Nickel uye Nickel Alloy Welding Electrode
Ni307-3
GB/T ENi6182
AWS A5.11 ENiCrFe-3
Tsananguro: Ni307-3 inikeliElectrode yakagadzirwa ne hydrogen sodium coating yakaderera. Shandisa DCEP (direct current electrode positive). Inodzivirira kupwanyika zvakanaka nekuti weld ine huwandu hwakati hwe manganese, niobium, nezvimwe zvinhu zvinosanganisa simbi.
Kushandiswa: Inoshandiswa pakushongedzanikeli-chromium-iron alloys (yakadai seUNS N06600) uye pamusoro pesimbi. Tembiricha yekushanda kazhinji haisi yepamusoro kupfuura 480 ° C, uye kuramba kutsemuka kwakanaka. Yakakodzera kumidziyo yeatomu yechoto uye kusanganisa tangi remakemikari.
Kuumbwa kwemakemikari esimbi ye weld (%):
| C | Mn | Fe | P | S | Si | Cu |
| ≤0.10 | 5.0 ~ 10.0 | ≤10.0 | ≤0.020 | ≤0.015 | ≤1.0 | ≤0.5 |
| Ni | Ti | Mo | Nb | Ta | Zvimwe |
|
| ≥60.0 | ≤1.0 | 13.0 ~ 17.0 | 1.0 ~ 3.5 | ≤0.30 | ≤0.50 |
|
Hunhu hwesimbi ye weld:
| Chinhu chekuyedza | Simba rekusimba Mpa | Simba rekupa Mpa | Kureba % |
| Yakavimbiswa | ≥550 | ≥360 | ≥27 |
Inokurudzirwa yemagetsi:
| Dhayamita yetsvimbo (mm) | 2.5 | 3.2 | 4.0 | 5.0 |
| Welding current (A) | 60 ~ 90 | 80 ~ 100 | 110 ~ 150 | 130 ~ 180 |
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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