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SAE-AISI H23 Steel vs. EN 1.7703 Steel

Both SAE-AISI H23 steel and EN 1.7703 steel are iron alloys. They have 77% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI H23 steel and the bottom bar is EN 1.7703 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
74
Tensile Strength: Ultimate (UTS), MPa 760 to 1550
670 to 690

Thermal Properties

Latent Heat of Fusion, J/g 260
250
Melting Completion (Liquidus), °C 1680
1470
Melting Onset (Solidus), °C 1630
1430
Specific Heat Capacity, J/kg-K 440
470
Thermal Conductivity, W/m-K 20
39
Thermal Expansion, µm/m-K 12
13

Otherwise Unclassified Properties

Base Metal Price, % relative 34
4.2
Density, g/cm3 8.7
7.9
Embodied Carbon, kg CO2/kg material 6.9
2.5
Embodied Energy, MJ/kg 110
35
Embodied Water, L/kg 120
61

Common Calculations

PREN (Pitting Resistance) 32
5.6
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 22
24
Strength to Weight: Axial, points 24 to 49
24
Strength to Weight: Bending, points 21 to 34
22
Thermal Diffusivity, mm2/s 5.2
11
Thermal Shock Resistance, points 23 to 47
19 to 20

Alloy Composition

Carbon (C), % 0.25 to 0.35
0.11 to 0.15
Chromium (Cr), % 11 to 12.8
2.0 to 2.5
Copper (Cu), % 0 to 0.25
0 to 0.2
Iron (Fe), % 71.3 to 76.7
94.6 to 96.4
Manganese (Mn), % 0.15 to 0.4
0.3 to 0.6
Molybdenum (Mo), % 0
0.9 to 1.1
Nickel (Ni), % 0 to 0.3
0 to 0.25
Niobium (Nb), % 0
0 to 0.070
Nitrogen (N), % 0
0 to 0.012
Phosphorus (P), % 0 to 0.030
0 to 0.015
Silicon (Si), % 0.15 to 0.6
0 to 0.1
Sulfur (S), % 0 to 0.030
0 to 0.0050
Titanium (Ti), % 0
0 to 0.030
Tungsten (W), % 11 to 12.8
0
Vanadium (V), % 0.75 to 1.3
0.25 to 0.35