hat
Tipaciers en 409 dwe ki te fèt avan apa pou tanperati de 150 260 ° C devan soudi.Pran swen yo ta dwe pwan pou soude klas 409 aciers avèk minimòm chalè pou bese blekwasans.Ductilité de soudé pwodwi yo amelyore pa recuit pòs-soudi nan menm tanperatif 760 815° c
eng
409 stainless steels must be pre-heated to temperatures of 150 to 260°C before welding. Care should be taken to weld grade 409 steels with minimum heat, in order to mitigate grain growth.Ductility of the welded products can be improved by annealing post-welding at temperatures of 760 to 815°C.