Yuhong Group Co.,Ltd
| Payment Terms | TT , LC |
| Supply Ability | 200 Tons / Month |
| Delivery Time | 7---60 days |
| Packaging Details | Wooden box or In bundles |
| Standard | DIN2391, ASTM A179, JIS G3455, DIN1630, OST-II TUBE |
| Material Grade | ST37.0, 10#, A179, SAE1010, STPG 370, St 37.4, OST-2, STS 370, OST-II |
| Size | OD:4mm to 76mm , thickness :0.5mm to 20mm |
| Delivery Condition | NBK, Bright heat treatment |
| Surface | Bright, Glossy |
| Brand Name | YUHONG |
| Model Number | ST37.0, 10#, A179, SAE1010, STPG 370, St 37.4, OST-2, STS 370, OST-II |
| Certification | PED , TUV , ISO , TS |
| Place of Origin | CHINA |
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Product Specification
| Payment Terms | TT , LC | Supply Ability | 200 Tons / Month |
| Delivery Time | 7---60 days | Packaging Details | Wooden box or In bundles |
| Standard | DIN2391, ASTM A179, JIS G3455, DIN1630, OST-II TUBE | Material Grade | ST37.0, 10#, A179, SAE1010, STPG 370, St 37.4, OST-2, STS 370, OST-II |
| Size | OD:4mm to 76mm , thickness :0.5mm to 20mm | Delivery Condition | NBK, Bright heat treatment |
| Surface | Bright, Glossy | Brand Name | YUHONG |
| Model Number | ST37.0, 10#, A179, SAE1010, STPG 370, St 37.4, OST-2, STS 370, OST-II | Certification | PED , TUV , ISO , TS |
| Place of Origin | CHINA | ||
| High Light | NBK Bright Annealed Tube ，OST-2 Bright Annealed Tube ，OST-II 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,......
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
| 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 | ||||||||||||||||
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Importer,Exporter,Trading Company,Seller,Other
Year Established:
2007
Total Annual:
50M-70M
Employee Number:
50~850
Ecer Certification：
Verified Supplier
YUHONG HOLDING GROUP is one of the largest Procurement, Engineering & Contracting Group companies in China. Our group branch company and factory have been already approved by : ABS, LR, DNV, GL, BV, CCS, KR, PED 97/23/EC, AD2000-WO, GOST9941-81, CCS, TS, CNNC, ISO9... YUHONG HOLDING GROUP is one of the largest Procurement, Engineering & Contracting Group companies in China. Our group branch company and factory have been already approved by : ABS, LR, DNV, GL, BV, CCS, KR, PED 97/23/EC, AD2000-WO, GOST9941-81, CCS, TS, CNNC, ISO9...
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