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SAE-AISI M43 Steel vs. AWS E309L

Both SAE-AISI M43 steel and AWS E309L are iron alloys. They have 66% 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 M43 steel and the bottom bar is AWS E309L.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 77
79
Tensile Strength: Ultimate (UTS), MPa 810 to 2290
580

Thermal Properties

Latent Heat of Fusion, J/g 270
300
Melting Completion (Liquidus), °C 1550
1420
Melting Onset (Solidus), °C 1500
1370
Specific Heat Capacity, J/kg-K 450
480
Thermal Conductivity, W/m-K 19
15
Thermal Expansion, µm/m-K 12
14

Otherwise Unclassified Properties

Base Metal Price, % relative 33
20
Density, g/cm3 8.2
7.8
Embodied Carbon, kg CO2/kg material 8.5
3.7
Embodied Energy, MJ/kg 120
52
Embodied Water, L/kg 140
180

Common Calculations

PREN (Pitting Resistance) 35
25
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 27 to 77
21
Strength to Weight: Bending, points 24 to 47
20
Thermal Diffusivity, mm2/s 5.3
4.0
Thermal Shock Resistance, points 25 to 71
15

Alloy Composition

Carbon (C), % 1.2 to 1.3
0 to 0.040
Chromium (Cr), % 3.5 to 4.3
22 to 25
Cobalt (Co), % 7.8 to 8.8
0
Copper (Cu), % 0 to 0.25
0 to 0.75
Iron (Fe), % 70.8 to 76
55.9 to 65.5
Manganese (Mn), % 0.2 to 0.4
0.5 to 2.5
Molybdenum (Mo), % 7.5 to 8.5
0 to 0.75
Nickel (Ni), % 0 to 0.3
12 to 14
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0.15 to 0.65
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 2.3 to 3.0
0
Vanadium (V), % 1.5 to 1.8
0