Awọn onirin Nickel-Chrome jẹ lilo pupọ bi alloy resistance giga fun alapapo itanna ati awọn alatako ọgbẹ waya ni ile-iṣẹ irin, ile-iṣẹ kemikali ati ile-iṣẹ itanna, ati bẹbẹ lọ.
Okun waya alloy yii ni olùsọdipúpọ resistance itanna ti o ga julọ, ipakokoro-idasonu ti o dara ati iṣẹ ipata, ati pe o tun ni iṣẹ ṣiṣe ẹrọ ti o dara ati weldability, pẹlu agbara giga ni iwọn otutu giga.
Awọn abuda akọkọ ti Ni-Cr ati Ni-Cr-Fe itanna alapapo alloys
Iru | Cr30Ni70 | Cr15Ni60 | Cr20Ni35 | Cr20Ni80 | Cr20Ni30 | Cr25Ni20 | |
Iṣẹ ṣiṣe | |||||||
Ifilelẹ Kemikali akọkọ | Ni | Sinmi | 55.0-61.0 | 34.0-37.0 | Sinmi | 30.0-30.4 | 19.0-22.0 |
Cr | 28.0-31.0 | 15.0-18.0 | 18.0-21.0 | 20.0-23.0 | 18.0-21.0 | 24.0-26.0 | |
Fe | ≤ 1.0 | Sinmi | Sinmi | ≤ 1.0 | Sinmi | Sinmi | |
O pọju. lemọlemọfún iṣẹ otutu. ti eroja | 1250 | 1150 | 1100 | 1200 | 1100 | 1050 | |
Resistivity ni 20ºC (μΩ m) | 1.18 ± 0.05 | 1.12 ± 0.05 | 1.04 ± 0.05 | 1.09 ± 0.05 | 1.06 ± 0.05 | 0,95 ± 0,05 | |
Ìwúwo(g/cm³) | 8.10 | 8.20 | 7.90 | 8.40 | 7.90 | 7.15 | |
Gbona elekitiriki (KJ/mhºC) | 45.2 | 45.2 | 43.5 | 60.3 | 43.8 | 43.8 | |
Imugboroosi awọn ila (αx10-6/ºC) | 17.0 | 17.0 | 19.0 | 18.0 | 19.0 | 19.0 | |
Ibi yo (asunmọ.) (ºC) | 1380 | 1390 | 1390 | 1400 | 1390 | 1400 | |
Ilọsiwaju ni rupture (%) | > 20 | > 20 | > 20 | > 20 | > 20 | > 20 | |
Micrographic be | austenite | austenite | austenite | austenite | austenite | austenite | |
Awọn ohun-ini oofa | ti kii ṣe oofa | Oofa-kekere | Oofa-kekere | ti kii ṣe oofa | Oofa-kekere | ti kii ṣe oofa |