NS313 (US grade Inconel 601)
Chemical composition of NS313:
Ni (%): 58-63
Cr (%): 21.0~25.0
Fe (%): Balance
C (%): 0.1
Mn (%): ≤1.5
Si (%): ≤0.5
Cu (%): ≤1
Al (%): 1.0~1.7
P (%): ≤0.02
S (%): ≤0.015
Physical property:
Density: 8.1g/cm3
Melting point: 1320-1370
°C
Alloy & Condition Tensile Strength Rm N / mm2 Yield Strength RP0.2N / mm2 Elongation A5% Brinell hardness HB
Annealing treatment 650 300 30 -
Solution treatment 600 240 30 ≤ 220
This alloy has the following properties:
1. Excellent oxidation resistance at high temperature
2. Good carbonization resistance
3. Good oxidation resistance in sulfur-containing atmosphere
4. Good mechanical properties at both room temperature and high temperature
5. Good resistance to stress corrosion cracking. Due to the control of carbon content and grain size, NS313 has high creep rupture strength, so it is recommended to use NS313 in the field above 500 °C.
Metallographic structure of NS313:
NS313 has a face-centered cubic lattice structure.
Corrosion resistance of NS313:
An important property of NS313 alloy is its oxidation resistance at temperatures up to 1180°C. Even under severe conditions, such as during heating and cooling cycles, NS313 produces a dense oxide film for high spalling resistance. NS313 has good carbonization resistance. Due to its high chromium and aluminum content, NS313 has good oxidation resistance in high temperature sulfur-containing atmospheres.
NS313 application range The application areas are:
1. Trays, baskets and fixtures for heat treatment factories.
2. Steel wire split annealing and radiant tubes, high-speed gas burners, wire mesh belts in industrial furnaces.
3. Isolation tanks in ammonia reforming and catalytic support grids in nitric acid production.
4. Exhaust system components
5. Combustion chamber of solid waste incinerator
6. Duct Support and Soot Handling Components
7. Exhaust gas detoxification system components
8. Oxygen reheater
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