E9015-B3 obere ihe eji agbado ígwè

AWS: SFA 5.5 E9015-B3Electrodes maka ígwè ndị na-eguzogide creep

E tinyere obere elektrọd hydrogen 2.25Cr – 1Mo nke nwere ike ịgbado ọkụ, na-egosipụta ike dị egwu na iguzogide mmiri na okpomọkụ dị elu ruo 575C. A na-eji ya agbado ọkụ 21/4 Cr-1 Mo nke na-eguzogide mmiri na ígwè Cr-Mo-V nke na-eguzogide mmiri na hydrogen n'okpuru nrụgide yana maka ígwè a kpụrụ akpụ nke nwere ihe mejupụtara yiri nke ígwè ịgbado ọkụ. Ihe ndị a na-ejikarị eme ihe gụnyere owuwu nke steam boiler, ịgbado ọkụ nke steam na ọkpọkọ super-heater, ụlọ ọrụ ike, ụlọ ọrụ mmanụ na ụlọ ọrụ kemịkalụ.

Ihe mejupụtara kemịkalụ nke ígwè niile e ji welded mee (%)

Njirimara MEKANỊKỤ nke Ígwè Weld niile

(PWHT: 690°C maka otu awa)

DATA UGBU A NA NKWAKỌTA: DC (+)

Ịkpachara Anya

1. Kpoo elektrọd ndị ahụ ọzọ na okpomọkụ 250-300 C ruo otu awa, dịka anyị si kwuo.

2. Jiri obere arc na stringer bead mee ihe.