Precision Carbon Steel Tube for Oil Hydraulic Tube (OST-2) (OST-II TUBE)
Precision Carbon Steel Tube for Oil Hydraulic Tube (OST-2) (OST-II 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
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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.
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Nondestructive test
We will never overlook injurious defects by nondestructive test (eddy current inspection) for all materials.
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Bright heat treatment
Inner and Outer surface of the tube become scaleless because we use bright annealing furnace for final heat treatment.
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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.
- 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 |
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| 6.0 |
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| 8.0 |
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| 10.0 |
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| 12.0 |
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| 15.0 |
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| 18.0 |
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| 22.0 |
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| 28.0 |
±0.15 |
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| 35.0 |
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| 42.0 |
±0.2 |
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| 50.0 |
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http://din2391.cn/post/31.html to learn more.
---- Josen Richmond Dong
Jiangsu Tiancheng Group Limited & Changzhou TC Motor Technology Co.,Ltd.
