Electrode igwe anaghị agba nchara dị ala
W707
GB/T E5015-G
AWS A5.5 E7015-G
Description: W707 bụ obere okpomọkụ ígwè electrode na ala-hydrogen sodium mkpuchi.Jiri DCEP (nke dị ugbu a nke ọma) ma nwee ike ịgbanye ya n'ọnọdụ niile.Ọla edobere ka nwere mmetụta siri ike na -70 Celsius.
Ngwa: Ejiri ya maka ịgbado ọkụ dị ala dị ka 2.5Ni.
Ngwakọta kemịkalụ nke igwe weld (%):
| C | Mn | Si | Ni | S | P |
| ≤0.08 | ≤1.25 | ≤0.60 | 2.00 ~ 2.75 | ≤0.020 | ≤0.025 |
Njirimara nke igwe weld metal:
| Nwalee ihe | Ike ọdụdọ Mpa | Mpụta ike Mpa | Ogologo oge % | Uru mmetụta (J) -70 ℃ |
| Ekwenyere | ≥490 | ≥390 | ≥22 | ≥27 |
Mgbasa hydrogen ọdịnaya nke ọla edobere: ≤6.0mL/100g (glycerin usoro) ma ọ bụ ≤10mL/100g (mercury ma ọ bụ gas chromatography usoro)
Nyocha x-ray: akara ule
Akwadoro ugbu a:
| (mm) Dayameta mkpanaka | 2.0 | 2.5 | 3.2 | 4.0 | 5.0 |
| (A) Welding Ugbu a | 40 ~ 70 | 70 ~ 100 | 90 ~ 120 | 140 ~ 180 | 170-210 |
Mara:
1. The electrode ga-abụọ maka 1 hour na 350 ℃ tupu ịgbado ọkụ ọrụ;
2. Gbalịa iji obere ike akara mgbe ịgbado ọkụ, multi-layer na multi-pass ịgbado ọkụ.
