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SAE-AISI M2 Steel vs. AWS E2209

Both SAE-AISI M2 steel and AWS E2209 are iron alloys. They have 71% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI M2 steel and the bottom bar is AWS E2209.

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
79
Tensile Strength: Ultimate (UTS), MPa 760 to 2150
770

Thermal Properties

Latent Heat of Fusion, J/g 260
300
Melting Completion (Liquidus), °C 1610
1440
Melting Onset (Solidus), °C 1570
1390
Specific Heat Capacity, J/kg-K 440
480
Thermal Conductivity, W/m-K 22
16
Thermal Expansion, µm/m-K 10
14

Otherwise Unclassified Properties

Base Metal Price, % relative 24
20
Density, g/cm3 8.4
7.8
Embodied Carbon, kg CO2/kg material 8.8
4.0
Embodied Energy, MJ/kg 130
55
Embodied Water, L/kg 98
170

Common Calculations

PREN (Pitting Resistance) 31
35
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 25 to 71
27
Strength to Weight: Bending, points 22 to 44
24
Thermal Diffusivity, mm2/s 5.9
4.3
Thermal Shock Resistance, points 27 to 76
20

Alloy Composition

Carbon (C), % 0.78 to 1.1
0 to 0.040
Chromium (Cr), % 3.8 to 4.5
21.5 to 23.5
Copper (Cu), % 0 to 0.25
0 to 0.75
Iron (Fe), % 78.5 to 83.4
58.4 to 66.9
Manganese (Mn), % 0.15 to 0.4
0.5 to 2.0
Molybdenum (Mo), % 4.5 to 5.5
2.5 to 3.5
Nickel (Ni), % 0 to 0.3
8.5 to 10.5
Nitrogen (N), % 0
0.080 to 0.2
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), % 5.5 to 6.8
0
Vanadium (V), % 1.8 to 2.2
0