Nickel et Nickel Alloy Welding Electrode
Ni307-7
GB/T ENi6152
AWS A5.11 ENiCrFe-7
Descriptio: Ni307-7 est electrode nickel substructio cum sodium humili-hydrogenis efficiens.Usus DCEP (rectum current electrodeaffirmativus).Habet compositionem optimam glutino cum arcubus stabilibus combustionem, spatorem minus, scoriam removentem facilem;et pulchram pugillo.Depositum metallum proprietates mechanicas stabiles et repugnantiam corrosionis bonam habetsummus temperatus oxidizationis et atmosphaerae sulphuris continens.
Applicatio: Usus in machinatione nucleari, acido sulphurico, acido nitrico et hydrogenio instrumenti fabricandi fluorini, ut nickel 690 mixturae, ASTM B166, B167, b168, etc., adhiberi potest etiam ad glutino chromium ferrum nickel-actum et inactum ferrum et corrosio surfactionis. -resistentia stratis ferro.
Compositio chemica metallici solidi (%):
| C | Mn | Fe | Si | Ni | Cr |
| ≤0.05 | ≤5.0 | 7.0 ~ 12.0 | ≤0.8 | ≥50.0 | 28.0 ~ 31.5 |
| Cu | Mo | Nb | S | P | Other |
| ≤0.5 | ≤0.5 | 1.0 ~ 2.5 | ≤0.015 | ≤0.020 | ≤0.5 |
Mechanica metallorum congeries;
| Test item | Distrahentes fortitudo Mpa | Cedat imperium Mpa | Prolongatio % |
| guaranteed | ≥550 | ≥360 | ≥27 |
Commendatur current:
| Rod diam mm） | 2.5 | 3.2 | 4.0 |
| Welding current A） | 60 ~ 90 | 80~ 110 | 110 ~ 150 |
Animadverte:
1. Electrodum coquendum est hora 1 circiter 300℃ ante operationem glutinum;
2. Essentiale est purgare ferruginem, oleum, aquam, et immunditias in partibus glutino ante glutino.Conare brevi arcum pactionem utere.
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