Oerlikon Univers description: UNIVERS is a basic coated MMA electrode depositing comparatively low tensile strength and high toughness weld metal. Recommended for avoiding cracking when welding highly restrained structural members with large weld cross sections or when stress relieving is not possible. Available in Cartoon Box and Vacuum Pack. UNIVERS is special indicate for welding or repair Low / Yield straight Ammonia tanks. Material to be welded S(P)235-S(P)420, GP240-GP280.