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EN 1.7117 Steel vs. SAE-AISI H42 Steel

Both EN 1.7117 steel and SAE-AISI H42 steel are iron alloys. They have 83% of their average alloy composition in common. There are 21 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is EN 1.7117 steel and the bottom bar is SAE-AISI H42 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 72
77
Tensile Strength: Ultimate (UTS), MPa 660 to 1930
700 to 1980

Thermal Properties

Latent Heat of Fusion, J/g 270
260
Melting Completion (Liquidus), °C 1440
1620
Melting Onset (Solidus), °C 1400
1570
Specific Heat Capacity, J/kg-K 480
440
Thermal Conductivity, W/m-K 43
24
Thermal Expansion, µm/m-K 13
12

Otherwise Unclassified Properties

Base Metal Price, % relative 2.6
24
Density, g/cm3 7.7
8.4
Embodied Carbon, kg CO2/kg material 1.5
8.8
Embodied Energy, MJ/kg 21
130
Embodied Water, L/kg 51
98

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 24 to 69
23 to 65
Strength to Weight: Bending, points 22 to 44
21 to 42
Thermal Diffusivity, mm2/s 12
6.5
Thermal Shock Resistance, points 20 to 58
20 to 57

Alloy Composition

Carbon (C), % 0.49 to 0.56
0.55 to 0.7
Chromium (Cr), % 0.7 to 1.0
3.8 to 4.5
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 95.2 to 96.4
79.3 to 83.8
Manganese (Mn), % 0.7 to 1.0
0.15 to 0.4
Molybdenum (Mo), % 0
4.5 to 5.5
Nickel (Ni), % 0.5 to 0.7
0 to 0.3
Phosphorus (P), % 0 to 0.025
0 to 0.030
Silicon (Si), % 1.2 to 1.5
0
Sulfur (S), % 0 to 0.025
0 to 0.030
Tungsten (W), % 0
5.5 to 6.8
Vanadium (V), % 0
1.8 to 2.2

Comparable Variants