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ASTM A148 Cast Steel vs. N08020 Stainless Steel

Both ASTM A148 cast steel and N08020 stainless steel are iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is ASTM A148 cast steel and the bottom bar is N08020 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 5.7 to 25
15 to 34
Fatigue Strength, MPa 280 to 670
210 to 240
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Tensile Strength: Ultimate (UTS), MPa 630 to 1300
610 to 620
Tensile Strength: Yield (Proof), MPa 390 to 1160
270 to 420

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Maximum Temperature: Mechanical, °C 400 to 430
1100
Melting Completion (Liquidus), °C 1460
1410
Melting Onset (Solidus), °C 1420
1360
Specific Heat Capacity, J/kg-K 470
460
Thermal Conductivity, W/m-K 37 to 47
12
Thermal Expansion, µm/m-K 13
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3 to 7.5
1.6
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3 to 8.6
1.8

Otherwise Unclassified Properties

Base Metal Price, % relative 2.3 to 3.3
38
Density, g/cm3 7.8
8.2
Embodied Carbon, kg CO2/kg material 1.5 to 1.7
6.6
Embodied Energy, MJ/kg 20 to 22
92
Embodied Water, L/kg 48 to 53
220

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 71 to 150
83 to 170
Resilience: Unit (Modulus of Resilience), kJ/m3 400 to 3570
180 to 440
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 22 to 46
21
Strength to Weight: Bending, points 21 to 34
20
Thermal Diffusivity, mm2/s 9.9 to 13
3.2
Thermal Shock Resistance, points 18 to 38
15

Comparable Variants