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SAE-AISI M42 Steel vs. K93050 Alloy

Both SAE-AISI M42 steel and K93050 alloy are iron alloys. They have 64% of their average alloy composition in common. There are 19 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI M42 steel and the bottom bar is K93050 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.29
0.3
Shear Modulus, GPa 78
72
Tensile Strength: Ultimate (UTS), MPa 810 to 2310
500 to 680

Thermal Properties

Latent Heat of Fusion, J/g 270
270
Melting Completion (Liquidus), °C 1540
1430
Melting Onset (Solidus), °C 1490
1380
Specific Heat Capacity, J/kg-K 450
460
Thermal Expansion, µm/m-K 12
12

Otherwise Unclassified Properties

Base Metal Price, % relative 30
26
Density, g/cm3 8.2
8.2
Embodied Carbon, kg CO2/kg material 7.4
4.7
Embodied Energy, MJ/kg 100
65
Embodied Water, L/kg 140
120

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 28 to 79
17 to 23
Strength to Weight: Bending, points 24 to 48
17 to 21
Thermal Shock Resistance, points 25 to 71
16 to 21

Alloy Composition

Carbon (C), % 1.1 to 1.2
0 to 0.15
Chromium (Cr), % 3.5 to 4.3
0 to 0.25
Cobalt (Co), % 7.8 to 8.8
0 to 0.5
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 76.3 to 81
61.4 to 63.9
Manganese (Mn), % 0.15 to 0.4
0 to 1.0
Molybdenum (Mo), % 9.0 to 10
0
Nickel (Ni), % 0 to 0.3
36
Phosphorus (P), % 0 to 0.030
0 to 0.020
Selenium (Se), % 0
0.15 to 0.3
Silicon (Si), % 0.15 to 0.65
0 to 0.35
Sulfur (S), % 0 to 0.030
0 to 0.020
Tungsten (W), % 1.2 to 1.9
0
Vanadium (V), % 1.0 to 1.4
0

Comparable Variants