AWS A5.20 E70T-7 Flux Cored Arc Welding Electrodes Flux Core Welding Wire

EN ISO 17632-AT 42 ZW N 3

Hunhu uye Mashandisirwo
AWS A5.20 E70T-7Flux CoredArcWaya yekunamirawaya inoyerera yega yakagadzirwa kuti ikwanise kupinza simbi zvakanyanya. Yakakodzera nzvimbo dzakati sandara, dzakatwasuka uye dzinodzika pasi paDCEN polarity. Kushanda zvakanaka pakuongorora X-ray, uye desulfuration inoderedza kutsemuka kwemapuleti akakora, majoini akamanikana uye simbi ine kabhoni iri pakati nepakati.
Zvishandiso zvinoshandiswa pakugadzira nekusanganisa simbi nesimbi uko kunodiwa kuisa simba rakawanda uye kupinda zvakanaka uye kumhanya kwekufamba nekukurumidza. Nzvimbo dziripo dzinosanganisira kusanganisa simbi nesimbi, kusanganisa simbi nesimbi dzakatwasuka uye kusanganisa simbi nesimbi dzakatwasuka.

Kuumbwa kwemakemikari akajairika esimbi yeWeld (%)
C 0.29 Mn 0.45 Si 0.10 P 0.010 S 0.005 AI 1.45

Hunhu Hwakajairika hweMechanical yeWeld Metal
Simba remubereko 453Mpa Simba reKusimba 600MPa Kureba 25%

Zvinyorwa pamusoro pekushandiswa:
1. DC(-) polarity inokurudzirwa.
2. Kana kusimba kwesimbi ye weld kuchikosha.
3. Chengeta chigadzirwa chakaoma, panguva yachinenge chakachengetwa kana kuendeswa.

Wenzhou Tianyu Electronic Co., Ltd. yakavambwa muna 2000. Tave tichiita basa rekugadzira ma electrodes ekuwelda,tsvimbo dzekunamira, uye zvinoshandiswa pakusonwa kwemidziyo kwemakore anopfuura makumi maviri.

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