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AWS E209 vs. SAE-AISI M50 Steel

Both AWS E209 and SAE-AISI M50 steel are iron alloys. They have 66% of their average alloy composition in common. There are 20 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is AWS E209 and the bottom bar is SAE-AISI M50 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 79
75
Tensile Strength: Ultimate (UTS), MPa 770
720 to 2250

Thermal Properties

Latent Heat of Fusion, J/g 300
260
Melting Completion (Liquidus), °C 1420
1480
Melting Onset (Solidus), °C 1370
1440
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 14
13

Otherwise Unclassified Properties

Base Metal Price, % relative 21
9.0
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 4.4
5.1
Embodied Energy, MJ/kg 63
74
Embodied Water, L/kg 180
83

Common Calculations

PREN (Pitting Resistance) 33
19
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 28
26 to 80
Strength to Weight: Bending, points 24
23 to 49
Thermal Shock Resistance, points 19
21 to 66

Alloy Composition

Carbon (C), % 0 to 0.060
0.78 to 0.88
Chromium (Cr), % 20.5 to 24
3.8 to 4.5
Copper (Cu), % 0 to 0.75
0 to 0.25
Iron (Fe), % 51.5 to 64.3
87 to 90.4
Manganese (Mn), % 4.0 to 7.0
0.15 to 0.45
Molybdenum (Mo), % 1.5 to 3.0
3.9 to 4.8
Nickel (Ni), % 9.5 to 12
0 to 0.3
Nitrogen (N), % 0.1 to 0.3
0
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.0
0.2 to 0.6
Sulfur (S), % 0 to 0.030
0 to 0.030
Vanadium (V), % 0.1 to 0.3
0.8 to 1.3