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SAE-AISI M46 Steel vs. S46910 Stainless Steel

Both SAE-AISI M46 steel and S46910 stainless steel are iron alloys. They have 79% 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 SAE-AISI M46 steel and the bottom bar is S46910 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 77
76
Tensile Strength: Ultimate (UTS), MPa 800 to 2300
680 to 2470

Thermal Properties

Latent Heat of Fusion, J/g 270
280
Melting Completion (Liquidus), °C 1540
1460
Melting Onset (Solidus), °C 1500
1420
Specific Heat Capacity, J/kg-K 450
470
Thermal Expansion, µm/m-K 12
11

Otherwise Unclassified Properties

Base Metal Price, % relative 33
18
Density, g/cm3 8.1
7.9
Embodied Carbon, kg CO2/kg material 12
4.1
Embodied Energy, MJ/kg 180
55
Embodied Water, L/kg 150
140

Common Calculations

PREN (Pitting Resistance) 35
25
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 27 to 78
24 to 86
Strength to Weight: Bending, points 24 to 48
22 to 51
Thermal Shock Resistance, points 25 to 71
23 to 84

Alloy Composition

Aluminum (Al), % 0
0.15 to 0.5
Carbon (C), % 1.2 to 1.3
0 to 0.030
Chromium (Cr), % 3.7 to 4.2
11 to 13
Cobalt (Co), % 7.8 to 8.8
0
Copper (Cu), % 0 to 0.25
1.5 to 3.5
Iron (Fe), % 70 to 73.8
65 to 76
Manganese (Mn), % 0.2 to 0.4
0 to 1.0
Molybdenum (Mo), % 8.0 to 8.5
3.0 to 5.0
Nickel (Ni), % 0 to 0.3
8.0 to 10
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0.4 to 0.65
0 to 0.7
Sulfur (S), % 0 to 0.030
0 to 0.015
Titanium (Ti), % 0
0.5 to 1.2
Tungsten (W), % 1.9 to 2.2
0
Vanadium (V), % 3.0 to 3.3
0

Comparable Variants