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EN 1.4606 Stainless Steel vs. SAE-AISI M42 Steel

Both EN 1.4606 stainless steel and SAE-AISI M42 steel are iron alloys. They have 60% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is EN 1.4606 stainless steel and the bottom bar is SAE-AISI M42 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 75
78
Tensile Strength: Ultimate (UTS), MPa 600 to 1020
810 to 2310

Thermal Properties

Latent Heat of Fusion, J/g 300
270
Melting Completion (Liquidus), °C 1430
1540
Melting Onset (Solidus), °C 1380
1490
Specific Heat Capacity, J/kg-K 470
450
Thermal Conductivity, W/m-K 14
20
Thermal Expansion, µm/m-K 11
12

Otherwise Unclassified Properties

Base Metal Price, % relative 26
30
Density, g/cm3 7.9
8.2
Embodied Carbon, kg CO2/kg material 6.0
7.4
Embodied Energy, MJ/kg 87
100
Embodied Water, L/kg 170
140

Common Calculations

PREN (Pitting Resistance) 19
38
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 21 to 36
28 to 79
Strength to Weight: Bending, points 20 to 28
24 to 48
Thermal Diffusivity, mm2/s 3.7
5.4
Thermal Shock Resistance, points 21 to 35
25 to 71

Alloy Composition

Aluminum (Al), % 0 to 0.35
0
Boron (B), % 0.0010 to 0.010
0
Carbon (C), % 0 to 0.080
1.1 to 1.2
Chromium (Cr), % 13 to 16
3.5 to 4.3
Cobalt (Co), % 0
7.8 to 8.8
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 49.2 to 59
76.3 to 81
Manganese (Mn), % 1.0 to 2.0
0.15 to 0.4
Molybdenum (Mo), % 1.0 to 1.5
9.0 to 10
Nickel (Ni), % 24 to 27
0 to 0.3
Phosphorus (P), % 0 to 0.025
0 to 0.030
Silicon (Si), % 0 to 1.0
0.15 to 0.65
Sulfur (S), % 0 to 0.015
0 to 0.030
Titanium (Ti), % 1.9 to 2.3
0
Tungsten (W), % 0
1.2 to 1.9
Vanadium (V), % 0.1 to 0.5
1.0 to 1.4