ISO9809 232-50-166.7 1.Material:30CrMo 2.OD:232mm,V:50L,S:5.5mm,L:1500mm,WP:166.7Bar 3.High quality and best price ... has become a major base in China for manufacture of gas cylinder.Standard:ISO9809-1,Outside Diameter:232mm, Water capacity:50L, Wall thickness ... :5.5mm, Material:34Mn2V, Height:1500mm, Weight:62kg, Working Pressure:166.7bar, Testing Pressure:250Bar ISO9809 232-50-166.7 gas cylinder