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SAE-AISI M62 Steel vs. S41045 Stainless Steel

Both SAE-AISI M62 steel and S41045 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 (14, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI M62 steel and the bottom bar is S41045 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 79
76
Tensile Strength: Ultimate (UTS), MPa 830 to 2440
430

Thermal Properties

Latent Heat of Fusion, J/g 260
270
Melting Completion (Liquidus), °C 1650
1450
Melting Onset (Solidus), °C 1600
1400
Specific Heat Capacity, J/kg-K 430
480
Thermal Expansion, µm/m-K 12
10

Otherwise Unclassified Properties

Base Metal Price, % relative 30
8.5
Density, g/cm3 8.5
7.8
Embodied Carbon, kg CO2/kg material 10
2.2
Embodied Energy, MJ/kg 150
31
Embodied Water, L/kg 110
100

Common Calculations

PREN (Pitting Resistance) 49
13
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 27 to 80
16
Strength to Weight: Bending, points 23 to 47
16
Thermal Shock Resistance, points 24 to 71
16

Alloy Composition

Carbon (C), % 1.3 to 1.4
0 to 0.030
Chromium (Cr), % 3.5 to 4.0
12 to 13
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 73.6 to 77.4
83.8 to 88
Manganese (Mn), % 0.15 to 0.4
0 to 1.0
Molybdenum (Mo), % 10 to 11
0
Nickel (Ni), % 0 to 0.3
0 to 0.5
Niobium (Nb), % 0
0 to 0.6
Nitrogen (N), % 0
0 to 0.030
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0.15 to 0.4
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 5.8 to 6.5
0
Vanadium (V), % 1.8 to 2.1
0