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SAE-AISI H23 Steel vs. SAE-AISI A6 Steel

Both SAE-AISI H23 steel and SAE-AISI A6 steel are iron alloys. They have 76% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI H23 steel and the bottom bar is SAE-AISI A6 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 80
73
Tensile Strength: Ultimate (UTS), MPa 760 to 1550
750 to 1990

Thermal Properties

Latent Heat of Fusion, J/g 260
250
Melting Completion (Liquidus), °C 1680
1460
Melting Onset (Solidus), °C 1630
1410
Specific Heat Capacity, J/kg-K 440
470
Thermal Conductivity, W/m-K 20
41
Thermal Expansion, µm/m-K 12
12

Otherwise Unclassified Properties

Base Metal Price, % relative 34
3.7
Density, g/cm3 8.7
7.8
Embodied Carbon, kg CO2/kg material 6.9
1.8
Embodied Energy, MJ/kg 110
24
Embodied Water, L/kg 120
57

Common Calculations

PREN (Pitting Resistance) 32
4.8
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 22
24
Strength to Weight: Axial, points 24 to 49
27 to 71
Strength to Weight: Bending, points 21 to 34
23 to 45
Thermal Diffusivity, mm2/s 5.2
11
Thermal Shock Resistance, points 23 to 47
25 to 65

Alloy Composition

Carbon (C), % 0.25 to 0.35
0.65 to 0.75
Chromium (Cr), % 11 to 12.8
0.9 to 1.2
Copper (Cu), % 0 to 0.25
0 to 0.25
Iron (Fe), % 71.3 to 76.7
93 to 95.8
Manganese (Mn), % 0.15 to 0.4
1.8 to 2.5
Molybdenum (Mo), % 0
0.9 to 1.4
Nickel (Ni), % 0 to 0.3
0 to 0.3
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0.15 to 0.6
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 11 to 12.8
0
Vanadium (V), % 0.75 to 1.3
0

Comparable Variants