Gas Cylinder 1.Materials:37Mn 2.Standard:ISO9809-33. 3.Water Capacity:10L,40L,50L 4.Pressure:150bar/200bar Gas Cylinder Industrial Gas Cylinders 40L 50L Our high-pressure seamless steel gas cylinder is ideal for holding permanent gas and high pressure liquefied gas, such as oxygen, nitrogen, argon, hydrogen and carbon dioxide. These steel gas cylinders can be divided into large, medium, small ...