MakeItFrom.com
Menu (ESC)

SAE-AISI M42 Steel vs. S46500 Stainless Steel

Both SAE-AISI M42 steel and S46500 stainless steel are iron alloys. They have 80% of their average alloy composition in common. There are 20 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 SAE-AISI M42 steel and the bottom bar is S46500 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 78
75
Tensile Strength: Ultimate (UTS), MPa 810 to 2310
1260 to 1930

Thermal Properties

Latent Heat of Fusion, J/g 270
280
Melting Completion (Liquidus), °C 1540
1450
Melting Onset (Solidus), °C 1490
1410
Specific Heat Capacity, J/kg-K 450
470
Thermal Expansion, µm/m-K 12
11

Otherwise Unclassified Properties

Base Metal Price, % relative 30
15
Density, g/cm3 8.2
7.9
Embodied Carbon, kg CO2/kg material 7.4
3.6
Embodied Energy, MJ/kg 100
51
Embodied Water, L/kg 140
120

Common Calculations

PREN (Pitting Resistance) 38
15
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 28 to 79
44 to 68
Strength to Weight: Bending, points 24 to 48
33 to 44
Thermal Shock Resistance, points 25 to 71
44 to 67

Alloy Composition

Carbon (C), % 1.1 to 1.2
0 to 0.020
Chromium (Cr), % 3.5 to 4.3
11 to 12.5
Cobalt (Co), % 7.8 to 8.8
0
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 76.3 to 81
72.6 to 76.1
Manganese (Mn), % 0.15 to 0.4
0 to 0.25
Molybdenum (Mo), % 9.0 to 10
0.75 to 1.3
Nickel (Ni), % 0 to 0.3
10.7 to 11.3
Nitrogen (N), % 0
0 to 0.010
Phosphorus (P), % 0 to 0.030
0 to 0.015
Silicon (Si), % 0.15 to 0.65
0 to 0.25
Sulfur (S), % 0 to 0.030
0 to 0.010
Titanium (Ti), % 0
1.5 to 1.8
Tungsten (W), % 1.2 to 1.9
0
Vanadium (V), % 1.0 to 1.4
0

Comparable Variants