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ASTM A148 Cast Steel vs. S39274 Stainless Steel

Both ASTM A148 cast steel and S39274 stainless steel are iron alloys. There are 31 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is ASTM A148 cast steel and the bottom bar is S39274 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 390
270
Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 5.7 to 25
17
Fatigue Strength, MPa 280 to 670
380
Poisson's Ratio 0.29
0.27
Reduction in Area, % 13 to 45
34
Shear Modulus, GPa 73
81
Tensile Strength: Ultimate (UTS), MPa 630 to 1300
900
Tensile Strength: Yield (Proof), MPa 390 to 1160
620

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Maximum Temperature: Mechanical, °C 400 to 430
1100
Melting Completion (Liquidus), °C 1460
1480
Melting Onset (Solidus), °C 1420
1430
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 37 to 47
16
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3 to 7.5
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3 to 8.6
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 2.3 to 3.3
24
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 1.5 to 1.7
4.3
Embodied Energy, MJ/kg 20 to 22
60
Embodied Water, L/kg 48 to 53
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 71 to 150
140
Resilience: Unit (Modulus of Resilience), kJ/m3 400 to 3570
940
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 22 to 46
32
Strength to Weight: Bending, points 21 to 34
26
Thermal Diffusivity, mm2/s 9.9 to 13
4.2
Thermal Shock Resistance, points 18 to 38
25