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S46910 Stainless Steel vs. SAE-AISI M2 Steel

Both S46910 stainless steel and SAE-AISI M2 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 (12, in this case) are not shown.

For each property being compared, the top bar is S46910 stainless steel and the bottom bar is SAE-AISI M2 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
77
Tensile Strength: Ultimate (UTS), MPa 680 to 2470
760 to 2150

Thermal Properties

Latent Heat of Fusion, J/g 280
260
Melting Completion (Liquidus), °C 1460
1610
Melting Onset (Solidus), °C 1420
1570
Specific Heat Capacity, J/kg-K 470
440
Thermal Expansion, µm/m-K 11
10

Otherwise Unclassified Properties

Base Metal Price, % relative 18
24
Density, g/cm3 7.9
8.4
Embodied Carbon, kg CO2/kg material 4.1
8.8
Embodied Energy, MJ/kg 55
130
Embodied Water, L/kg 140
98

Common Calculations

PREN (Pitting Resistance) 25
31
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 24 to 86
25 to 71
Strength to Weight: Bending, points 22 to 51
22 to 44
Thermal Shock Resistance, points 23 to 84
27 to 76

Alloy Composition

Aluminum (Al), % 0.15 to 0.5
0
Carbon (C), % 0 to 0.030
0.78 to 1.1
Chromium (Cr), % 11 to 13
3.8 to 4.5
Copper (Cu), % 1.5 to 3.5
0 to 0.25
Iron (Fe), % 65 to 76
78.5 to 83.4
Manganese (Mn), % 0 to 1.0
0.15 to 0.4
Molybdenum (Mo), % 3.0 to 5.0
4.5 to 5.5
Nickel (Ni), % 8.0 to 10
0 to 0.3
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0 to 0.7
0.2 to 0.45
Sulfur (S), % 0 to 0.015
0 to 0.030
Titanium (Ti), % 0.5 to 1.2
0
Tungsten (W), % 0
5.5 to 6.8
Vanadium (V), % 0
1.8 to 2.2

Comparable Variants