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EN 1.6958 Steel vs. SAE-AISI H24 Steel

Both EN 1.6958 steel and SAE-AISI H24 steel are iron alloys. They have 83% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is EN 1.6958 steel and the bottom bar is SAE-AISI H24 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
78
Tensile Strength: Ultimate (UTS), MPa 1140
720 to 1990

Thermal Properties

Latent Heat of Fusion, J/g 250
240
Melting Completion (Liquidus), °C 1460
1750
Melting Onset (Solidus), °C 1420
1700
Specific Heat Capacity, J/kg-K 470
420
Thermal Conductivity, W/m-K 47
27
Thermal Expansion, µm/m-K 11
12

Otherwise Unclassified Properties

Base Metal Price, % relative 5.0
37
Density, g/cm3 7.9
9.1
Embodied Carbon, kg CO2/kg material 2.0
6.1
Embodied Energy, MJ/kg 27
93
Embodied Water, L/kg 60
78

Common Calculations

PREN (Pitting Resistance) 2.9
28
Stiffness to Weight: Axial, points 13
12
Stiffness to Weight: Bending, points 24
22
Strength to Weight: Axial, points 40
22 to 61
Strength to Weight: Bending, points 31
20 to 39
Thermal Diffusivity, mm2/s 13
6.9
Thermal Shock Resistance, points 39
22 to 61

Alloy Composition

Aluminum (Al), % 0.0050 to 0.050
0
Carbon (C), % 0.25 to 0.3
0.42 to 0.53
Chromium (Cr), % 1.2 to 1.7
2.5 to 3.5
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 92.6 to 94.5
78 to 82.4
Manganese (Mn), % 0.2 to 0.5
0.15 to 0.4
Molybdenum (Mo), % 0.35 to 0.55
0
Nickel (Ni), % 3.3 to 3.8
0 to 0.3
Phosphorus (P), % 0 to 0.020
0 to 0.030
Silicon (Si), % 0.15 to 0.3
0.15 to 0.4
Sulfur (S), % 0 to 0.015
0 to 0.030
Tungsten (W), % 0
14 to 16
Vanadium (V), % 0 to 0.12
0.4 to 0.6