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SAE-AISI M1 Steel vs. N08330 Stainless Steel

Both SAE-AISI M1 steel and N08330 stainless steel are iron alloys. They have 48% of their average alloy composition in common. There are 22 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 M1 steel and the bottom bar is N08330 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 77
76
Tensile Strength: Ultimate (UTS), MPa 730 to 2140
550

Thermal Properties

Latent Heat of Fusion, J/g 270
310
Melting Completion (Liquidus), °C 1560
1390
Melting Onset (Solidus), °C 1510
1340
Specific Heat Capacity, J/kg-K 450
480
Thermal Conductivity, W/m-K 29
12
Thermal Expansion, µm/m-K 12
16

Otherwise Unclassified Properties

Base Metal Price, % relative 18
32
Density, g/cm3 8.1
8.0
Embodied Carbon, kg CO2/kg material 7.0
5.4
Embodied Energy, MJ/kg 99
77
Embodied Water, L/kg 98
190

Common Calculations

PREN (Pitting Resistance) 35
19
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 25 to 73
19
Strength to Weight: Bending, points 22 to 45
18
Thermal Diffusivity, mm2/s 8.0
3.1
Thermal Shock Resistance, points 23 to 66
13

Alloy Composition

Carbon (C), % 0.78 to 0.88
0 to 0.080
Chromium (Cr), % 3.5 to 4.0
17 to 20
Copper (Cu), % 0 to 0.25
0 to 1.0
Iron (Fe), % 81 to 84.8
38.3 to 48.3
Lead (Pb), % 0
0 to 0.0050
Manganese (Mn), % 0.15 to 0.4
0 to 2.0
Molybdenum (Mo), % 8.2 to 9.2
0
Nickel (Ni), % 0 to 0.3
34 to 37
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0.2 to 0.5
0.75 to 1.5
Sulfur (S), % 0 to 0.030
0 to 0.030
Tin (Sn), % 0
0 to 0.025
Tungsten (W), % 1.4 to 2.1
0
Vanadium (V), % 1.0 to 1.4
0