Tha NiCr 35 20 (1.4860) air a chleachdadh mar phàirtean dealain ann an innealan dachaigheil agus uidheam teasachaidh dealain eile. Tha deagh sheasmhachd aige an dèidh cleachdadh fada, deagh fheartan meacanaigeach aig teòthachd àrd agus deagh thàthadh. Is e +600°C an teòthachd obrachaidh as àirde ann an èadhar nuair a thèid a chleachdadh airson uèirichean strì agus +1050°C nuair a thèid a chleachdadh airson uèirichean teasachaidh.
Ìre | Ni80Cr20 | Ni70Cr30 | Ni60Cr23 | Ni60Cr15 | Ni35Cr20 | Karma | Evanohm | |
Co-dhèanamh ainmichte% | Ni | Bal | Bal | 58.0-63.0 | 55.0-61.0 | 34.0-37.0 | Bal | Bal |
Cr | 20.0-23.0 | 28.0-31.0 | 21.0-25.0 | 15.0-18.0 | 18.0-21.0 | 19.0-21.5 | 19.0-21.5 | |
Fe | ≦1.0 | ≦1.0 | Bal | Bal | Bal | 2.0-3.0 | – | |
Al1.0-1.7 Ti 0.3-0.5 | Al2.7-3.2 Mn0.5-1.5 | Al2.7-3.2 Cu2.0-3.0 Mn0.5-1.5 | ||||||
Teòthachd obrachaidh as àirde (°C) | 1200 | 1250 | 1150 | 1150 | 1100 | 300 | 400 | |
Frith-sheasmhachd (Ω/cmf, 20℃) | 1.09 | 1.18 | 1.21 | 1.11 | 1.04 | 1.33 | 1.33 | |
Frith-sheasmhachd (uΩ/m, 60°F) | 655 | 704 | 727 | 668 | 626 | 800 | 800 | |
Dlùths (g/cm³) | 8.4 | 8.1 | 8.4 | 8.2 | 7.9 | 8.1 | 8.1 | |
Seoltachd Teirmeach (KJ/m·h·℃) | 60.3 | 45.2 | 45.2 | 45.2 | 43.8 | 46.0 | 46.0 | |
Co-èifeachd Leudachaidh Lìnearach (×10¯6/℃)20-1000℃) | 18.0 | 17.0 | 17.0 | 17.0 | 19.0 | - | - | |
Puing Leaghaidh (℃) | 1400 | 1380 | 1370 | 1390 | 1390 | 1400 | 1400 | |
Cruas (Hv) | 180 | 185 | 185 | 180 | 180 | 180 | 180 | |
Neart teannachaidh (N/mm)2 ) | 750 | 875 | 800 | 750 | 750 | 780 | 780 | |
Leudachadh (%) | ≥20 | ≥20 | ≥20 | ≥20 | ≥20 | 10-20 | 10-20 | |
Structar Meanbh-ghrafaigeach | austenite | austenite | austenite | austenite | austenite | austenite | austenite | |
Togalaichean Magnetic | Chan eil | Chan eil | Chan eil | Beagan | Chan eil | Chan eil | Chan eil | |
Beatha Luath (u/℃) | ≥81/1200 | ≥50/1250 | ≥81/1200 | ≥81/1200 | ≥81/1200 | - | - |