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Hardened AISI 410 vs. Hardened SAE-AISI M42

Both hardened AISI 410 and hardened SAE-AISI M42 are iron alloys. Both are furnished in the hardened (H) condition. 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 (14, in this case) are not shown.

For each property being compared, the top bar is hardened AISI 410 and the bottom bar is hardened SAE-AISI M42.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
78
Tensile Strength: Ultimate (UTS), MPa 770
2310

Thermal Properties

Latent Heat of Fusion, J/g 270
270
Melting Completion (Liquidus), °C 1530
1540
Melting Onset (Solidus), °C 1480
1490
Specific Heat Capacity, J/kg-K 480
450
Thermal Conductivity, W/m-K 30
20
Thermal Expansion, µm/m-K 11
12

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
30
Density, g/cm3 7.7
8.2
Embodied Carbon, kg CO2/kg material 1.9
7.4
Embodied Energy, MJ/kg 27
100
Embodied Water, L/kg 100
140

Common Calculations

PREN (Pitting Resistance) 13
38
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 28
79
Strength to Weight: Bending, points 24
48
Thermal Diffusivity, mm2/s 8.1
5.4
Thermal Shock Resistance, points 26
71

Alloy Composition

Carbon (C), % 0.080 to 0.15
1.1 to 1.2
Chromium (Cr), % 11.5 to 13.5
3.5 to 4.3
Cobalt (Co), % 0
7.8 to 8.8
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 83.5 to 88.4
76.3 to 81
Manganese (Mn), % 0 to 1.0
0.15 to 0.4
Molybdenum (Mo), % 0
9.0 to 10
Nickel (Ni), % 0 to 0.75
0 to 0.3
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.0
0.15 to 0.65
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 0
1.2 to 1.9
Vanadium (V), % 0
1.0 to 1.4