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SAE-AISI H24 Steel vs. EN 1.4021 Stainless Steel

Both SAE-AISI H24 steel and EN 1.4021 stainless steel are iron alloys. They have 84% 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 1.4021 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 78
76
Tensile Strength: Ultimate (UTS), MPa 720 to 1990
630 to 880

Thermal Properties

Latent Heat of Fusion, J/g 240
270
Melting Completion (Liquidus), °C 1750
1440
Melting Onset (Solidus), °C 1700
1400
Specific Heat Capacity, J/kg-K 420
480
Thermal Conductivity, W/m-K 27
30
Thermal Expansion, µm/m-K 12
11

Otherwise Unclassified Properties

Base Metal Price, % relative 37
7.0
Density, g/cm3 9.1
7.7
Embodied Carbon, kg CO2/kg material 6.1
1.9
Embodied Energy, MJ/kg 93
27
Embodied Water, L/kg 78
100

Common Calculations

PREN (Pitting Resistance) 28
13
Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 22
25
Strength to Weight: Axial, points 22 to 61
23 to 31
Strength to Weight: Bending, points 20 to 39
21 to 26
Thermal Diffusivity, mm2/s 6.9
8.1
Thermal Shock Resistance, points 22 to 61
22 to 31

Alloy Composition

Carbon (C), % 0.42 to 0.53
0.16 to 0.25
Chromium (Cr), % 2.5 to 3.5
12 to 14
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 78 to 82.4
83.2 to 87.8
Manganese (Mn), % 0.15 to 0.4
0 to 1.5
Nickel (Ni), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0.15 to 0.4
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015
Tungsten (W), % 14 to 16
0
Vanadium (V), % 0.4 to 0.6
0

Comparable Variants