Factory Production
Custom Hydraulic Cylinder / Pneumatic Cylinder ( we produce as per client’s drawing or design with technical requirements.) | |
Application: | Engineering machinery, mine, shipping, metallurgy, water conservancy, offshore, agriculture, etc. |
Stroke: | 50mm to 16000mm |
Bore: | 40mm to 1000mm ( 1 ½’’ – 40’’) |
Shaft: | 12mm to 500mm ( ½’’ -20’’) |
Work pressure: | 16Mpa to 70Mpa (2250 PSI – 10150 PSI) |
Seal: | Hallite, Parker, Merkel, DingZing, etc. |
Paint: | Red, Grey, Yellow, Black, etc. |
Material: | St52, CK45, 4140, Duplex2205, Stainless Steel 304/316, etc. |
Certificate: | ABS, Lloyds, SGS, etc. |
Tips: OEM service provided. We also can design by ourselves. We also produce hydraulic system, hydraulic power units. | |
1.Descriptions of Chrome Plated Shaft
Size | 25.4~100mm |
Length | 0.2m~2m |
Material | 45#DIN CK45/JIS 45C |
Tolerance | ISO f7 |
Chrome Thickness | 25~30micron |
Hardness of The Chrome Layer | 45~50HRC |
Roughness | Ra0.4micron |
Straightness | 0.2/1000mm |
Yield Strength | ≥320Mpa |
Tensile Strength | ≥580Mpa |
Elongation | ≥15% |
Supply Condition | 1.Hard chrome plated |
| 2.Induction hardened |
| 3.Quenched&Tempered |
| 4.Induction hardened with Q&T |
2. Chemical Composition
| Material | C% | Mn% | Si% | S% | P% | V% | Cr% |
| CK45 | 0.42-0.50 | 0.50-0.80 | 0.04 | 0.035 | 0.035 | ||
| ST52 | 0.22 | 1.60 | 0.55 | 0.035 | 0.04 | ||
| ST37 | 0.17 | 1.60 | 0.55 | 0.04 | 0.04 | ||
| 20MnV6 | 0.16-0.22 | 1.30-1.70 | 0.10-0.50 | 0.035 | 0.035 | 0.10-0.20 | |
| 42CrMo4 | 0.38-0.45 | 0.60-0.90 | 0.15-0.40 | 0.03 | 0.03 | 0.90-1.20 | |
| 40Cr | 0.37-0.45 | 0.50-0.80 | 0.17-0.37 | 0.08-1.10 |
hydraulic cylinder parts
Our Machining process
Our Test method
Our Packing and Shipping
About Our Company
Dandong Hengrui located in Dandong city which is the most beautiful frontier city. Here we are close to Danda highway, about 5 km away from Dadonggang port, and 12 km from Dandong airport where the land, sea and air transportation is very convenient. Here the climate is pleasant and scenery is good, we can see the Democratic People's Republic of Korea over the Yalu River.