AWS E9015-B9 Mkpanaka Ịgbado Arc Mkpanaka Ịgbado Electrodes Ihe Njupụta Metal

Molybdenum na Chromium Molybdenum nke na-eguzogide okpomọkụ site na ígwè ịgbado ọkụ

R717                                                     

AWS A5.5 E9015-B9

Nkọwa: R717 bụ elektrọd ígwè na-eguzogide okpomọkụ nke nwere mkpuchi sodium dị ala nke nwere 9% Cr – 1% Mo-V-Nb. Jiri DCEP (elektrọd ugbu a positive) ma nwee ike ịgbado ọkụ n'ọnọdụ niile. N'ihi mgbakwunye nke obere Nb na V, ígwè e tinyere na ya nwere ezigbo iguzogide okpomọkụ dị elu.

Ngwa: A na-eji ya agbakọta ọkpọkọ ndị a na-ekpo oke ọkụ na isi nke ihe na-ekpo ọkụ dị elu na nke nwere nrụgide dị elu, dịka A213-T91/A335-P1 (T/P91), A387Cr, 91 na ihe owuwu ígwè ndị ọzọ na-eguzogide okpomọkụ.

Ngwakọta kemịkalụ nke ígwè weld(%):

Rịba ama: Mn+Ni＜1.5%

Njirimara mekaniki nke igwe weld:

Ugbu a akwadoro:

Rịba ama:

1. A ga-emerịrị electrode ahụ ruo otu awa na 350℃ tupu a rụọ ọrụ ịgbado ọkụ;

2. Ọ dị mkpa ihicha ihe ndị ruru unyi, mmanụ, mmiri, na ihe ndị na-adịghị mma dị n'akụkụ ịgbado ọkụ tupu ịgbado ọkụ.

3. Kpoo akụkụ ịgbado ọkụ ahụ ọkụ na 200 ~ 260°C tupu ịgbado ọkụ, ma debe okpomọkụ interpass kwekọrọ na ya;

4. Jiri nwayọ jụọ oyi ruo 80 ~ 100°C ruo awa abụọ mgbe ị gbanyere ya; ọ bụrụ na enweghị ike ime ọgwụgwọ okpomọkụ ozugbo enwere ike, enwere ike ịme ọgwụgwọ dehydrogenation na 350°CX awa 2.