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ASTM A372 Grade H Steel vs. ASTM A216 Cast Steel

Both ASTM A372 grade H steel and ASTM A216 cast steel are iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is ASTM A372 grade H steel and the bottom bar is ASTM A216 cast steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 20 to 22
25 to 27
Fatigue Strength, MPa 310 to 380
170 to 230
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
72
Tensile Strength: Ultimate (UTS), MPa 650 to 910
500 to 570
Tensile Strength: Yield (Proof), MPa 430 to 550
230 to 310

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 410
400
Melting Completion (Liquidus), °C 1460
1450 to 1460
Melting Onset (Solidus), °C 1420
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 45
49 to 52
Thermal Expansion, µm/m-K 13
12

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 2.3
1.8
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.5
1.4
Embodied Energy, MJ/kg 20
18
Embodied Water, L/kg 49
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130 to 160
110 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 500 to 810
140 to 250
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 23 to 32
18 to 20
Strength to Weight: Bending, points 21 to 27
18 to 20
Thermal Diffusivity, mm2/s 12
13 to 14
Thermal Shock Resistance, points 19 to 27
16 to 18

Comparable Variants