Nickel uyeNickel Alloy Welding Electrode
Ni307-4
GB/T ENi6093
AWS A5.11 ENiCrFe-4
Tsananguro: Ni307-4 ielectrode yakavakirwa panickel ine hydrogen sodium shoma. Shandisa DCEP (electrode yakananga yemagetsi)yakanaka). Inoshanda zvakanaka pakuwedera ine arc combustion yakagadzikana, haina kupfapfaidza, iri nyore kubvisa tsvina,
uye weld yakanaka.
Mashandisirwo: Inoshandiswa pakusanganisa nickel-chromium-iron alloys, dzakadai seNi600, Ni800/800H uye mamwe ma superalloys akafanana kana nickel ane tembiricha yekushanda ye900 ° C. Inogona zvakare kushandiswa kusimbi dzine tembiricha yakaderera dzine Ni3% ~ 9%, dzakadai seASTM A333, A334, A353, A522. Kusanganisa A553 kunogonawo kushandiswa pakusanganisa simbi dzakasiyana pakati peMo400, Ni825, simbi isina ngura uye simbi isina ngura yakawanda.
Kuumbwa kwemakemikari esimbi ye weld (%):
| C | Mn | Fe | Si | Ni | Cr | Mo | Nb + Ta | S | P |
| ≤0.20 | 1.0 ~ 5.0 | ≤12.0 | ≤1.0 | ≥60.0 | 13.0 ~ 17.0 | 1.0 ~ 3.5 | 1.0 ~ 3.5 | ≤0.015 | ≤0.020 |
Hunhu hwesimbi ye weld:
| Chinhu chekuyedza | Simba rekusimba Mpa | Simba rekupa Mpa | Kureba % |
| Yakavimbiswa | ≥650 | ≥360 | ≥18 |
Inokurudzirwa yemagetsi:
| Dhayamita yetsvimbo (mm) | 2.5 | 3.2 | 4.0 |
| Welding current (A) | 60 ~ 90 | 80 ~ 110 | 110 ~ 150 |
Cherechedza:
1. Electrode inofanira kubikwa kweawa imwe chete pakupisa kwe300℃ isati yashandiswa pakunamira;
2. Zvakakosha kuchenesa ngura, mafuta, mvura, uye tsvina pazvikamu zvekunamira usati wanamira. Edza kushandisa arc pfupi kunamira.
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