SFA-5.23/SFA-5.23M
SFA-5.23/SFA-5.23M (Specification for low-alloy and high manganese steel electrodes and fluxes for submerged arc welding)· ASME (États-Unis) · 186 matériaux
SFA-5.23/SFA-5.23M (Specification for low-alloy and high manganese steel electrodes and fluxes for submerged arc welding)· ASME (États-Unis) · 186 matériaux