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SAE-AISI H23 Steel vs. SAE-AISI M10 Steel

Both SAE-AISI H23 steel and SAE-AISI M10 steel are iron alloys. They have 80% of their average alloy composition in common.

For each property being compared, the top bar is SAE-AISI H23 steel and the bottom bar is SAE-AISI M10 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 80
76
Tensile Strength: Ultimate (UTS), MPa 760 to 1550
740 to 2170

Thermal Properties

Latent Heat of Fusion, J/g 260
270
Melting Completion (Liquidus), °C 1680
1520
Melting Onset (Solidus), °C 1630
1470
Specific Heat Capacity, J/kg-K 440
460
Thermal Conductivity, W/m-K 20
31
Thermal Expansion, µm/m-K 12
12

Otherwise Unclassified Properties

Base Metal Price, % relative 34
14
Density, g/cm3 8.7
7.9
Embodied Carbon, kg CO2/kg material 6.9
8.3
Embodied Energy, MJ/kg 110
120
Embodied Water, L/kg 120
100

Common Calculations

PREN (Pitting Resistance) 32
31
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 22
24
Strength to Weight: Axial, points 24 to 49
26 to 76
Strength to Weight: Bending, points 21 to 34
23 to 47
Thermal Diffusivity, mm2/s 5.2
8.5
Thermal Shock Resistance, points 23 to 47
23 to 68

Alloy Composition

Carbon (C), % 0.25 to 0.35
0.84 to 1.1
Chromium (Cr), % 11 to 12.8
3.8 to 4.5
Copper (Cu), % 0 to 0.25
0 to 0.25
Iron (Fe), % 71.3 to 76.7
82.3 to 85.6
Manganese (Mn), % 0.15 to 0.4
0.1 to 0.4
Molybdenum (Mo), % 0
7.8 to 8.5
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
0.2 to 0.45
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 11 to 12.8
0
Vanadium (V), % 0.75 to 1.3
1.8 to 2.2

Comparable Variants