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SAE-AISI H43 Steel vs. SAE-AISI H24 Steel

Both SAE-AISI H43 steel and SAE-AISI H24 steel are iron alloys. They have 85% of their average alloy composition in common.

For each property being compared, the top bar is SAE-AISI H43 steel and the bottom bar is SAE-AISI H24 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 77
78
Tensile Strength: Ultimate (UTS), MPa 710 to 2140
720 to 1990

Thermal Properties

Latent Heat of Fusion, J/g 270
240
Melting Completion (Liquidus), °C 1530
1750
Melting Onset (Solidus), °C 1480
1700
Specific Heat Capacity, J/kg-K 460
420
Thermal Conductivity, W/m-K 30
27
Thermal Expansion, µm/m-K 12
12

Otherwise Unclassified Properties

Base Metal Price, % relative 14
37
Density, g/cm3 7.9
9.1
Embodied Carbon, kg CO2/kg material 8.2
6.1
Embodied Energy, MJ/kg 120
93
Embodied Water, L/kg 100
78

Common Calculations

PREN (Pitting Resistance) 31
28
Stiffness to Weight: Axial, points 14
12
Stiffness to Weight: Bending, points 24
22
Strength to Weight: Axial, points 25 to 75
22 to 61
Strength to Weight: Bending, points 22 to 46
20 to 39
Thermal Diffusivity, mm2/s 8.3
6.9
Thermal Shock Resistance, points 21 to 62
22 to 61

Alloy Composition

Carbon (C), % 0.5 to 0.65
0.42 to 0.53
Chromium (Cr), % 3.8 to 4.5
2.5 to 3.5
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 83.2 to 85.9
78 to 82.4
Manganese (Mn), % 0.15 to 0.4
0.15 to 0.4
Molybdenum (Mo), % 7.8 to 8.5
0
Nickel (Ni), % 0
0 to 0.3
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0.2 to 0.45
0.15 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 0
14 to 16
Vanadium (V), % 1.8 to 2.2
0.4 to 0.6

Comparable Variants