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Quick Details

  • Standard: DIN
  • Standard2: DIN 2391, DIN EN 10305
  • Grade Group: 10#-45#, ST35-ST52
  • Grade: 20#, 45#, ST35, St45, St52
  • Thickness: 2 - 40 mm
  • Section Shape: Round
  • Outer Diameter(Round): 30 - 450 mm
  • Place of Origin: Hubei, China (Mainland)
  • Secondary Or Not: Non-secondary
  • Application: hydraulic pressure, pneumatic cylinder, oil pump barrel, motor body
  • Technique: Cold Rolled
  • Certification: ISO 9001, ISO/TS 16949
  • Surface Treatment: polished
  • Special Pipe: Thick Wall Pipe
  • Alloy Or Not: Non-alloy
  • Main markets: North and South American, South Africa, Europe, South East Asia, etc.
  • Usage: Hydraulic Cylinder
  • Material: carbon steel, alloy steel, stainless steel
  • Keyword: honed tube
  • Surface: Black, smooth or bright
  • Production Technique: Cold drawn, cold rolled, honing, skiving
  • Size: OD: 30-450mm; WT: 2-40mm
  • Inspection: The third party is acceptable

Packaging & Delivery

Packaging Details With anti-rust oil on inner diameter of each pipe,tube caps on both ends, hexagonal bundles of max 3,000 kg with several steel strips, nylon bag and waterproof paper package each bundle. Of course, customers can customize other packing way.
Delivery Time within 10-30 days after confirmed

honed tube and skived tube for Hydraulic Cylinderr, OD: 30-450mm; WT: 2-40mm, Small MOQ available

 

honing/skiving tube has closer dimensional tolerances, better surface finish and higher mechanical properties than corresponding grades of hot finished seamless.

 

Application

High Precision Cold Drawned Seamless Steel Tube is used in automotive industry, and in the occasion where the high accuracy, brightness, cleanness of the tube are required.

 

Quality Standard  

DIN 2391, EN 10305-1,  SAE J524, ASTM A519 and GB3639

 

Delivery Condition: BKS, NBK, BK and BKW

 

Outer Diameter: 30-450 mm 

Wall Thickness:  2-40 mm

 

Length Random Length, Fixed Length, etc.

 

Steel  Grade

1020, 1045, 4140, ST52, ST52.3, E355, SAE1026, Q345B and so on.

*Low temperature impact test upon request (27J/-20°C).

 

Size

Processing Cylinder diameterLength /mmStraightnessSize accuracyWall thickness/mmInner boreroughness
Cold Drawn/RolledID28~OD400≤12M0.3~1.0m m/m H8-H11±5%0.8~1.6um
Honed/SRB
ID30~OD450≤12M0.3~1.0m  m/m  H8±5%0.4~0.8um

 

Inner hole size tolerance

ID sizeID deviation (mm)
H7H8H9H10
300.0210.0330.0520.084
>30~500.0250.0390.0620.1
>50~800.030.0460.0740.12
>80~1200.0350.0540.0870.14
>120~1800.040.0630.10.16
>180~2500.0460.0720.1150.185
>250~3150.0520.0810.130.21
>315~4500.05270.0890.14

0.23 

Product Description

 

Packaging & Shipping

Packing 

With anti-rust oil on inner diameter of each pipe,tube caps on both ends, hexagonal bundles of max 3,000 kg with several steel strips, nylon bag and waterproof paper package each bundle. Of course, customers can customize other packing way.

Our Services

 

 

Company Information

Our Advantages:
·  Fast delivery
·  Non-standard sizes and made-to-order
·  Small min order quantity
·  Economical Pricing
·  Quality confirming to International Standards
·  Material Test Certificates for Quality Assurance
·  Technical Qualified After Sales
·  Excellent Delivery Conditions

 

 

 

 

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