Jiangsu Hongbao Group Co., Ltd.
| Supply Ability | 30000MT per year |
| Delivery Time | Within 50 days if production |
| Packaging Details | seaworthy plywooden case packing. |
| Payment Terms | L/C, T/T |
| Material: | ST37.4, ST52.4, E235, E355 |
| Brand: | Hongbao |
| Certificate: | TS16949, DNV, PED, ISO |
| Origin: | Jiangsu, China |
| Type: | Welded or Seamless |
| Processing: | Cold Drawn, Cold Rolled |
| Brand Name | Hongbao |
| Model Number | HBPST-1 |
| Certification | TS16949, DNV |
| Place of Origin | Jiangsu, China |
View Detail Information
Explore similar products
EN10305-1 E355 OD10 Round Shape Seamless Cold Drawn Steel Tube For Automotive
EN10305-2 ST37.4 OD5 Hydraulic Cylinder Round Cold Drawn Welded Precision Steel
EN10305 E355 OD80 Precision Steel Tube, Generator Annealed Cold Rolled Steel
DIN2391 EN10305 OD10 Nickel White Thick Wall Steel Tube for Hydraulic Pneumatic
Product Specification
| Supply Ability | 30000MT per year | Delivery Time | Within 50 days if production |
| Packaging Details | seaworthy plywooden case packing. | Payment Terms | L/C, T/T |
| Material: | ST37.4, ST52.4, E235, E355 | Brand: | Hongbao |
| Certificate: | TS16949, DNV, PED, ISO | Origin: | Jiangsu, China |
| Type: | Welded or Seamless | Processing: | Cold Drawn, Cold Rolled |
| Brand Name | Hongbao | Model Number | HBPST-1 |
| Certification | TS16949, DNV | Place of Origin | Jiangsu, China |
| High Light | precision steel pipe ，erw precision tubes | ||
E235 Steel Tube EN10305 High Precision Steel Tube Seamless Carbon Steel Pipe
Description:
E235 steel tubes, conforming to EN10305 standards, are manufactured under precise controls to ensure high precision and consistent quality. These seamless carbon steel pipes undergo cold drawing and multiple annealing processes to achieve exact dimensions and smooth surfaces. Manufacturers rigorously test them to meet stringent DIN2391 and EN10305 specifications, ensuring their reliability for critical applications in hydraulic and pneumatic systems.
Chemical composition:
| Steel Grade | C | Si | Mn | p | s | Cr | Ni | AI |
| 20# | 0.17-0.24 | 0.17-0.37 | 0.35-0.65 | 0.035 | 0.035 | 0.250 | 0.250 | / |
| 45# | 0.42-0.50 | 0.17-0.37 | 0.50-0.80 | 0.035 | 0.035 | 0.250 | 0.300 | / |
| Q345B | ≤0.2 | ≤0.5 | 1.00-1.60 | 0.030 | 0.030 | 0.300 | 0.250 | / |
| Q345D | ≤0.2 | ≤0.5 | 1.00-1.60 | 0.030 | 0.030 | 0.250 | 0.250 | 0.015 |
| 25Mn | 0.22-0.29 | 0.17-0.37 | 0.70-1.00 | 0.035 | 0.035 | / | / | / |
| 27SiMn | 0.24-0.32 | 0.10-.014 | 1.10-1.40 | 0.035 | 0.035 | 0.300 | 0.300 | / |
| E355/St52 | ≤0.22 | ≤0.55 | ≤1.6 | 0.025 | 0.025 | 0.250 | 0.250 | / |
| SAE1026 | 0.22-0.28 | 0.15-0.35 | 0.60-0.90 | 0.050 | 0.050 | / | / | / |
Mechanical Property:
| Steel Grade | Rm Mpa | Reh Mpa | Elongation Mpa | Rm Mpa | Elongation |
| 20# | ≥520 | ≥375 | ≥15 | ≥550 | ≥8 |
| 45# | ≥600 | ≥520 | ≥10 | ≥640 | ≥5 |
| 16Mn Q345B Q345D | ≥600 | ≥520 | ≥14 | ≥640 | ≥5 |
| 25Mn | ≥600 | ≥510 | ≥15 | ≥640 | ≥5 |
| 27SiMn | ≥760 | ≥610 | ≥10 | ≥800 | ≥5 |
| St45 | ≥520 | ≥375 | ≥15 | ≥550 | ≥5 |
| E355(st52) | ≥600 | ≥520 | ≥14 | ≥640 | ≥5 |
| SAE1026 | ≥600 | ≥510 | ≥15 | ≥640 | ≥5 |
| Process | Diameter | Length | Precision | Inner Hole Roughness |
| Cold Rolled | 30-100mm | ≤12 m | H8-H10 | 0.4-1.6 |
| Cold Draw | 30-250mm | ≤12 m | H8-H10 | 0.8-1.6 |
| Honing | 40-500mm | ≤12 m | H8-H9 | 0.4-0.8 |
| Rolling | 40-400mm | ≤7 m | H8 | 0.4 |
| Inner Diameter | H8 | H9 | H10 |
1. OD:10mm-219mm
2. WT:1.2mm-45mm
3. Good supplier,perfect steel brand
4. High quality,high precision, favorable price, good after-sale service
Advantage:
1. Our company produce various specifications,models as per standards
2. Using high -quality material and advanced production technology and equipment for processing
3. Applicable to a humid climate and the harsh corrosive enviroment
4. Products has been exported to Europe,North American,the Middle East,South East Asia,Africa,Asia,European,other countries and regions
5. We are Trade-assurance company,Place orders online,get full protection
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!