Tha NiCr 8020 (2.4869) air a chleachdadh airson eileamaidean teasachaidh dealain ann an innealan dachaigh agus àmhainnean gnìomhachais. Is e na cleachdaidhean àbhaisteach iarainn rèidh, innealan iarnaigeadh, teasadairean uisge, bàsan molltair plastaig, iarainn tàthaidh, eileamaidean tiùbalach le còmhdach meatailt agus eileamaidean cartridge.
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 | - | - |