Nickel da Nickel Alloy Welding Electrode
Ni307-7
GB/T ENi6152
AWS A5.11 ENiCrFe-7
Bayani: Ni307-7 na'urar lantarki ce mai tushen nickel tare da murfin sodium low-hydrogen.Yi amfani da DCEP (lantarki na yanzu kai tsayetabbatacce).Yana da kyakkyawan aikin walda tare da barga mai ƙonewa, ƙarancin spatter, sauƙin cire slag,da kyau weld.Ƙarfin da aka ajiye yana da barga na kayan inji da kyakkyawan juriya na lalata a cikioxidizing high-zazzabi da sulfur-dauke da yanayi.
Aikace-aikace: Amfani da makaman nukiliya injiniya, sulfuric acid, nitric acid da hydrogen fluorine masana'antu kayan aiki, kamar nickel 690 gami, ASTM B166, B167, b168, da dai sauransu, kuma za a iya amfani da waldi nickel-chromium baƙin ƙarfe da bakin karfe da surfacing lalata. - resistant yadudduka a kan karfe.
Abubuwan sinadaran na weld karfe(%):
C | Mn | Fe | Si | Ni | Cr |
≤0.05 | ≤5.0 | 7.0 ~ 12.0 | ≤0.8 | ≥50.0 | 28.0 ~ 31.5 |
Cu | Mo | Nb | S | P | Sauran |
≤0.5 | ≤0.5 | 1.0 ~ 2.5 | ≤0.015 | ≤0.020 | ≤0.5 |
Abubuwan kayan aikin walda:
Gwaji abu | Ƙarfin ƙarfi Mpa | Ƙarfin bayarwa Mpa | Tsawaitawa % |
Garanti | ≥550 | ≥360 | ≥27 |
Shawarwari na yanzu:
Diamita na sanda (mm) da | 2.5 | 3.2 | 4.0 |
Welding halin yanzu (A) | 60 ~ 90 | 80 ~ 110 | 110 ~ 150 |
Sanarwa:
1. A lantarki dole ne a gasa for1 hour a kusa da 300 ℃ kafin walda aiki;
2. Yana da mahimmanci a tsaftace tsatsa, mai, ruwa, da datti akan sassan walda kafin walda.Gwada amfani da gajeriyar baka don walda.