Transportable gas containers. Specification for seamless steel gas containers of water capacity 0.5 L up to 15 L for special portable applications|Design calculations, Thermal testing, Ultrasonic testing, Unalloyed steels, Pressure, Steels, Production, Approval testing, Portable, Thickness measurement, Pressure vessels, Flaw detection, Hardness testing, Marking, Gas pressure vessels, Inspection, Tensile strength, Alloy steels, Hydraulic tests, Elongation, Transportable, Tensile testing, Chemical composition, Gas cylinders, Heat treatment, Pressure testing, Design, Certificates of conformity, Containers, Volume measurement, Fire extinguishers, Bend testing, Gases, Valves, Thickness, Gas storage, Mechanical properties of materials, Breathing apparatus, Yield stress, Transportation