Product Name | Hydraulic cylinder barrel /honed tube/ seamless carbon steel pipe |
Material | CK45, C20,ST52,E355 |
Delivery Condition | BK, BK+S, GBK, NBK |
Straightness | ≤ 0.5/1000 |
Roughness | 0.2-0.4 u |
Diameter | 6mm – 1000mm |
Length | 1000mm – 12000mm |
Tolerance EXT | DIN2391, EN10305, GB/T 1619 |
Tolerance INT | H7, H8, H9 |
Shape T | Round |
Technology | perforation /acid pickling / phosphorization /cold drawn /cold rolled /annealing/ anaerobic annealing |
Protection | anti-rust oil on inside and outside surface, plastic caps in both ends. |
Used | Hydraulic Cylinders |
Packing: | bundle with steel strip and PE sheet package or wooden case. |
Size: | Ø 6-300mm |
Length: | 1m -9m |
Material: | CK45/ ST52/ 20MnV6/ 42CrMo4/ stainless steel |
Tolerance | ISO f7 |
Chrome thickness: | 20~30micron |
Hardness of the chrome layer: | 800HV(min) |
Roughness: | Ra 0.2micron (max) |
Straightness: | 0.2/1000mm |
Yield Strength | ≥350 Mpa |
Tensile Strength | ≥580 Mpa |
Elongation | ≥ 15% |
Supply condition: | 1.Hard chrome plated |
2.Induction hardened | |
3.Quenched & Tempered | |
4.Induction hardened with Q&T |
Chrome Plated Rod
Hydraulic Honed Tubes
Hard Chrome Steel Bar
Single Acting Hydraulic Cylinder
Induction Hardened Chromed Rod
Hydraulic Press Cylinder
Chrome Plated Tube
Custom Hydraulic Cylinders
Skived-and-Roller-Burnished-Tube
Aluminum foil core
pump housing
About us
Jiangsu YingNaiSi Machinery Manufacturing Co., Ltd. (Jiangsu YingNaiSi) was founded in 2005,with covering an area of more than 23000 Square meters,and more than 100 employees.Cold drawn and cold rolled precision seamless steel pipes and Hydraulic cylinder are our main products。Our annual output has reached over 15000tons.
Our products are extensively applied in hydraulic pressure of engineering machinery, pneumatic linear actuators, petroleum oil-well pump cylinders, micro-motor shell, lubricating oil ball sweep systems, aluminum foil mandrel, high pressure gas cylinders, automotive shaft, textile, printing and dyeing, glass packaging, transmission roller and other fields.
We have obtained ISO 9001 Quality Certificate and ISO 14000 with annual export of more than 80 million tons. Our products are exported to Southeast Asia, Europe, Middle East and other countries with a good reputation..
