JQ.H0Cr21Ni10 bakin karfe iskar gas mai ƙarfi waya
Gabatarwa
Babban bangaren JQ.H0Cr21Ni10 shine 18Cr-8Ni, wanda shine waya walda ta TIG don bakin karfe.Babu spatter, walda yana da santsi.Wayar kuma tana ba da kyakkyawar roƙon walda a baya inda ba a iya samun sauƙin shiga yayin da ake sake gyarawa na iya samun kyakkyawan bead a gaba.
Abubuwan sinadaran walda na waya (Wt%)
Samfura | Welding waya sinadaran abun da ke ciki (Wt%) |
| ||||||||
C | Mn | Si | Cr | Ni | Mo | P | S | Cu | Sauran | |
Saukewa: JQ.H0Cr21Ni10 | 0.035 | 1.80 | 0.31 | 20.15 | 9.52 | 0.03 | 0.013 | 0.008 | 0.34 | - |
Ayyukan samfur
Madaidaicin ƙirar ƙima (daidai). | Misali na kaddarorin jiki na ajiyar ƙarfe (tare da SJ601) | ||
GB | AWS | Ƙarfin TensileMPa | Tsawaita% |
S308 | Saukewa: ER308 | 594 | 40.5 |
Alamar walda samfurin halin yanzu (AC ko DC+)
Diamita na waya (mm) | ¢ 0.8 | ¢ 1.0 | ¢ 1.2 | |
Welding halin yanzu (A) | Flat waldi, walda a kwance | 70-150 | 100-200 | 140-220 |
waldi a tsaye | 50-120 | 80-150 | 120-180 | |
walda sama | 50-120 | 80-150 | 160-200 |
Ƙayyadaddun samfur
Diamita na waya | ¢ 0.8 | ¢ 1.0 | ¢ 1.2 |
Kunshin nauyi | 12.5kg/ guda | 15kg/ guda | 15kg/ guda |
Bayanan kula
1. Gas ɗin Garkuwa: Dole ne a tabbatar da cewa ba za a yi aiki da iskar garkuwar ƙazanta ba.
Yawan Shawarwari na gauraye gas: Ar+1-3%O2.
2. Yawan aiki na iskar garkuwa: 20-25L/min.
3.Tsawon Electrode: 15-25mm
4.Ya kamata a yi amfani da walda a wuri mai tsabta ba tare da tsatsa ba, damshi, gurɓataccen mai da ƙura.
5.Hana abin da iskar ta shafa lokacin da saurin iska ya kai 1.5m/s don gujewa kumfa da aka haifar.
Shawarwari na sama don dalilai ne na tunani.Yi la'akari da ƙayyade halin da ake ciki kafin fara aikin sarrafa kayan aiki.