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AWS E385 vs. SAE-AISI M3 Class 2 Steel

Both AWS E385 and SAE-AISI M3 class 2 steel are iron alloys. They have 56% 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 AWS E385 and the bottom bar is SAE-AISI M3 class 2 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 79
77
Tensile Strength: Ultimate (UTS), MPa 580
770 to 2210

Thermal Properties

Latent Heat of Fusion, J/g 300
260
Melting Completion (Liquidus), °C 1440
1620
Melting Onset (Solidus), °C 1390
1570
Specific Heat Capacity, J/kg-K 460
440
Thermal Conductivity, W/m-K 14
26
Thermal Expansion, µm/m-K 14
12

Otherwise Unclassified Properties

Base Metal Price, % relative 31
25
Density, g/cm3 8.1
8.3
Embodied Carbon, kg CO2/kg material 5.8
12
Embodied Energy, MJ/kg 79
180
Embodied Water, L/kg 200
110

Common Calculations

PREN (Pitting Resistance) 36
33
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 20
26 to 74
Strength to Weight: Bending, points 19
22 to 45
Thermal Diffusivity, mm2/s 3.6
7.2
Thermal Shock Resistance, points 15
24 to 69

Alloy Composition

Carbon (C), % 0 to 0.030
1.2 to 1.3
Chromium (Cr), % 19.5 to 21.5
3.8 to 4.5
Copper (Cu), % 1.2 to 2.0
0 to 0.25
Iron (Fe), % 41.8 to 50.1
75.8 to 82.3
Manganese (Mn), % 1.0 to 2.5
0.15 to 0.4
Molybdenum (Mo), % 4.2 to 5.2
4.8 to 6.5
Nickel (Ni), % 24 to 26
0 to 0.3
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0 to 0.9
0.2 to 0.45
Sulfur (S), % 0 to 0.020
0 to 0.030
Tungsten (W), % 0
5.0 to 6.8
Vanadium (V), % 0
2.8 to 3.8