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Tube specification 

 

Precision Steel Tube for Oil Hydraulic/ Precisión de aceite hidráulico de tubos

Model No.︰BS-PCST
Brand Name︰BS
Country of Origin︰China
Unit Price︰US $ 850 / ton
Minimum Order︰5 ton
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Product Description
Precision Carbon Steel Tube for Oil Hydraulic Tube 
Standard::DIN2391, ASTM A179, JIS G3455, DIN1630, OST-II TUBE
Steel Grade::ST37.0, 10#, A179, SAE1010, STPG 370, St 37.4, OST-2, STS 370, OST-II
Size Range::OD: 4-50, WT: 1-10.0
Delivery Condition::NBK, Bright heat treatment
Surface Quality::Bright, Glossy
Delivery Time::30-60 Days
Packing Style::wood case, plastic bags, On your request
Terms of Payment::30% T/T
Precision Carbon Steel Tube for Oil Hydraulic Tube (OST-2) (OST-II TUBE)

 

Feature OST-II TUBE

  1. High quality and quick delivery
    We deliver high quality 'Precise carbon steel tube for Hydraulic tube' by a short delivery date with a consistent quality assurance flow from manufacturing to inspection.
  2. Nondestructive test
    We will never overlook injurious defects by nondestructive test (eddy current inspection) for all materials.
  3. Bright heat treatment
    Inner and Outer surface of the tube become scaleless because we use bright annealing furnace for final heat treatment.
  4. Special wrapping on small amount
    On your request, we seal up products by plastic bags. This wrapping excels in stock and rust prevention when you use only a necessary small amount.
  5. Application

    • For high, medium and low pressure oil service
    • Hydraulic cylinder
    • Construction of chemical plant
    • Pipe work
    • Mechanical engineering use
    • Steam boilers
    • Pressure vessels
    • Car oil pressure

Chemical composition OST-II TUBE

 

C Si Mn P S Cu
0.08
- 0.18
0.10
- 0.35
0.30
- 0.60
0.035
or less
0.035
or less
0.20
or less

Mechanical properties OST-II TUBE

 

 

Tensile strength Yield point Elasticity
440N/mm2 or less 195N/mm2 or more 35% or more

 

Standard size OST-II TUBE

Standard size (4,000mm in length) is blue parts in the table below.
We correspond with your request out of standard size.

(mm) Thickness 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 7.0 8.0, 9.0 10.0
Outer diameter Tolerance ±15% ±10%
4.0 ±0.1                              
6.0                              
8.0                              
10.0                              
12.0                              
15.0                              
18.0                              
22.0                              
28.0 ±0.15                              
35.0                              
42.0 ±0.2                              
50.0                              


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