Oil Hydraulic OST-II OST-2 NBK Bright Annealed Tube
Oil Hydraulic Tube,OST-II TUBE / OST-2, NBK type ,
Yuhong Group already supply our high precision seamless tube to Auto application many years , the tube was used to make oil tube line support, oil tube , shaft at the bottom of car , and e bend support,......
Feature OST-II TUBE
A.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.
B.Nondestructive test
We will never overlook injurious defects by nondestructive test (eddy current inspection) for all materials.
C.Bright heat treatment
Inner and Outer surface of the tube become scaleless because we use bright annealing furnace for final heat treatment.
D. 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.
E. 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 | ||||||||||||||||
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
