Thermal conductivity against densityHigher and further left: spreads more heat for its weightThermal expansion against thermal conductivityLower and further right: warps less when heated
Sources3 documents: Outokumpu, Steel Construction Institute, Carpenter Technology
Values for
Wrought. 1.4305 / UNS S30300, Outokumpu typical values (hot rolled, solution annealed) from 'Steel Grades, Properties and Global Standards'; max service from Carpenter CarTech 303 datasheet
1
Steel Grades, Properties and Global StandardsOutokumpuarchived copyYield strength: Outokumpu typical (product P = hot rolled plate, transverse)Ultimate tensile strength: Outokumpu typicalElongation at break: Outokumpu typical, A5Young's modulus (stiffness): at RT (Table 12)Density: at RTThermal conductivity: at RTThermal expansion: mean, 20–100 °CSpecific heat: at RT
2
Design Manual for Structural Stainless Steel, 4th Edition (P413)Steel Construction Institutearchived copyPoisson's ratio: design value (structural stainless steels)
3
Carpenter Stainless Type 303 Data SheetCarpenter Technologyarchived copyMax service temperature: continuous, scaling limit
Stainless Steel 303 has a thermal conductivity of 15 W/m·K (8.67 BTU/hr·ft·°F). Basis: at RT. Source: Outokumpu, Steel Grades, Properties and Global Standardsarchived copy.
Specific heat of Stainless Steel 303
The specific heat capacity of Stainless Steel 303 is 500 J/kg·K (0.119 BTU/lb·°F). Basis: at RT. Source: Outokumpu, Steel Grades, Properties and Global Standardsarchived copy.
Coefficient of thermal expansion of Stainless Steel 303
Stainless Steel 303 expands 16 µm/m·K (8.89 µin/in·°F): a 100 mm part grows 80 µm over a 50 °C rise. Basis: mean, 20–100 °C. Source: Outokumpu, Steel Grades, Properties and Global Standardsarchived copy.
Thermal diffusivity of Stainless Steel 303
Computed from the conductivity, density and specific heat (k / ρc): 3.8 mm²/s, how fast a temperature change spreads through it.
Maximum service temperature of Stainless Steel 303
The maximum service temperature of Stainless Steel 303 is 871 °C (1,600 °F). Basis: continuous, scaling limit. Source: Carpenter Technology, Carpenter Stainless Type 303 Data Sheetarchived copy.