M14ArCO5/2 welding gas mixture meeting the requirements of ISO14175. Our M14 range contains 2% Oxygen and 5% Carbon dioxide in Argon. Ideal for MAG welding of carbon steels. Supplied in a 47 litre steel cylinder at 200 bar. - M14ArCO5/2 - Welding Mixture - 47 Litre Steel Cylinder (200 bar) - Air Products