AWS: SFA 5.5 E9015-B3Electrodes don Karfe Masu Juriya da Ƙura
Ƙaramin ƙarfin lantarki na hydrogen yana da ƙarfin 2.25Cr – 1Mo na walda, yana nuna ƙarfi mai ban mamaki da juriyar rarrafe a yanayin zafi mai girma har zuwa 575C. Ana amfani da shi don walda ƙarfe mai juriya ga creep 21/4 Cr-1 Mo da ƙarfe mai juriya ga hydrogen a ƙarƙashin matsin lamba da kuma ƙarfe mai kama da ƙarfe mai walda. Aikace-aikacen da aka saba amfani da su sun haɗa da gina tukunyar tururi, walda bututun tururi da na'urar dumama ruwa, tashoshin wutar lantarki, matatun mai da masana'antar sinadarai.
SINONIN DUKKAN KARFEN WALDA (%)
| Sinadarin | C | Mn | Si | P | S | Cr | Mo |
| Kashi | 0.05-0.12 | 0.5-0.9 | ≤0.5 | ≤0.030 | 0.022 | 2.0-2.5 | 0.9-1.2 |
ABUBUWAN INJI NA DUKKAN KARFEN WALDA
(PWHT: 690)°C DOMIN 1 HR)
| UTS | YS | Ƙarawa |
| (MPa) | (MPa) | (L= 4d)% |
| ≥590 | 550 | ≥15 |
BAYANAI NA YANZU DA NA RUFEWA: DC (+)
| Girman (mm) | 5×450 | 4×450 | 3.15×450 | 2.5×350 |
| Nisan Yanzu (Amps) | 200-250 | 150-190 | 100-140 | 70-100 |
| Adadi (Na'urori/Kwali) | 35 | 55 | 75 | 100 |
Gargaɗi
1. A sake busar da na'urorin lantarki a zafin digiri 250-300 na Celsius na tsawon awa ɗaya, kamar yadda aka tsara a tsarin aikinmu na yau da kullun.
2. Yi amfani da gajeren bead da stringer bead.
