Jiangsu Hongbao Group Co., Ltd.
| Payment Terms | L/C,D/A,D/P,T/T,Western Union |
| Supply Ability | 800MT/YEAR |
| Delivery Time | within 50 days |
| Packaging Details | seaworthy plywooden case packing. |
| Material: | Gr1,Gr2,Gr3,Gr7,Gr9,Gr12 |
| Certificate: | DNV,PED,ISO,TUV,LR |
| Thickness: | 0.4-10mm |
| OD: | 10-114mm |
| Length: | 100-15000mm |
| Shape: | Round |
| Brand Name | Hongbao |
| Model Number | HB-TI |
| Certification | DNV,PED,ISO,TUV,LR |
| Place of Origin | Jiangsu, China |
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Product Specification
| Payment Terms | L/C,D/A,D/P,T/T,Western Union | Supply Ability | 800MT/YEAR |
| Delivery Time | within 50 days | Packaging Details | seaworthy plywooden case packing. |
| Material: | Gr1,Gr2,Gr3,Gr7,Gr9,Gr12 | Certificate: | DNV,PED,ISO,TUV,LR |
| Thickness: | 0.4-10mm | OD: | 10-114mm |
| Length: | 100-15000mm | Shape: | Round |
| Brand Name | Hongbao | Model Number | HB-TI |
| Certification | DNV,PED,ISO,TUV,LR | Place of Origin | Jiangsu, China |
Ideal for hydraulic lines, heat exchangers, offshore platforms, and high-stress structural components. Trust a tube built to endure where others fail—engineered for longevity and performance.
| Standard | ASTM B337, ASTM B338, ASTM B861, ASTM B862 |
|---|---|
| Grade | Gr1, Gr2, Gr7, Gr9, Gr12 |
| Dimension | OD*WT*L (10-114)*(0.4-10)*(100-15000)mm |
| Manufacturing Method | Cold rolled |
| Condition | Annealed (M) |
| Features | Light weight, excellent corrosion resistivity, strong heat-resistance, high strength |
| Inspection | Ultrasonic testing, Hydrostatic testing, Flattening testing, visual surface inspection, Dimensional inspection, tensile properties inspection and Chemical elements analysis |
| Grade | Tensile Strength, min | Yield Strength 0.2% offset | Elongation in 2in or 50mm Min% |
|---|---|---|---|
| 1 | 35 Ksi / 240 Mpa | 20-45 Ksi / 138-310 Mpa | 24 |
| 2 | 50 Ksi / 345 Mpa | 40-65 Ksi / 275-450 Mpa | 20 |
| 7 | 50 Ksi / 345 Mpa | 40-65 Ksi / 275-450 Mpa | 20 |
| 9A | 125 Ksi / 860 Mpa | 105 Ksi / 725 Mpa | 10 |
| 9B | 90 Ksi / 620 Mpa | 70 Ksi / 483 Mpa | 15 |
| 12 | 70 Ksi / 483 Mpa | 50 Ksi / 345 Mpa | 18 |
A. Properties for cold-worked and stress-relieved B. Annealed C. Solution treated
| Standard | OD Tolerance | WT Tolerance |
|---|---|---|
| ASTM B338 |
<25.4mm, ±0.102mm 24.4-38.1mm ±0.127mm 38.1-50.8mm ±0.152mm 50.8-63.5mm ±0.178mm 60.3-88.9mm ±0.254mm |
±10% |
| ASTM B861 |
3.2-3.8mm -0.794/+0.397mm 38-102mm ±0.794mm 102-203mm 0.794/+1.588mm |
±12.5% |
Company Details
Business Type:
Manufacturer
Year Established:
1958
Total Annual:
>76000000
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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