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SAE-AISI M48 Steel vs. N08366 Stainless Steel

Both SAE-AISI M48 steel and N08366 stainless steel are iron alloys. They have 56% 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 M48 steel and the bottom bar is N08366 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
210
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 78
80
Tensile Strength: Ultimate (UTS), MPa 890 to 2390
590

Thermal Properties

Latent Heat of Fusion, J/g 260
310
Melting Completion (Liquidus), °C 1670
1460
Melting Onset (Solidus), °C 1620
1410
Specific Heat Capacity, J/kg-K 420
460
Thermal Expansion, µm/m-K 12
16

Otherwise Unclassified Properties

Base Metal Price, % relative 48
33
Density, g/cm3 8.7
8.1
Embodied Carbon, kg CO2/kg material 13
6.2
Embodied Energy, MJ/kg 190
84
Embodied Water, L/kg 160
200

Common Calculations

PREN (Pitting Resistance) 37
42
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 22
24
Strength to Weight: Axial, points 28 to 76
20
Strength to Weight: Bending, points 23 to 45
19
Thermal Shock Resistance, points 26 to 71
13

Alloy Composition

Carbon (C), % 1.4 to 1.5
0 to 0.035
Chromium (Cr), % 3.5 to 4.0
20 to 22
Cobalt (Co), % 8.0 to 10
0
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 63.8 to 69.8
42.4 to 50.5
Manganese (Mn), % 0.15 to 0.4
0 to 2.0
Molybdenum (Mo), % 4.8 to 5.5
6.0 to 7.0
Nickel (Ni), % 0 to 0.3
23.5 to 25.5
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), % 9.5 to 10.5
0
Vanadium (V), % 2.8 to 3.3
0