Jiangsu Hongbao Group Co., Ltd.
| Supply Ability | 60000 MT per Year |
| Delivery Time | 30 Days |
| Packaging Details | Seaworthy Wooden box, customized Packing |
| Material | E235, E355 |
| Shape | Round |
| Application | Automotive Part,Camshaft etc. |
| Delivery Condition | +C,+N |
| Keywrds | Bright Annealed Tube |
| Port | Shanghai Port |
| Brand Name | Hongbao |
| Model Number | HB-TI |
| Certification | TS16949, ISO9001, OHSAS18001 etc. |
| Place of Origin | China |
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Product Specification
| Supply Ability | 60000 MT per Year | Delivery Time | 30 Days |
| Packaging Details | Seaworthy Wooden box, customized Packing | Material | E235, E355 |
| Shape | Round | Application | Automotive Part,Camshaft etc. |
| Delivery Condition | +C,+N | Keywrds | Bright Annealed Tube |
| Port | Shanghai Port | Brand Name | Hongbao |
| Model Number | HB-TI | Certification | TS16949, ISO9001, OHSAS18001 etc. |
| Place of Origin | China | ||
| High Light | carbon steel pipe ，st52 honed tube | ||
DIN2391 Seamless Precision Bright Annealed Tubes For Hydraulic And Pneumatic Parts
Description
Benefits of Round Cold drawn Seamless Mechanical Tubing:
Standard: ASTM A519 DIN 2391 EN 10305
Grade: ASTM 1010/1018/1020/1026/1030/1035/1045/4130/4135/4140/5120/5140/52100/8620/4340
DIN ST30AL/ST35/ST45/ST52/CK22/CK35/CK45/41Cr4/25CrMo4/30CrMo4/34CrMo4/42CrMo4/16MnCr5 ETC.
EN E215/E235/E355 etc
Size: Outer diameter: 6-426 mm
Wall thickness: 0.5-40 mm
Length: not more than 12000 mm
Application
High Precision Tube is used in automotive industry, and in the occasion where the high accuracy, brightness, cleanness of the tube are required.
Process: Cold Drawn, Cold Rolled, honin, skiving, Hot rolled+Cold Drawn.
Standard: DIN2391. EN10305-1. GB3639. ASTM A519, EN 10297 etc.
Chemical requirements:
| Steel Grade(%) | C | Si | Mn | P | S |
| E235(1.0308) | ≤0.17 | ≤0.35 | ≤1.20 | ≤0.025 | ≤0.025 |
Dimention
Outer Diameter: 30-450 mm
Wall Thickness: 2-40 mm
Length Random Length, Fixed Length, etc.
Dimension tolerance
| I.D tolerance (mm) | O.D tolerance (mm) | I.D Roughness (µm) | Straightness (mm/meter) |
| H7-H9 | -/+0.5% | 0.10-0.80 | 0.2-0.80 |
Delivery Condition: Cold drawn, Cold rolled, Stress Relieved, Annealed( Bright Annealed, Spheroidize Annealed), Normalized, Quenched and Tempered.
Surface: Black, Smooth, Bright.
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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