Cylinder tube

cylinder pipe



Seamless high-pressure cylinders are made either from billets or tubes. The latter production process is very popular among cylinder manufacturer. Cylinder tubes are provided as raw material for making cylinders.

Specification of high-pressure cylinder tube.

 

O.D(mm) W.T(mm)
60 4.5-6.5
70 4.5-7.0
89 4.5-8.0
101.6,108,114 3.2-10.0
123,127,140(139.7),146,152(152.4) 3.2-12.0
165 5.0-12.0
168 5.0-14.0
178,180,182,194,204 5.5-15.0
229 5.5-14.0
232 5.4-18.0
245 5.5-20.0
255,262,267,273,279 6.3-21.0
356 7,7.4,7.5-36.0
406 8,8.5-38.0
559 16.0-27.0
610 18.0-30.0
630 18.0-30.0

 

STEEL GRADE C Si Mn P P+S  Cr Mo V Ni Cu
37Mn 0.34~0.40 0.10~0.30 1.35~1.75 ≤0.020 ≤0.010 ≤0.025 ≤0.30 - - ≤0.30 ≤0.20
34Mn2V 0.30~0.37 0.17~0.37 1.40~1.75 ≤0.020 ≤0.010 ≤0.025 ≤0.30 - 0.07~0.12 ≤0.30 ≤0.20
30CrMo 0.26~0.34 0.17~0.37 0.40~0.70 ≤0.020 ≤0.010 ≤0.025 0.80~1.10 0.15~0.25 - ≤0.30 ≤0.20
35CrMo 0.32~0.40 0.17~0.37 0.40~ 0.70 ≤0.020 ≤0.010 ≤0.025 0.80~1.10 0.15~0.25 - ≤0.30 ≤0.20
34CrMo4 0.30~ 0.37 ≤0.40 0.60~0.90 ≤0.020 ≤0.010 ≤0.025 0.90~1.20 0.15~0.30 - ≤0.30 ≤0.20