Packing |
| Payment Terms | L/C, T/T |
| Material | E235 E355 |
| Technique | Cold Drawn |
| OD | 10-50mm |
| Type | Welded or Seamless |
| Brand Name | HONGBAO |
| Certification | TS16949, ISO9001, OHSAS18001 etc. |
| Place of Origin | Jiangsu, China |
| Model Number | HBPST-1 |
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Product Specification
| Supply Ability | 60000 MT per Year | Delivery Time | 30-45 Days |
| Packaging Details | Seaworthy Wooden box, customized Packing | Payment Terms | L/C, T/T |
| Material | E235 E355 | Technique | Cold Drawn |
| OD | 10-50mm | Type | Welded or Seamless |
| Brand Name | HONGBAO | Certification | TS16949, ISO9001, OHSAS18001 etc. |
| Place of Origin | Jiangsu, China | Model Number | HBPST-1 |
| High Light | welded steel pipe ，welding round tubing | ||
EN10305-2 E235 Cold Drawn Welded Steel Tube DOM Pipe
Description:
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 is short of Drawn Over Mandrel, to produce specialty tubing, this procedure uses a drawbench to pull tubing, allowing excellent control of the inside diameter and wall thickness.
In technology, DOM is not a steel tube, but the completion of a stainless steel tube. It is considered to be of high quality. The first stage of manufacturing is the same as the phase used to make the resistance welded pipe, but in the finishing phase, the entire flash welding is removed and the tube is cooled on the heart axis. The cold stretching process provides better dimensional tolerances, improved surface finish and the most powerful welding strength. DOM is often mistakenly referred to as "seamless steel pipe" when the DOM actually does have a seam (though it is almost invisible).
| Material | E235 |
| Other material aviable | E355 |
| Standard | EN10305-2 |
| Technique | Cold Drawn |
| OD | 6-80 |
| WT | 0.5-10 |
(If you want other material please contact us)
Advantage (compare with seamless cold drawn tube):
1.Better shape
2.Improved quality surface
3.Tight Excentricity and wall thickness tolerances (the eccentric
4.Tube more safety
5.Good toughness at low temperature
6.USA Market: 90% of the cylinder in the USA market are produced with welded tubes
7.Cost fix Lengths More Cheaper
Application:
Producing camshaft
Delivery 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
Equipment:
Company Details
Business Type:
Manufacturer
Year Established:
1958
Total Annual:
60000000-80000000
Employee Number:
700~1000
Ecer Certification：
Verified Supplier
Jiangsu Hongbao Group (Pipe) Co., Ltd. (Zhangjiagang Hongda Pipe Co., Ltd.) is a high-tech company in Jiangsu province. The company has a registered capital of RMB 89 million, covers an area of 130,000 square meters, employs 600 staff, and has annual sales of RMB 400 million. The company is speciali... Jiangsu Hongbao Group (Pipe) Co., Ltd. (Zhangjiagang Hongda Pipe Co., Ltd.) is a high-tech company in Jiangsu province. The company has a registered capital of RMB 89 million, covers an area of 130,000 square meters, employs 600 staff, and has annual sales of RMB 400 million. The company is speciali...
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