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SAE-AISI M48 Steel vs. N08028 Stainless Steel

Both SAE-AISI M48 steel and N08028 stainless steel are iron alloys. They have 43% 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 N08028 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
80
Tensile Strength: Ultimate (UTS), MPa 890 to 2390
570

Thermal Properties

Latent Heat of Fusion, J/g 260
320
Melting Completion (Liquidus), °C 1670
1420
Melting Onset (Solidus), °C 1620
1370
Specific Heat Capacity, J/kg-K 420
470
Thermal Expansion, µm/m-K 12
16

Otherwise Unclassified Properties

Base Metal Price, % relative 48
37
Density, g/cm3 8.7
8.1
Embodied Carbon, kg CO2/kg material 13
6.4
Embodied Energy, MJ/kg 190
89
Embodied Water, L/kg 160
240

Common Calculations

PREN (Pitting Resistance) 37
39
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 22
24
Strength to Weight: Axial, points 28 to 76
19
Strength to Weight: Bending, points 23 to 45
19
Thermal Shock Resistance, points 26 to 71
12

Alloy Composition

Carbon (C), % 1.4 to 1.5
0 to 0.030
Chromium (Cr), % 3.5 to 4.0
26 to 28
Cobalt (Co), % 8.0 to 10
0
Copper (Cu), % 0 to 0.25
0.6 to 1.4
Iron (Fe), % 63.8 to 69.8
29 to 40.4
Manganese (Mn), % 0.15 to 0.4
0 to 2.5
Molybdenum (Mo), % 4.8 to 5.5
3.0 to 4.0
Nickel (Ni), % 0 to 0.3
30 to 34
Phosphorus (P), % 0 to 0.030
0 to 0.030
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