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SAE-AISI M62 Steel vs. S15500 Stainless Steel

Both SAE-AISI M62 steel and S15500 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 (16, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI M62 steel and the bottom bar is S15500 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
75
Tensile Strength: Ultimate (UTS), MPa 830 to 2440
890 to 1490

Thermal Properties

Latent Heat of Fusion, J/g 260
280
Melting Completion (Liquidus), °C 1650
1430
Melting Onset (Solidus), °C 1600
1380
Specific Heat Capacity, J/kg-K 430
480
Thermal Expansion, µm/m-K 12
11

Otherwise Unclassified Properties

Base Metal Price, % relative 30
13
Density, g/cm3 8.5
7.8
Embodied Carbon, kg CO2/kg material 10
2.7
Embodied Energy, MJ/kg 150
39
Embodied Water, L/kg 110
130

Common Calculations

PREN (Pitting Resistance) 49
15
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 27 to 80
32 to 53
Strength to Weight: Bending, points 23 to 47
26 to 37
Thermal Shock Resistance, points 24 to 71
30 to 50

Alloy Composition

Carbon (C), % 1.3 to 1.4
0 to 0.070
Chromium (Cr), % 3.5 to 4.0
14 to 15.5
Copper (Cu), % 0 to 0.25
2.5 to 4.5
Iron (Fe), % 73.6 to 77.4
71.9 to 79.9
Manganese (Mn), % 0.15 to 0.4
0 to 1.0
Molybdenum (Mo), % 10 to 11
0
Nickel (Ni), % 0 to 0.3
3.5 to 5.5
Niobium (Nb), % 0
0.15 to 0.45
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