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Annealed SAE-AISI M2 vs. Annealed S35000 Stainless Steel

Both annealed SAE-AISI M2 and annealed S35000 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 83% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is annealed SAE-AISI M2 and the bottom bar is annealed S35000 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
78
Tensile Strength: Ultimate (UTS), MPa 760
1570

Thermal Properties

Latent Heat of Fusion, J/g 260
280
Melting Completion (Liquidus), °C 1610
1460
Melting Onset (Solidus), °C 1570
1410
Specific Heat Capacity, J/kg-K 440
470
Thermal Conductivity, W/m-K 22
16
Thermal Expansion, µm/m-K 10
11

Otherwise Unclassified Properties

Base Metal Price, % relative 24
14
Density, g/cm3 8.4
7.8
Embodied Carbon, kg CO2/kg material 8.8
3.2
Embodied Energy, MJ/kg 130
44
Embodied Water, L/kg 98
130

Common Calculations

PREN (Pitting Resistance) 31
28
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 25
56
Strength to Weight: Bending, points 22
38
Thermal Diffusivity, mm2/s 5.9
4.4
Thermal Shock Resistance, points 27
51

Alloy Composition

Carbon (C), % 0.78 to 1.1
0.070 to 0.11
Chromium (Cr), % 3.8 to 4.5
16 to 17
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 78.5 to 83.4
72.7 to 76.9
Manganese (Mn), % 0.15 to 0.4
0.5 to 1.3
Molybdenum (Mo), % 4.5 to 5.5
2.5 to 3.2
Nickel (Ni), % 0 to 0.3
4.0 to 5.0
Nitrogen (N), % 0
0.070 to 0.13
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0.2 to 0.45
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 5.5 to 6.8
0
Vanadium (V), % 1.8 to 2.2
0