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ASTM A216 Cast Steel vs. R30556 Alloy

Both ASTM A216 cast steel and R30556 alloy are iron alloys. There are 29 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 A216 cast steel and the bottom bar is R30556 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 25 to 27
45
Fatigue Strength, MPa 170 to 230
320
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 72
81
Tensile Strength: Ultimate (UTS), MPa 500 to 570
780
Tensile Strength: Yield (Proof), MPa 230 to 310
350

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Maximum Temperature: Mechanical, °C 400
1100
Melting Completion (Liquidus), °C 1450 to 1460
1420
Melting Onset (Solidus), °C 1410
1330
Specific Heat Capacity, J/kg-K 470
450
Thermal Conductivity, W/m-K 49 to 52
11
Thermal Expansion, µm/m-K 12
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1 to 7.2
1.8
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2 to 8.3
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
70
Density, g/cm3 7.8
8.4
Embodied Carbon, kg CO2/kg material 1.4
8.7
Embodied Energy, MJ/kg 18
130
Embodied Water, L/kg 45
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 120
290
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 250
290
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 18 to 20
26
Strength to Weight: Bending, points 18 to 20
22
Thermal Diffusivity, mm2/s 13 to 14
2.9
Thermal Shock Resistance, points 16 to 18
18