347 Irin Irin Alagbara, Coil ati Pẹpẹ – AMS 5512, 5646
347 irin alagbara, irin ni a columbium / tantalum diduro austenitic chromium-nickel alagbara, irin. Ohun elo yii jẹ iduroṣinṣin lodi si iṣelọpọ carbide chromium nipasẹ afikun ti columbium ati tantalum. Niwọn bi awọn eroja wọnyi ti ni isunmọ ti o ni okun sii fun erogba ju chromium, columbium-tantalum carbides ṣaarin awọn irugbin dipo ti o ṣẹda ni awọn aala ọkà. 347 yẹ ki o gbero fun awọn ohun elo to nilo alapapo aarin laarin 800ºF (427ºC) ati 1650ºF (899ºC) tabi fun alurinmorin labẹ awọn ipo eyiti o ṣe idiwọ anneal lẹhin-weld. 347 kii ṣe oofa.
| Eroja | Ogorun nipasẹ iwuwo | |
|---|---|---|
| C | Erogba | 0.080% |
| Mn | Manganese | 200.00% |
| P | Fọsifọru | 4.50% |
| S | Efin | 0.03 |
| Si | Silikoni | 75.00% |
| Cr | Chromium | 17.00-19.00 |
| Ni | Nickel | 9.00-12.00 |
| Nb | Columbus ati | 10xC min si 1.00 max |
| Ta | Tantalum | |
| N | Nitrojini | 10.00% |
| Fe | Irin | Iwontunwonsi |
Akoko ifiweranṣẹ: Oṣu Keje-09-2020