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SAE-AISI T2 Steel vs. SAE-AISI H23 Steel

Both SAE-AISI T2 steel and SAE-AISI H23 steel are iron alloys. They have a moderately high 92% of their average alloy composition in common.

For each property being compared, the top bar is SAE-AISI T2 steel and the bottom bar is SAE-AISI H23 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 79
80
Tensile Strength: Ultimate (UTS), MPa 780 to 2150
760 to 1550

Thermal Properties

Latent Heat of Fusion, J/g 250
260
Melting Completion (Liquidus), °C 1820
1680
Melting Onset (Solidus), °C 1760
1630
Specific Heat Capacity, J/kg-K 410
440
Thermal Conductivity, W/m-K 19
20
Thermal Expansion, µm/m-K 12
12

Otherwise Unclassified Properties

Base Metal Price, % relative 46
34
Density, g/cm3 9.3
8.7
Embodied Carbon, kg CO2/kg material 11
6.9
Embodied Energy, MJ/kg 170
110
Embodied Water, L/kg 98
120

Common Calculations

PREN (Pitting Resistance) 36
32
Stiffness to Weight: Axial, points 12
13
Stiffness to Weight: Bending, points 21
22
Strength to Weight: Axial, points 23 to 64
24 to 49
Strength to Weight: Bending, points 20 to 40
21 to 34
Thermal Diffusivity, mm2/s 4.9
5.2
Thermal Shock Resistance, points 23 to 65
23 to 47

Alloy Composition

Carbon (C), % 0.8 to 0.9
0.25 to 0.35
Chromium (Cr), % 3.8 to 4.5
11 to 12.8
Copper (Cu), % 0 to 0.25
0 to 0.25
Iron (Fe), % 70.8 to 75.8
71.3 to 76.7
Manganese (Mn), % 0.2 to 0.4
0.15 to 0.4
Molybdenum (Mo), % 0 to 1.0
0
Nickel (Ni), % 0 to 0.3
0 to 0.3
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0.2 to 0.4
0.15 to 0.6
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 17.5 to 19
11 to 12.8
Vanadium (V), % 1.8 to 2.4
0.75 to 1.3

Comparable Variants