Jiangsu Hongbao Group Co., Ltd.
| Supply Ability | 30000MT per year |
| Delivery Time | within 50 days |
| Packaging Details | seaworthy plywooden case packing. |
| Material: | Low Carbon Steel,Carbon Steel,Carbon Alloy Steel,E355,E235,ST37.2 |
| Brand: | Hongbao |
| Certificate: | TS16949,DNV,PED,ISO |
| Origin: | Jiangsu,China |
| OD: | 4-383mm |
| Thickness: | 0.5-18mm |
| Processing: | Seamless |
| Package: | Seaworthy Packing. |
| Brand Name | Hongbao |
| Model Number | HBCDSST-1 |
| Certification | TS16949,DNV,PED,ISO,TUV,LR |
| Place of Origin | Jiangsu, China |
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Product Specification
| Supply Ability | 30000MT per year | Delivery Time | within 50 days |
| Packaging Details | seaworthy plywooden case packing. | Material: | Low Carbon Steel,Carbon Steel,Carbon Alloy Steel,E355,E235,ST37.2 |
| Brand: | Hongbao | Certificate: | TS16949,DNV,PED,ISO |
| Origin: | Jiangsu,China | OD: | 4-383mm |
| Thickness: | 0.5-18mm | Processing: | Seamless |
| Package: | Seaworthy Packing. | Brand Name | Hongbao |
| Model Number | HBCDSST-1 | Certification | TS16949,DNV,PED,ISO,TUV,LR |
| Place of Origin | Jiangsu, China | ||
| High Light | cold rolled steel tube ，cold drawn seamless pipe | ||
Cold Drawn Seamless Steel Tube EN10305-1 E235 E355Steel Tube for Precision Application
Description
| SIZE TOLERANCE | |||||
|
NAME |
Scope (mm) |
GB Series (mm) |
DIN series (mm) |
Enterprise internal control standards (mm) |
Special high-precision (mm) |
|
Out diameter
|
2-30 | ±0.10 | ±0.08 | ±0.05 | ±0.03 |
| 31-40 | ±0.15 | ±0.15 | ±0.05 | ±0.03 | |
| 41-50 | ±0.20 | ±0.20 | ±0.08 | ±0.03 | |
| 51-60 | ±0.25 | ±0.25 | ±0.08 | ±0.03 | |
| Wall thickness | 0.3-10 | ±10%; MIN±0.15 | ±10% | ±10%; MIN±0.05 | ±10%; MIN±0.03 |
DELIVERY CONDITIONS
The tubes can be produced in the following delivery conditions:
BK (+C) Cold finished/hard (cold finished as drawn).
No heat treatment after the last cold forming process.
BKW (+LC) Cold finished/soft (lightly cold worked)
After the last heat treatment there is a light finishing pass (cold drawing).
BKS (+SR) Cold finished/stress relieve annealed.
After the final cold forming process the tubes are stress relieve annealed.
GBK (+A) Annealed.
After the final cold forming process the tubes are annealed in a controlled atmosphere.
NBK (+N) Normalized. (Mainly focus on)
After the final cold forming process the tubes are annealed above the upper transformation point in a controlled atmosphere.
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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