SAF Filcord 36E description: FILCORD 36E is used for welding of similar composition steels used in power generation and chemical plant applications for service temperatures up to 550C. Also suitable where resistance to hydrogen attack by sulphur bearing crude oil is required. Main applications are boiler, plate and tube steels as well as for the welding of quenched and tempered and case hardening steels, 13CrMo4-5 or ASTM A335 P11/P12.