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SAE-AISI M3 Class 1 Steel vs. S46500 Stainless Steel

Both SAE-AISI M3 class 1 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 M3 class 1 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 77
75
Tensile Strength: Ultimate (UTS), MPa 770 to 2150
1260 to 1930

Thermal Properties

Latent Heat of Fusion, J/g 260
280
Melting Completion (Liquidus), °C 1610
1450
Melting Onset (Solidus), °C 1570
1410
Specific Heat Capacity, J/kg-K 440
470
Thermal Expansion, µm/m-K 12
11

Otherwise Unclassified Properties

Base Metal Price, % relative 25
15
Density, g/cm3 8.3
7.9
Embodied Carbon, kg CO2/kg material 10
3.6
Embodied Energy, MJ/kg 150
51
Embodied Water, L/kg 100
120

Common Calculations

PREN (Pitting Resistance) 33
15
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 26 to 72
44 to 68
Strength to Weight: Bending, points 22 to 44
33 to 44
Thermal Shock Resistance, points 24 to 67
44 to 67

Alloy Composition

Carbon (C), % 1.0 to 1.1
0 to 0.020
Chromium (Cr), % 3.8 to 4.5
11 to 12.5
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 76.9 to 82.9
72.6 to 76.1
Manganese (Mn), % 0.15 to 0.4
0 to 0.25
Molybdenum (Mo), % 4.8 to 6.5
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), % 0.2 to 0.45
0 to 0.25
Sulfur (S), % 0 to 0.030
0 to 0.010
Titanium (Ti), % 0
1.5 to 1.8
Tungsten (W), % 5.0 to 6.8
0
Vanadium (V), % 2.3 to 2.8
0

Comparable Variants