Ƙaramin Walda na Karfe
J506NiMA、J507NiMA
GB/T E5016-G E5015-G
AWS E7018-G E7015-G
Bayani: J506NiMA da J507NiMA suna da ƙananan na'urorin lantarki masu ɗaukar danshi waɗanda aka rufe da hydrogen. Karfe da aka ajiye yana da kyakkyawan ƙarfin lantarki, ƙarfin zafin jiki mai ƙarancin zafi da juriyar fashewa, kuma ana iya haɗa shi a kowane matsayi. Rufin yana da juriya ga shaƙar danshi. Bayan an gasa electrode a 400°C x 1h kuma an ajiye shi a cikin yanayi mai ɗanɗano ≥ 80% na tsawon awanni 4, danshi na murfin har yanzu yana cika buƙatun amfani.
Aikace-aikace: Ana amfani da shi don walda dandamalin mai, jiragen ruwa, tasoshin matsin lamba, da sauran gine-gine da aka yi daƙarfe mai carbon da ƙarfe mai ƙarancin ƙarfe.
Sinadarin sinadarai na ƙarfen walda(%):
| C | Mn | Si | Ni | S | P | |
| An Garanti | ≤0. 12 | ≥1.00 | ≤0.50 | ≤0.60 | ≤0.035 | ≤0.040 |
Kayan aikin injiniya na ƙarfe na walda:
| Gwaji abu | Ƙarfin tauri Mpa | Ƙarfin bayarwa Mpa | Ƙarawa % | Ƙimar tasiri (J) -46℃ |
| An Garanti | ≥490 | ≥390 | ≥22 | ≥27 |
Yaɗuwar sinadarin hydrogen a cikin ƙarfe da aka ajiye: ≤5.0mL/100g (tsarin chromatography na gas ko hanyar mercury)
Danshin da ke cikin murfin lantarki: ≤0.30%
Duba X-ray: I maki
Shawarar da ake bayarwa:
| Diamita na sanda | 2.5 | 3.2 | 4.0 | 5.0 |
| Walda na Wuta | 60 ~ 90 | 90 ~ 120 | 140 ~ 180 | 170 ~ 210 |
Sanarwa:
1. Dole ne a gasa wutar lantarki na tsawon awa 1 a zafin 350 ~ 400℃ kafin a fara aikin walda;
2. Yana da mahimmanci a tsaftace tsatsa, ma'aunin mai, ruwa, da ƙazanta a kan sassan walda kafin walda;
3. Yi amfani da aikin gajeriyar baka lokacin walda. Hanyar walda mai kunkuntar ta dace.






