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S40977 Stainless Steel vs. ASTM A148 Cast Steel

Both S40977 stainless steel and ASTM A148 cast steel are iron alloys. There are 30 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 S40977 stainless steel and the bottom bar is ASTM A148 cast steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
190 to 390
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 21
5.7 to 25
Fatigue Strength, MPa 200
280 to 670
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Tensile Strength: Ultimate (UTS), MPa 510
630 to 1300
Tensile Strength: Yield (Proof), MPa 310
390 to 1160

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Maximum Temperature: Mechanical, °C 720
400 to 430
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 25
37 to 47
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
7.3 to 7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
8.3 to 8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 6.5
2.3 to 3.3
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.9
1.5 to 1.7
Embodied Energy, MJ/kg 27
20 to 22
Embodied Water, L/kg 97
48 to 53

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 92
71 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 250
400 to 3570
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 18
22 to 46
Strength to Weight: Bending, points 18
21 to 34
Thermal Diffusivity, mm2/s 6.7
9.9 to 13
Thermal Shock Resistance, points 18
18 to 38