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S31727 Stainless Steel vs. ASTM A148 Cast Steel

Both S31727 stainless steel and ASTM A148 cast steel are iron alloys. There are 27 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is S31727 stainless steel and the bottom bar is ASTM A148 cast steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
190 to 390
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 40
5.7 to 25
Fatigue Strength, MPa 240
280 to 670
Poisson's Ratio 0.28
0.29
Reduction in Area, % 56
13 to 45
Shear Modulus, GPa 78
73
Tensile Strength: Ultimate (UTS), MPa 630
630 to 1300
Tensile Strength: Yield (Proof), MPa 270
390 to 1160

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 1010
400 to 430
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1390
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Expansion, µm/m-K 16
13

Otherwise Unclassified Properties

Base Metal Price, % relative 24
2.3 to 3.3
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 4.7
1.5 to 1.7
Embodied Energy, MJ/kg 64
20 to 22
Embodied Water, L/kg 180
48 to 53

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
71 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 190
400 to 3570
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 22
22 to 46
Strength to Weight: Bending, points 20
21 to 34
Thermal Shock Resistance, points 14
18 to 38