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SAE-AISI M62 Steel vs. S30415 Stainless Steel

Both SAE-AISI M62 steel and S30415 stainless steel are iron alloys. They have 74% 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 S30415 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 79
77
Tensile Strength: Ultimate (UTS), MPa 830 to 2440
670

Thermal Properties

Latent Heat of Fusion, J/g 260
300
Melting Completion (Liquidus), °C 1650
1410
Melting Onset (Solidus), °C 1600
1370
Specific Heat Capacity, J/kg-K 430
480
Thermal Expansion, µm/m-K 12
17

Otherwise Unclassified Properties

Base Metal Price, % relative 30
15
Density, g/cm3 8.5
7.7
Embodied Carbon, kg CO2/kg material 10
3.1
Embodied Energy, MJ/kg 150
43
Embodied Water, L/kg 110
140

Common Calculations

PREN (Pitting Resistance) 49
21
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 27 to 80
24
Strength to Weight: Bending, points 23 to 47
22
Thermal Shock Resistance, points 24 to 71
15

Alloy Composition

Carbon (C), % 1.3 to 1.4
0.040 to 0.060
Cerium (Ce), % 0
0.030 to 0.080
Chromium (Cr), % 3.5 to 4.0
18 to 19
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 73.6 to 77.4
67.8 to 71.8
Manganese (Mn), % 0.15 to 0.4
0 to 0.8
Molybdenum (Mo), % 10 to 11
0
Nickel (Ni), % 0 to 0.3
9.0 to 10
Nitrogen (N), % 0
0.12 to 0.18
Phosphorus (P), % 0 to 0.030
0 to 0.045
Silicon (Si), % 0.15 to 0.4
1.0 to 2.0
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