Heating Equipment
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Product Parameter
Alloy Nomenclature Performance | Cr20Ni80 | Cr30N170 | Cr15Ni60 | Cr20Ni35 | Cr20N130 | |
Main Chemical composition | Ni | Rest | Rest | 55.0-61.0 | 34.0-37.0 | 30.0-34.0 |
Cr | 20.0-23.0 | 28.0-31.0 | 15.0-18.0 | 18.0-21.0 | 18.0-21.0 | |
Fe | ≤1.0 | ≤1.0 | Rest | Rest | Rest | |
Max.continuous service temp.of element(℃) | 1200 | 1250 | 1150 | 100 | 110 | |
Resistivity at 20oC (μΩ·m) | 1.09 | 1.18 | 1.12 | 1.0 | 1.04 | |
Density(g/cm3) | 8.40 | 8.10 | 8.20 | 7.90 | 7.90 | |
Thermal conductivity (KJ/m·h·℃) | 60.3 | 45.2 | 45.2 | 43.8 | 43.8 | |
Coefficient of lines expansion(a×10-6/℃) | 18.0 | 17.0 | 17.0 | 19.0 | 19.0 | |
Melting point approx.(℃) | 1400 | 1380 | 1390 | 1390 | 1390 | |
Elongation at rupture(%) | >20 | >20 | >20 | 20 | >20 | |
Micrographic structure | Austenite | Austenite | Austenite | Austenite | Austenite | |
Magnetic properties |
Nonmagnetic |
Nonmagnetic |
Weak magnetic | Weak magnetic | Weak magnetic |
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