Heat-Resistant Austenitic Stainless Steel · PDF fileHeat-Resistant Austenitic Stainless Steel ... Table 2 : Density, Specific Heat, ... Especially suited for material requiring high-temperature
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Alloy Design・Features Main Use Applications
Specification andPhysical Properties
Equivalent Specification●ASTM A240, A213 ●UNS S31060●ASME Code Case 2430 (ASME Section Ⅰ & Ⅷ, Div.1 Boiler and Pressure Vessel)
Table 1 : Chemical Composition (wt%)
Table 2 : Density, Specific Heat, Thermal Conductivity and Thermal Diffusivity
High Cr≧22.5% Solid solution strengthening:Addition of N
Grain boundary strengthening:Addition of B
0.3%Si -0.07%C -23%Cr -11%Ni -0.2%N -La+Ce -B
Addition of rareearth metals
Addition of N Decrease of Si
Optimization ofCreq / Nieq
Grain size control
❶ Alloy design of NSSMC-NAR-AH-4
❶ Specification
❷ Physical Properties
1 Parts requiring heat resistance in Industrial Furnaces, Heat-treating Furnaces, Power Plants and Chemical Plants.
2 Fuel cell reforming Tube. 3 Auto parts (Exhaust Manifold etc.). 4 Substitute for SUS310S. Especially suited for material requiring high-temperature mechanical strength.