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ASTM A27 Cast Steel vs. S45503 Stainless Steel

Both ASTM A27 cast steel and S45503 stainless steel are iron alloys. There are 25 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is ASTM A27 cast steel and the bottom bar is S45503 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 25 to 27
4.6 to 6.8
Fatigue Strength, MPa 170 to 230
710 to 800
Poisson's Ratio 0.29
0.28
Reduction in Area, % 34 to 40
17 to 28
Shear Modulus, GPa 73
75
Tensile Strength: Ultimate (UTS), MPa 460 to 550
1610 to 1850
Tensile Strength: Yield (Proof), MPa 230 to 310
1430 to 1700

Thermal Properties

Latent Heat of Fusion, J/g 250
270
Maximum Temperature: Mechanical, °C 400
760
Melting Completion (Liquidus), °C 1460
1440
Melting Onset (Solidus), °C 1420
1400
Specific Heat Capacity, J/kg-K 470
470
Thermal Expansion, µm/m-K 12
11

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
15
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.4
3.4
Embodied Energy, MJ/kg 18
48
Embodied Water, L/kg 45 to 46
120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 96 to 120
82 to 110
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 16 to 20
57 to 65
Strength to Weight: Bending, points 17 to 19
39 to 43
Thermal Shock Resistance, points 15 to 18
56 to 64