JQ.ER307 Bakin Karfe iskar gas kariya m m waldi waya a ganga
Aikace-aikace
Ana amfani da shi a lokuta na musamman da ke buƙatar kaddarorin da ba na maganadisu ba kamar jiragen ruwa na nukiliya da farantin karfe mai hana harsashi, sannan ana iya amfani da shi wajen walda wasu karafan da ke da wuyar waldawa da sauƙi.
Abubuwan sinadaran walda na waya (Wt%)
Samfura | Welding waya sinadaran abun da ke ciki(Wt%) | ||||||||
| C | Mn | Si | Cr | Ni | Mo | P | S | Cu |
JQ.ER307 | 0.078 | 4.50 | 0.41 | 20.15 | 9.52 | 0.95 | 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% |
S307 | Saukewa: ER307 | 621 | 38.0 |
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 |
Kariya don amfanin samfur
1. Garkuwar iskar gas: Kula da tsabtar iskar garkuwa, kuma adadin cakuda gas ɗin da aka ba da shawarar shine Ar + 1-3% O2.
2. Gudun gas: 20-25L / min.
3. Dry elongation: 15-25mm.
4. A gaske cire tsatsa Layer, danshi, mai, kura, da dai sauransu a kan walda part.
5. A lokacin walda a waje, lokacin da iskar ta wuce 1.5m/s, yakamata a dauki matakan kariya daga iska, sannan a dauki matakan da suka dace don hana afkuwar busa.
Shawarwari na sama don tunani ne kawai, kuma ainihin halin da ake ciki zai yi nasara a cikin takamaiman aiki.Idan ya cancanta, aiwatar da cancantar ya kamata a za'ayi kafin kayyade tsarin walda.