Jiangsu Hongbao Group Co., Ltd.
| Supply Ability | 30000MT per year |
| Delivery Time | within 50 days |
| Packaging Details | Original packaging according to the customers Export standard package in bundled or as required. |
| Brand: | Hongbao |
| Material: | ST37.4,ST52.4,E235,E355,26MnB5,34MnB5 |
| OD: | 6-120mm |
| Thickness: | 0.5-15mm |
| Shape: | Round |
| Type: | Welded or Seamless |
| Brand Name | Hongbao |
| Model Number | HBHST-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 | Original packaging according to the customers Export standard package in bundled or as required. | Brand: | Hongbao |
| Material: | ST37.4,ST52.4,E235,E355,26MnB5,34MnB5 | OD: | 6-120mm |
| Thickness: | 0.5-15mm | Shape: | Round |
| Type: | Welded or Seamless | Brand Name | Hongbao |
| Model Number | HBHST-1 | Certification | TS16949,DNV,PED,ISO,TUV,LR |
| Place of Origin | Jiangsu, China | ||
| High Light | GB DIN Seamless Hollow Steel Tube ，ST37.4 Hollow Steel Tube ，Hollow Steel Tube 15mm | ||
ASTM GB DIN Standard Seamless Steel Tube Black Oiled Round Carbon Steel Tube
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Types
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Application
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Structure Purposes
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General structure and mechanical
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Liquid Services
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Petroleum, gas and other fluids conveying
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Low and Medium Pressure Boiler Tube
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Steam and boiler manufacturing
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Hydraulic Pillar Service
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Hydraulic support
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Auto Semi-shaft Casing
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Auto sem-shaft casing
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Line Pipe
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Oil and gas conveying
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Tubing and Casing
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Oil and gas conveying
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Drill Pipes
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Well drilling
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Geological Drilling Pipe
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Geological drilling
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Furnace tubes, heat exchangers tubes
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Furnace tubes, heat exchangers
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Specification:
| End Shape |
Beveled end, plain end, vanished, or adding plastic caps to protect the two ends as per customer's requirements |
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Surface Treatment |
Oiled, Galvanized, Phosphate etc | |
| Technique | Cold drawn & cold rolled | |
| Application | 1. Automotive and mechanical pipes | |
| 2. Petroleum cracking pipes | ||
| 3. High Pressure Boiler Pipe | ||
| 4. Low and middle pressure fluid transportation pipeline | ||
| 5. Chemical fertilizer equipment pipes | ||
| 6. Heat exchanger pipes | ||
|
Delivery Conditions |
1. BK (+C) | No heat treatment after last cold forming process. |
| 2. BKW (+LC) | After last heat treatment there is a light finishing pass (cold drawing) | |
| 3. BKS (+SR) | After the final cold forming process the tubes are stress relieve annealed. | |
| 4. GBK (+A) | After the final cold forming process the tubes are annealed in a controlled atmosphere. | |
| 5. NBK (+N) |
After the final cold forming process the tubes are annealed above the upper transformation point in a controlled atmosphere. |
|
| Package | 1. Bundle Packing. | |
| 2. Plain end or vanished as per customer's request. | ||
| 3. Wrapped in waterproof paper. | ||
| 4. Sackcloth with several steel strips. | ||
| 5. Pack in heavy tri-wall boxes. | ||
Delivery condition of seamless cold drawn mechanical tubing
BK (+C) Cold finished/hard (cold finished as drawn).
BKW (+LC) Cold finished/soft
BKS (+SR) Cold finished/stress relieve annealed.
GBK (+A) Annealed.
NBK (+N) Normalized.
Application
Fuel injection lines/nozzles for diesel or gasoline engine;
Compressed natured gas CNG tube
Drive transmission: steering column elements
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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