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China factory - Jiangsu Hongbao Group Co., Ltd.

Jiangsu Hongbao Group Co., Ltd.

  • China ,Jiangsu
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  3. E235 EN10305-2 WT15 Cold Drawn Welded Tubes with Good Mechanical Properties and
China E235 EN10305-2 WT15 Cold Drawn Welded Tubes with Good Mechanical Properties and
China E235 EN10305-2 WT15 Cold Drawn Welded Tubes with Good Mechanical Properties and

  1. China E235 EN10305-2 WT15 Cold Drawn Welded Tubes with Good Mechanical Properties and
  2. China E235 EN10305-2 WT15 Cold Drawn Welded Tubes with Good Mechanical Properties and
  3. China E235 EN10305-2 WT15 Cold Drawn Welded Tubes with Good Mechanical Properties and
  4. China E235 EN10305-2 WT15 Cold Drawn Welded Tubes with Good Mechanical Properties and
  5. China E235 EN10305-2 WT15 Cold Drawn Welded Tubes with Good Mechanical Properties and
  6. China E235 EN10305-2 WT15 Cold Drawn Welded Tubes with Good Mechanical Properties and
  7. China E235 EN10305-2 WT15 Cold Drawn Welded Tubes with Good Mechanical Properties and

E235 EN10305-2 WT15 Cold Drawn Welded Tubes with Good Mechanical Properties and

  1. MOQ： 1 ton
  2. Price： Negotiable
  3. Get Latest Price
Supply Ability 60000 MT per Year
Delivery Time 30-45 Days
Packaging Details Seaworthy Wooden box, customized Packing
Payment Terms L/C,T/T
Material E235
Shape Round
Delivery Condition +C,+LC，+SR，+N，+A
Standard EN10305-2
Type: Welded or Seamless
Thickness: 0.5-15mm
Brand Name Hongbao
Model Number HB-WT-001
Certification TS16949, ISO9001, OHSAS18001 etc.
Place of Origin China

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  1. Product Details
  2. Company Details

Product Specification

Supply Ability 60000 MT per Year Delivery Time 30-45 Days
Packaging Details Seaworthy Wooden box, customized Packing Payment Terms L/C,T/T
Material E235 Shape Round
Delivery Condition +C,+LC，+SR，+N，+A Standard EN10305-2
Type: Welded or Seamless Thickness: 0.5-15mm
Brand Name Hongbao Model Number HB-WT-001
Certification TS16949, ISO9001, OHSAS18001 etc. Place of Origin China
High Light welding round tubing ，cold drawn welded tubes
E235 EN10305-2 WT15 Straight Mild Cold Drawn Welded Tubes
High precision cold drawn welded tubes with excellent mechanical properties, ideal for hydraulic systems and precision machining applications.
Product Overview
Cold drawn welded pipe represents an optimal choice for multistage hydraulic cylinder tubes. The manufacturing process combines precision resistance welding (ERW) with cold drawing techniques, producing steel tubes that meet EN 10305-2 European mechanical standards for cold drawn welded steel tubes.
Following resistance welding, the entire pipe undergoes normalizing heat treatment to ensure uniform metallographic structure and mechanical properties throughout the weld, heat-affected zones, and base material. Subsequent cold drawing and stress-relief heat treatment provide excellent dimensional accuracy and mechanical characteristics.
Technical Specifications
Material E235
Alternative Materials E355
Standard EN10305-2
Delivery Conditions +C, +LC, +SR, +N, +A
Size Range Outer Diameter: φ6-φ80 mm
Wall Thickness: 0.5-10 mm
Applications Automotive components, hydraulic systems, high-precision machining
Key Advantages
  • Superior dimensional accuracy and shape consistency
  • Enhanced surface quality
  • Tight eccentricity and wall thickness tolerances
  • Excellent low-temperature toughness
  • 90% of hydraulic cylinders in the US market utilize welded tubes
  • Cost-effective fixed length options
Chemical Composition
Steel Number Quality Level Thickness (mm) Deoxidize Method C (%) ≤ Si (%) ≤ Mn (%) ≤ P (%) ≤ S (%) ≤
E185 (Fe310) 0 - - - - - - -
E235 (Fe360) A ≤16 N 0.22 - - 0.050 0.050
B ＞16-25 - 0.17 0.40 1.40 0.045 0.045
C ≤40 - 0.20 0.40 1.40 0.045 0.045
D ＞40 E 0.17 0.40 1.40 0.045 0.045
D ＞40 NE 0.20 0.40 1.40 0.045 0.045
D ＞40 NE 0.17 0.40 1.40 0.040 0.040
D ＞40 GF 0.17 0.40 1.40 0.035 0.035
E235 EN10305-2 WT15 Cold Drawn Welded Steel Tubes

Company Details

Bronze Gleitlager

,

Bronze Sleeve Bushings

 and 

Graphite Plugged Bushings

 from Quality China Factory

  • 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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  • Jiangsu Hongbao Group Co., Ltd.
  • DAXIN TOWN,ZHANGJIAGANG,JIANGSU P.R.CHINA
  • https://www.weldedsteel-tube.com/

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