- Roof Tiles[1]
- Metal Building Materials[6]
- Coke Fuel[1]
- Nails[4]
- Screws[3]
- Metallurgy Machinery Parts[2]
- Other Mining Machinery[1]
- Mining Machinery Parts[1]
- Aluminum Coils[1]
- Aluminum Sheets[3]
- Steel Billets[3]
- Mineral Wool[1]
- Other Steel Products[3]
- Stainless Steel Pipes[5]
- Steel Pipes[10]
- Other Steel Profiles[10]
- Steel H-Beams[9]
- Steel Rails[1]
- Steel Rebars[8]
- Steel Sheets[10]
- Structural Steel[1]
- Steel Wire Mesh[1]
- Contact Person : Mr. Tian Kevin
- Company Name : Asia Minmetals Machinery Co., Ltd.
- Tel : 86-22-66283730
- Fax : 86-22-66283720
- Address : Tianjin,Tianjin,Floor 10, Yin Zuo Building, No. 35, Second Street ,Teda ,Tianjin, China
- Country/Region : China
- Zip : 300457
Hydraulic cylinder tube
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Seamless high-pressure hydraulic cylinders are made either from billets or tubes, The latter production process is very popular among cylinder manufacture. Cylinder tubes are provided as raw material for making cylinders.
The advantages of this cylinder are good external and internal surface quality, uniform wall thickness, light in weight, simplified process procedures, high production efficiency, high yield and low cost.
Specification of high-pressure cylinder tube
Outside Diameters (mm) | Wall Thickness (mm) |
60 | 4.5-5.5 |
70 | 4.5-7.0 |
80 | 4.5-8.0 |
102.108.114.121 | 4.5-10.0 |
123.127.140(139.7).146.152(152.4) | 4.5-12.0 |
165 | 5.0-12.0 |
168 | 5.0-14.0 |
178. 180. 182. 194. 204. 219. 223 | 5.5-15.0 |
229 | 5.5-14.0 |
232 | 6.0.8.0-18.0 |
245 | 8.0-20.0 |
255.262.267.273.279 | 7.5-21.0, 24.0-30.0 |
356 | 8.5-17.0, 20.0-27.2-, n30.0-36.0 |
406 | 8.5-22.0, 25.0-28.0, 35.0-38.0 |
559 | 16.0-27.0 |
610 | 18.0-30.0 |
630 | 18.0-30.0 |
Chemical composition:
Steel Grade | Chemical composition (%) | ||||||||||
C | Si | Mn | P | S | P+S | Cr | Mo | Ni | Cu | V | |
30CrMo | 0.20-0.34 | 0.17-0.37 | 0.40-0.70 | ≤0.030 | ≤0.025 | ≤0.050 | 0.80-1.10 | 0.15-0.25 | ≤0.20 | ||
34CrMo4 | 0.30-0.37 | ≤0.40 | 0.60-0.90 | ≤0.035 | ≤0.030 | ≤0.050 | 0.90-1.20 | 0.15-0.30 | |||
37Mn/1 | 0.36-0.40 | 0.17-0.37 | 1.50-1.75 | ≤0.030 | ≤0.025 | ≤0.050 | ≤0.30 | ≤0.20 | |||
37Mn/2 | 0.34-0.38 | 0.17-0.37 | 1.45-1.70 | ≤0.030 | ≤0.025 | ≤0.050 | ≤0.30 | ≤0.20 | |||
37Mn/3 | 0.30-0.37 | 0.17-0.37 | 1.40-1.75 | ≤0.035 | ≤0.035 | ≤0.050 | ≤0.30 | ≤0.10 | ≤0.30 | ≤0.20 | 0.07-0.12 |
Hydraulic cylinder tube
