Molybdenum na Chromium Molybdenum na-eguzogide okpomọkụIgwe ịgbado ọkụElectrode
R406
GB/T E6016-B3
AWS A5.5 E9016-B3
Description: R406 bụ pearlitic okpomọkụ na-eguzogide ígwè electrode na obere-hydrogen potassium mkpuchi nwere 2.5% Cr - 1% Mo.Ma AC na DC nwere ike iji, na ike welded na niile ọnọdụ.The weldment ga-preheated ka 160 ~ 200 Celsius C tupu ịgbado ọkụ.
Ngwa: Eji maka ịgbado ọkụ Cr2.5Mo pearlitic okpomọkụ na-eguzogide ígwè, dị ka elu okpomọkụ na elu-nrụgide pipeline na-arụ ọrụ okpomọkụ n'okpuru 550 Celsius C, sịntetik chemical igwe, na mmanụ ụgbọala cracking ngwá.
Ngwakọta kemịkalụ nke igwe weld (%):
C | Mn | Si | Cr | Mo | S | P |
0.05 ~ 0.12 | 0,50 ~ 0,90 | ≤0.50 | 2.00 ~ 2.50 | 0.90 ~ 1.20 | ≤0.030 | ≤0.030 |
Njirimara nke igwe weld metal:
Nwalee ihe | Ike ọdụdọ Mpa | Mpụta ike Mpa | Ogologo oge % | Uru mmetụta (J) Okpomọkụ nkịtị. |
Ekwenyere | ≥590 | ≥490 | ≥15 | ≥47 |
Mgbasa hydrogen ọdịnaya nke ọla edobere: ≤4.0mL/100g (glycerin usoro)
Nyocha x-ray: akara ule
Akwadoro ugbu a:
Dayameta mkpanaka (mm) | 2.5 | 3.2 | 4.0 | 5.0 |
ịgbado ọkụUgbu a (A) | 60 ~ 90 | 90 ~ 120 | 140 ~ 180 | 170-210 |
Mara:
1. The electrode ga-abụọ maka 1 hour na gburugburu 350 ℃ tupu ịgbado ọkụ ọrụ;
2. Ọ dị mkpa iji kpochaa nchara, ọnụ ọgụgụ mmanụ, mmiri na adịghị ọcha na akụkụ ịgbado ọkụ tupu ịgbado ọkụ.