Precision OST-2 Carbon Steel Tube for Hydraulic Tube Seamless Tube St37.4
FeatureOST is "Carbon steel precision tube for hydraulic line service". Of the hydraulic piping, this tube mainly has been used in the piping of using flared type pipe fittings or bite type pipe couplings.
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Standard size
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 | ||||||||||||||||


Chemical composition
| 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
| Tensile strength | Yield point | Elasticity |
| 440N/mm2 or less | 195N/mm2 or more | 35% or more |
CONTACT US
We will provide you with high quality and low price, and we also offer good service. If our products can meet your needs, please contact us freely. We are looking forward to cooperating with you, and welcome your inquiry!
Jay Hou
Sales department
Liaocheng Kuncheng steel pipe CO., Ltd.
Room A0816 ChuangYe Building,
Liaocheng City,Shandong Province,China
Tel&Fax:0635-2930669
Mobile:0086-13184174934
Wechat&Whatsapp :13184174934
Skype:live:mrhrc
Send Inquiry to This Supplier
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