1. Seamless steel Oxygen cylidner With the world class equipment and advanced technical process, our factory can produce large, medium, small sizes high pressure seamless cylinders which range from 8-35Mpa in working pressure, 0.4-120L in water liter. our seamless steel cylinder has reliable quality, clear stamping, consistent height and elegant appearance. Serial No.TypeNominal working Pressure(MPa)Water test pressure(MPa)Volume(L)Nominal Outer Dia(mm)DesignLength(mm)Weight(kg)Material for cylinderCarry out standardWallThickness(mm)1WMA140-4-15152541403.63956.737MnISO98092WMA140-5-15152551404557.537Mn3WMA140-6.7-1515256.71405859.737Mn4WMA140-8-15152581406801137Mn5WMA159-8-15152581594.554510.537MnISO98096WMA159-10-151525101596751337Mn7WMA159-15-151525151599551837Mn8WMA219-20-151525202195.77152837MnISO98099WMA219-32-1515253221910753937Mn10WMA219-36-15152536219119542.537Mn11WMA219-38-1515253821912454537Mn12WMA219-40-15152540219130546.537Mn13WMA219-45-15152545219145552.537Mn14WZA267-68-15152568267615007434Mn2VISO980915WZA267-70-1515257026715407634Mn2V16WZA267-80-1515258026717408434Mn2V17WZA267-82-1515258226717808634Mn2V18WZA279-60-151525602797.612707730CrMoISO980919WZA279-70-15152570279146087.530CrMo20WZA279-80-1515258027916509830CrMo21WMA232-40-202030402324.5/5.5120048.534CrMo4ISO980922WMA232-47-2020304723213855534CrMo423WMA232-50-2020305023214605834CrMo423WMA232-50-1515255023214605837Mn 2. The standard include GB5099 Standard;ISO9809 Standard;DOT-3AA Standard;EN1964 Standard. 3. Our products include follows: Seamless steel cylinder, Oxygen Cylinder; Acetylene Cylinder; CNG cylinder; SCBA cylinder; Beverage Cylinder; Industrial Specialty Cylinder; Paintball Cylinder.