Jiangsu Hongbao Group Co., Ltd.
| Supply Ability | 60000 MT per Year |
| Delivery Time | 30 Days |
| Packaging Details | Seaworthy Wooden box, customized Packing |
| Shape | Round |
| Application | Automotive Part, Hydraulic System, High-precsion Machining. etc. |
| Payment | T/T; L/C |
| Sample | Free Sample |
| Certificate: | TS16949,DNV,PED,ISO |
| Origin: | Jiangsu,China |
| Brand Name | Hongbao |
| Certification | TS16949, ISO9001, OHSAS18001 etc. |
| Place of Origin | China |
| Model Number | HBPST-1 |
View Detail Information
Explore similar products
OD 4mm Precision Seamless Steel Tubes , Small Diameter Seamless Round Tubes
Thick WT 15mm Precision Seamless Pipe E355 Material Yield Strength Over 235Mpa
Professional Precision Seamless Steel Tubes 15mm Wall Thickness For Inner
Annealed Thick Wall Steel Tube For Hydraulic / Pneumatic Power System
Product Specification
| Supply Ability | 60000 MT per Year | Delivery Time | 30 Days |
| Packaging Details | Seaworthy Wooden box, customized Packing | Shape | Round |
| Application | Automotive Part, Hydraulic System, High-precsion Machining. etc. | Payment | T/T; L/C |
| Sample | Free Sample | Certificate: | TS16949,DNV,PED,ISO |
| Origin: | Jiangsu,China | Brand Name | Hongbao |
| Certification | TS16949, ISO9001, OHSAS18001 etc. | Place of Origin | China |
| Model Number | HBPST-1 | ||
| High Light | seamless steel tube ，seamless round tubes | ||
Delivery Condition +C Precision Seamless Stee Standard EN10305-1 Steel Round Pipe
Main Date
| Standard | EN10305-1; DIN2391; DIN2445 |
| Material | E235, E355, St37.4, St52.4 |
| Outer Diameter Range: | 4-120mm |
| Wall Thickness Range: | 0.5-15mm |
| Standard |
GB/T3639 GB/T8713 DIN2391-2 EN 10305-1 HK15-2000 |
| Delivery Condition | +C No heat treatment after the final cold drawig process. |
Other Aviliable Delivery Condition
NBK(+N): After the final cold drawing operation the tubes are normalized in a controlled atmosphere.
GBK(+A): After the final cold drawing process the tubes are annealed in a controlled atmosphere.
BKW(+LC): After the final heat treatment there is a suitable drawing pass.
BKS(+SR): After the final cold drawing process there is a stress relieve heat treatment in a controlled atmosphere.
Commonly Used Size
| Φ4×0.5 | Φ16×0.5 | Φ26×1.8 | Φ35×9.0 |
| Φ4×0.8 | Φ16×0.8 | Φ26×2.0 | Φ35×10 |
| Φ4×1.0 | Φ16×1.0 | Φ26×2.2 | Φ38×0.5 |
| Φ4×1.2 | Φ16×1.2 | Φ26×2.5 | Φ38×0.8 |
| Φ5×0.5 | Φ16×1.5 | Φ26×2.8 | Φ38×1.0 |
| Φ5×0.8 | Φ16×1.8 | Φ26×3.0 | Φ38×1.2 |
| Φ48×5.0 | Φ70×2.8 | Φ90×10 | Φ130×14 |
| Φ48×5.5 | Φ70×3.0 | Φ90×12 | Φ130×16 |
| Φ48×6.0 | Φ70×3.5 | Φ90×14 | Φ130×18 |
| Φ48×7.0 | Φ70×4.0 | Φ90×16 | Φ140×2.5 |
| Φ48×8.0 | Φ70×4.5 | Φ95×2.0 | Φ140×2.8 |
| Φ48×9.0 | Φ70×5.0 | Φ95×2.2 | Φ140×3.0 |
Size Tolerance Table
| OD Range | EN10305(DIN2391) |
| 4-30mm | ±0.08mm |
| 31-40mm | ±0.15mm |
| 41-50mm | ±0.2mm |
| 51-60mm | ±0.25mm |
| 61-70mm | ±0.3mm |
| 71-160mm | ±0.30mm |
| WT Range | ±0.10mm |
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...
Get in touch with us
Leave a Message, we will call you back quickly!