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 |
| Certificate: | TS16949,DNV,PED,ISO,TUV,LR |
| Material: | ST37.4,ST52.4,E235,E355,26MnB5,34MnB5 |
| OD: | 6-120mm |
| Thickness: | 0.5-15mm |
| Length: | 12000mm Max |
| 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 |
| Certificate: | TS16949,DNV,PED,ISO,TUV,LR | Material: | ST37.4,ST52.4,E235,E355,26MnB5,34MnB5 |
| OD: | 6-120mm | Thickness: | 0.5-15mm |
| Length: | 12000mm Max | 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 | hollow steel bar ，round hollow tube | ||
EN10305 E235 E355 Precision Round Hollow Steel Tube Honed Steel Pipe
Description:
Chemical Composition and Mechanical Performance:
| Table 1- Chemical composition | ||||||
| Steel Grade | C% | Si% | Mn% | P% | S% | AL% |
| E215 | ≤0.10 | ≤0.05 | ≤0.7 | ≤0.025 | ≤0.025 | ≥0.025 |
| E235 | ≤0.17 | ≤0.35 | 0.4-1.2 | ≤0.025 | ≤0.025 | |
| E255 | ≤0.21 | ≤0.35 | 0.4-1.1 | ≤0.025 | ≤0.025 | |
| E355 | ≤0.22 | ≤0.55 | ≤1.6 | ≤0.025 | ≤0.025 | |
| Table 2 - Mechanical properties at room temperature | |||||||||
| Delivery Condition | BK | BKW | GBK | NBK (N) | |||||
| Steel Grade | Rm | A % | Rm | A % | Rm | A % | Rm | ReH | A % |
| Mpa (Min) | (Min) | Mpa(Min) | (Min) | Mpa(Min) | (Min) | Mpa(Min) | Mpa(Min) | (Min) | |
| E215 | 430 | 8 | 380 | 12 | 280 | 30 | 290~430 | 215 | 30 |
| E235 | 480 | 6 | 420 | 10 | 315 | 25 | 340~480 | 235 | 25 |
| E255 | 580 | 5 | 520 | 8 | 390 | 21 | 440~570 | 255 | 21 |
| E355 | 640 | 4 | 580 | 7 | 450 | 22 | 490~630 | 355 | 22 |
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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