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SAE-AISI M34 Steel vs. N08366 Stainless Steel

Both SAE-AISI M34 steel and N08366 stainless steel are iron alloys. They have 57% 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 M34 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 77
80
Tensile Strength: Ultimate (UTS), MPa 800 to 2170
590

Thermal Properties

Latent Heat of Fusion, J/g 270
310
Melting Completion (Liquidus), °C 1540
1460
Melting Onset (Solidus), °C 1500
1410
Specific Heat Capacity, J/kg-K 450
460
Thermal Conductivity, W/m-K 24
13
Thermal Expansion, µm/m-K 12
16

Otherwise Unclassified Properties

Base Metal Price, % relative 32
33
Density, g/cm3 8.2
8.1
Embodied Carbon, kg CO2/kg material 9.5
6.2
Embodied Energy, MJ/kg 140
84
Embodied Water, L/kg 150
200

Common Calculations

PREN (Pitting Resistance) 35
42
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 27 to 74
20
Strength to Weight: Bending, points 23 to 46
19
Thermal Diffusivity, mm2/s 6.7
3.4
Thermal Shock Resistance, points 25 to 67
13

Alloy Composition

Carbon (C), % 0.85 to 0.92
0 to 0.035
Chromium (Cr), % 3.5 to 4.0
20 to 22
Cobalt (Co), % 7.8 to 8.8
0
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 71.3 to 76.5
42.4 to 50.5
Manganese (Mn), % 0.15 to 0.4
0 to 2.0
Molybdenum (Mo), % 7.8 to 9.2
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), % 0.2 to 0.45
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 1.4 to 2.1
0
Vanadium (V), % 1.9 to 2.3
0