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ASTM A372 Grade H Steel vs. Austenitic Nodular Cast Iron

Both ASTM A372 grade H steel and austenitic nodular cast iron are iron alloys. There are 24 material properties with values for both materials. Properties with values for just one material (7, 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 austenitic nodular cast iron.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 280
140 to 240
Elastic (Young's, Tensile) Modulus, GPa 190
180 to 190
Elongation at Break, % 20 to 22
6.8 to 34
Poisson's Ratio 0.29
0.29 to 0.3
Shear Modulus, GPa 73
70 to 72
Tensile Strength: Ultimate (UTS), MPa 650 to 910
430 to 500
Tensile Strength: Yield (Proof), MPa 430 to 550
190 to 240

Thermal Properties

Latent Heat of Fusion, J/g 250
280 to 350
Melting Completion (Liquidus), °C 1460
1340 to 1400
Melting Onset (Solidus), °C 1420
1300 to 1360
Specific Heat Capacity, J/kg-K 470
470 to 490
Thermal Expansion, µm/m-K 13
13 to 14

Otherwise Unclassified Properties

Base Metal Price, % relative 2.3
16 to 25
Density, g/cm3 7.8
7.7 to 8.0
Embodied Carbon, kg CO2/kg material 1.5
3.5 to 4.9
Embodied Energy, MJ/kg 20
48 to 68
Embodied Water, L/kg 49
91 to 120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130 to 160
24 to 140
Resilience: Unit (Modulus of Resilience), kJ/m3 500 to 810
98 to 160
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24 to 25
Strength to Weight: Axial, points 23 to 32
15 to 18
Strength to Weight: Bending, points 21 to 27
16 to 18
Thermal Shock Resistance, points 19 to 27
12 to 15

Comparable Variants