... dioxide CO2 Gas Cylinder 1.Seamless Steel Gas Cylinder 2.WC:10-80L 3.WP:25-30MPA Seamless Steel Gas Cylinder------carbon dioxide ... liquefied gases of oxygen, hydrogen, argon and carbon dioxide. The major part of our Seamless Steel Gas Cylinder ... , metallurgical, mechanical,medical, scientific research and building industuries.Remarks 1) Material: 37Mn, 34Mn2V, 30CrMo, 34CrMo42) Outside diameter: 108 ...