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SAE-AISI M48 Steel vs. N08810 Stainless Steel

Both SAE-AISI M48 steel and N08810 stainless steel are iron alloys. They have 50% of their average alloy composition in common. There are 20 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI M48 steel and the bottom bar is N08810 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 78
77
Tensile Strength: Ultimate (UTS), MPa 890 to 2390
520

Thermal Properties

Latent Heat of Fusion, J/g 260
300
Melting Completion (Liquidus), °C 1670
1400
Melting Onset (Solidus), °C 1620
1350
Specific Heat Capacity, J/kg-K 420
480
Thermal Expansion, µm/m-K 12
14

Otherwise Unclassified Properties

Base Metal Price, % relative 48
30
Density, g/cm3 8.7
8.0
Embodied Carbon, kg CO2/kg material 13
5.3
Embodied Energy, MJ/kg 190
76
Embodied Water, L/kg 160
200

Common Calculations

PREN (Pitting Resistance) 37
21
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 22
24
Strength to Weight: Axial, points 28 to 76
18
Strength to Weight: Bending, points 23 to 45
18
Thermal Shock Resistance, points 26 to 71
13

Alloy Composition

Aluminum (Al), % 0
0.15 to 0.6
Carbon (C), % 1.4 to 1.5
0.050 to 0.1
Chromium (Cr), % 3.5 to 4.0
19 to 23
Cobalt (Co), % 8.0 to 10
0
Copper (Cu), % 0 to 0.25
0 to 0.75
Iron (Fe), % 63.8 to 69.8
39.5 to 50.7
Manganese (Mn), % 0.15 to 0.4
0 to 1.5
Molybdenum (Mo), % 4.8 to 5.5
0
Nickel (Ni), % 0 to 0.3
30 to 35
Phosphorus (P), % 0 to 0.030
0 to 0.045
Silicon (Si), % 0.15 to 0.4
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015
Titanium (Ti), % 0
0.15 to 0.6
Tungsten (W), % 9.5 to 10.5
0
Vanadium (V), % 2.8 to 3.3
0