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AWS E320 vs. SAE-AISI M46 Steel

Both AWS E320 and SAE-AISI M46 steel are iron alloys. They have 45% of their average alloy composition in common. There are 20 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 E320 and the bottom bar is SAE-AISI M46 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 77
77
Tensile Strength: Ultimate (UTS), MPa 620
800 to 2300

Thermal Properties

Latent Heat of Fusion, J/g 300
270
Melting Completion (Liquidus), °C 1410
1540
Melting Onset (Solidus), °C 1360
1500
Specific Heat Capacity, J/kg-K 460
450
Thermal Expansion, µm/m-K 14
12

Otherwise Unclassified Properties

Base Metal Price, % relative 38
33
Density, g/cm3 8.2
8.1
Embodied Carbon, kg CO2/kg material 6.5
12
Embodied Energy, MJ/kg 91
180
Embodied Water, L/kg 220
150

Common Calculations

PREN (Pitting Resistance) 28
35
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 21
27 to 78
Strength to Weight: Bending, points 20
24 to 48
Thermal Shock Resistance, points 16
25 to 71

Alloy Composition

Carbon (C), % 0 to 0.070
1.2 to 1.3
Chromium (Cr), % 19 to 21
3.7 to 4.2
Cobalt (Co), % 0
7.8 to 8.8
Copper (Cu), % 3.0 to 4.0
0 to 0.25
Iron (Fe), % 31.8 to 43.5
70 to 73.8
Manganese (Mn), % 0.5 to 2.5
0.2 to 0.4
Molybdenum (Mo), % 2.0 to 3.0
8.0 to 8.5
Nickel (Ni), % 32 to 36
0 to 0.3
Niobium (Nb), % 0 to 1.0
0
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 0.6
0.4 to 0.65
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 0
1.9 to 2.2
Vanadium (V), % 0
3.0 to 3.3