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SAE-AISI H24 Steel vs. EN 1.4594 Stainless Steel

Both SAE-AISI H24 steel and EN 1.4594 stainless steel are iron alloys. They have 80% 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 H24 steel and the bottom bar is EN 1.4594 stainless 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 78
76
Tensile Strength: Ultimate (UTS), MPa 720 to 1990
1020 to 1170

Thermal Properties

Latent Heat of Fusion, J/g 240
280
Melting Completion (Liquidus), °C 1750
1450
Melting Onset (Solidus), °C 1700
1410
Specific Heat Capacity, J/kg-K 420
470
Thermal Conductivity, W/m-K 27
16
Thermal Expansion, µm/m-K 12
11

Otherwise Unclassified Properties

Base Metal Price, % relative 37
15
Density, g/cm3 9.1
7.9
Embodied Carbon, kg CO2/kg material 6.1
3.2
Embodied Energy, MJ/kg 93
45
Embodied Water, L/kg 78
130

Common Calculations

PREN (Pitting Resistance) 28
19
Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 22
25
Strength to Weight: Axial, points 22 to 61
36 to 41
Strength to Weight: Bending, points 20 to 39
29 to 31
Thermal Diffusivity, mm2/s 6.9
4.4
Thermal Shock Resistance, points 22 to 61
34 to 39

Alloy Composition

Carbon (C), % 0.42 to 0.53
0 to 0.070
Chromium (Cr), % 2.5 to 3.5
13 to 15
Copper (Cu), % 0 to 0.25
1.2 to 2.0
Iron (Fe), % 78 to 82.4
72.6 to 79.5
Manganese (Mn), % 0.15 to 0.4
0 to 1.0
Molybdenum (Mo), % 0
1.2 to 2.0
Nickel (Ni), % 0 to 0.3
5.0 to 6.0
Niobium (Nb), % 0
0.15 to 0.6
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0.15 to 0.4
0 to 0.7
Sulfur (S), % 0 to 0.030
0 to 0.015
Tungsten (W), % 14 to 16
0
Vanadium (V), % 0.4 to 0.6
0