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Annealed AISI 202 vs. Annealed SAE-AISI M62

Both annealed AISI 202 and annealed SAE-AISI M62 are iron alloys. Both are furnished in the annealed condition. They have 72% of their average alloy composition in common. There are 21 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 AISI 202 and the bottom bar is annealed SAE-AISI M62.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
250
Elastic (Young's, Tensile) Modulus, GPa 200
200
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
79
Tensile Strength: Ultimate (UTS), MPa 700
830

Thermal Properties

Latent Heat of Fusion, J/g 290
260
Melting Completion (Liquidus), °C 1400
1650
Melting Onset (Solidus), °C 1360
1600
Specific Heat Capacity, J/kg-K 480
430
Thermal Expansion, µm/m-K 17
12

Otherwise Unclassified Properties

Base Metal Price, % relative 13
30
Density, g/cm3 7.7
8.5
Embodied Carbon, kg CO2/kg material 2.8
10
Embodied Energy, MJ/kg 40
150
Embodied Water, L/kg 150
110

Common Calculations

PREN (Pitting Resistance) 20
49
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 25
27
Strength to Weight: Bending, points 23
23
Thermal Shock Resistance, points 15
24

Alloy Composition

Carbon (C), % 0 to 0.15
1.3 to 1.4
Chromium (Cr), % 17 to 19
3.5 to 4.0
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 63.5 to 71.5
73.6 to 77.4
Manganese (Mn), % 7.5 to 10
0.15 to 0.4
Molybdenum (Mo), % 0
10 to 11
Nickel (Ni), % 4.0 to 6.0
0 to 0.3
Nitrogen (N), % 0 to 0.25
0
Phosphorus (P), % 0 to 0.060
0 to 0.030
Silicon (Si), % 0 to 1.0
0.15 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 0
5.8 to 6.5
Vanadium (V), % 0
1.8 to 2.1