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SAE-AISI H43 Steel vs. ACI-ASTM CN3M Steel

Both SAE-AISI H43 steel and ACI-ASTM CN3M steel are iron alloys. They have 57% of their average alloy composition in common. There are 22 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 SAE-AISI H43 steel and the bottom bar is ACI-ASTM CN3M steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 77
80
Tensile Strength: Ultimate (UTS), MPa 710 to 2140
500

Thermal Properties

Latent Heat of Fusion, J/g 270
310
Melting Completion (Liquidus), °C 1530
1450
Melting Onset (Solidus), °C 1480
1400
Specific Heat Capacity, J/kg-K 460
470
Thermal Conductivity, W/m-K 30
13
Thermal Expansion, µm/m-K 12
16

Otherwise Unclassified Properties

Base Metal Price, % relative 14
31
Density, g/cm3 7.9
8.1
Embodied Carbon, kg CO2/kg material 8.2
5.9
Embodied Energy, MJ/kg 120
80
Embodied Water, L/kg 100
200

Common Calculations

PREN (Pitting Resistance) 31
38
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 25 to 75
17
Strength to Weight: Bending, points 22 to 46
17
Thermal Diffusivity, mm2/s 8.3
3.4
Thermal Shock Resistance, points 21 to 62
11

Alloy Composition

Carbon (C), % 0.5 to 0.65
0 to 0.030
Chromium (Cr), % 3.8 to 4.5
20 to 22
Iron (Fe), % 83.2 to 85.9
42.4 to 52.5
Manganese (Mn), % 0.15 to 0.4
0 to 2.0
Molybdenum (Mo), % 7.8 to 8.5
4.5 to 5.5
Nickel (Ni), % 0
23 to 27
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0.2 to 0.45
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Vanadium (V), % 1.8 to 2.2
0