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EN 1.4020 Stainless Steel vs. SAE-AISI H24 Steel

Both EN 1.4020 stainless steel and SAE-AISI H24 steel are iron alloys. They have 71% of their average alloy composition in common. There are 20 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 EN 1.4020 stainless steel and the bottom bar is SAE-AISI H24 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 77
78
Tensile Strength: Ultimate (UTS), MPa 770 to 1130
720 to 1990

Thermal Properties

Latent Heat of Fusion, J/g 280
240
Melting Completion (Liquidus), °C 1390
1750
Melting Onset (Solidus), °C 1350
1700
Specific Heat Capacity, J/kg-K 480
420
Thermal Expansion, µm/m-K 17
12

Otherwise Unclassified Properties

Base Metal Price, % relative 11
37
Density, g/cm3 7.6
9.1
Embodied Carbon, kg CO2/kg material 2.5
6.1
Embodied Energy, MJ/kg 37
93
Embodied Water, L/kg 150
78

Common Calculations

PREN (Pitting Resistance) 23
28
Stiffness to Weight: Axial, points 14
12
Stiffness to Weight: Bending, points 25
22
Strength to Weight: Axial, points 28 to 41
22 to 61
Strength to Weight: Bending, points 25 to 32
20 to 39
Thermal Shock Resistance, points 16 to 23
22 to 61

Alloy Composition

Carbon (C), % 0 to 0.15
0.42 to 0.53
Chromium (Cr), % 16.5 to 19
2.5 to 3.5
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 62.8 to 71.8
78 to 82.4
Manganese (Mn), % 11 to 14
0.15 to 0.4
Nickel (Ni), % 0.5 to 2.5
0 to 0.3
Nitrogen (N), % 0.2 to 0.45
0
Phosphorus (P), % 0 to 0.045
0 to 0.030
Silicon (Si), % 0 to 1.0
0.15 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 0
14 to 16
Vanadium (V), % 0
0.4 to 0.6