NiCr 35 20 (1.4860) yog siv los ua cov khoom siv hluav taws xob hauv cov khoom siv hauv tsev thiab lwm yam khoom siv hluav taws xob cua sov. Nws muaj qhov zoo ductility tom qab siv lub sijhawm ntev, cov cuab yeej zoo txhua yam ntawm qhov kub thiab txias thiab zoo weldability. Qhov siab tshaj plaws ua haujlwm kub hauv huab cua yog + 600 ° C thaum siv rau cov xaim hluav taws xob thiab + 1050 ° C thaum siv rau cov xaim cua sov.
Qib | Ni80Cr20 | Ni70Cr30 | Ni60Cr23 | Ni60Cr15 | Ni35Cr20 | Karma | Evanohm | |
Nominal muaj pes tsawg leeg% | Ni | Bal | Bal | 58.0-63.0 Nws | 55.0-61.0 Nws | 34.0-37.0 Nws | Bal | Bal |
Cr | 20.0-23.0 Nws | 28.0-31.0 Nws | 21.0-25.0 Nws | 15.0-18.0 Nws | 18.0-21.0 Nws | 19.0-21.5 Nws | 19.0-21.5 Nws | |
Fe | ≦ 1.0 | ≦ 1.0 | Bal | Bal | Bal | 2.0-3.0 Nws | - | |
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 | ||||||
Max ua haujlwm kub (°C) | 1200 | 1250 | 1150 | 1150 | 1100 | 300 | 400 | |
Kev tiv thaiv (Ω / cmf, 20 ℃) | 1.09 Nws | 1.18 | 1.21 | 1.11 | 1.04 ib | 1.33 | 1.33 | |
Kev tiv thaiv (uΩ / m, 60 ° F) | 655 | 704 ib | 727 ib | 668 ib | 626 | 800 | 800 | |
Qhov ceev (g / cm³) | 8.4 ib | 8.1 | 8.4 ib | 8.2 | 7.9 ib | 8.1 | 8.1 | |
Thermal conductivity (KJ / m·h· ℃) | 60.3 | 45.2 ib | 45.2 ib | 45.2 ib | 43.8 ib | 46.0 ib | 46.0 ib | |
Linear Expansion Coefficient (× 10¯6/ ℃) 20-1000 ℃) | 18.0 Nws | 17.0 Nws | 17.0 Nws | 17.0 Nws | 19.0 Nws | - | - | |
Melting Point (℃) | 1400 | 1380 | 1370 ib | 1390 ib | 1390 ib | 1400 | 1400 | |
Hardness (Hv) | 180 | 185 | 185 | 180 | 180 | 180 | 180 | |
Tensile zog (N / mm2 ) | 750 | 875 ib | 800 | 750 | 750 | 780 ua | 780 ua | |
Elongation (%) | ≥ 20 | ≥ 20 | ≥ 20 | ≥ 20 | ≥ 20 | 10-20 | 10-20 | |
Micrographic Structure | austenite | austenite | austenite | austenite | austenite | austenite | austenite | |
MagneticProperty | Tsis yog | Tsis yog | Tsis yog | Me ntsis | Tsis yog | Tsis yog | Tsis yog | |
Lub neej ceev (h / ℃) | ≥81/1200 | ≥50/1250 | ≥81/1200 | ≥81/1200 | ≥81/1200 | - | - |