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EN 1.4971 Stainless Steel vs. Austenitic Nodular Cast Iron

Both EN 1.4971 stainless steel and austenitic nodular cast iron are iron alloys. There are 24 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is EN 1.4971 stainless steel and the bottom bar is austenitic nodular cast iron.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 240
140 to 240
Elastic (Young's, Tensile) Modulus, GPa 210
180 to 190
Elongation at Break, % 34
6.8 to 34
Poisson's Ratio 0.29
0.29 to 0.3
Shear Modulus, GPa 81
70 to 72
Tensile Strength: Ultimate (UTS), MPa 800
430 to 500
Tensile Strength: Yield (Proof), MPa 340
190 to 240

Thermal Properties

Latent Heat of Fusion, J/g 300
280 to 350
Melting Completion (Liquidus), °C 1460
1340 to 1400
Melting Onset (Solidus), °C 1410
1300 to 1360
Specific Heat Capacity, J/kg-K 450
470 to 490
Thermal Expansion, µm/m-K 15
13 to 14

Otherwise Unclassified Properties

Base Metal Price, % relative 70
16 to 25
Density, g/cm3 8.4
7.7 to 8.0
Embodied Carbon, kg CO2/kg material 7.6
3.5 to 4.9
Embodied Energy, MJ/kg 110
48 to 68
Embodied Water, L/kg 300
91 to 120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
24 to 140
Resilience: Unit (Modulus of Resilience), kJ/m3 280
98 to 160
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24 to 25
Strength to Weight: Axial, points 26
15 to 18
Strength to Weight: Bending, points 23
16 to 18
Thermal Shock Resistance, points 19
12 to 15