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JIS G3429 cylinder tube
Seamless high-pressure 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 JIS G3429 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 |
JIS G3429 cylinder tube
