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ASTM A148 Cast Steel vs. S31277 Stainless Steel

Both ASTM A148 cast steel and S31277 stainless steel are iron alloys. There are 25 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is ASTM A148 cast steel and the bottom bar is S31277 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 5.7 to 25
45
Fatigue Strength, MPa 280 to 670
380
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
80
Tensile Strength: Ultimate (UTS), MPa 630 to 1300
860
Tensile Strength: Yield (Proof), MPa 390 to 1160
410

Thermal Properties

Latent Heat of Fusion, J/g 250
310
Maximum Temperature: Mechanical, °C 400 to 430
1100
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1410
Specific Heat Capacity, J/kg-K 470
460
Thermal Expansion, µm/m-K 13
16

Otherwise Unclassified Properties

Base Metal Price, % relative 2.3 to 3.3
36
Density, g/cm3 7.8
8.1
Embodied Carbon, kg CO2/kg material 1.5 to 1.7
6.7
Embodied Energy, MJ/kg 20 to 22
90
Embodied Water, L/kg 48 to 53
220

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 71 to 150
320
Resilience: Unit (Modulus of Resilience), kJ/m3 400 to 3570
410
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 22 to 46
29
Strength to Weight: Bending, points 21 to 34
25
Thermal Shock Resistance, points 18 to 38
19