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SAE-AISI 1084 Steel vs. AWS E430

Both SAE-AISI 1084 steel and AWS E430 are iron alloys. They have 82% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 1084 steel and the bottom bar is AWS E430.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 11
23
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 72
77
Tensile Strength: Ultimate (UTS), MPa 780 to 930
500

Thermal Properties

Latent Heat of Fusion, J/g 240
280
Melting Completion (Liquidus), °C 1450
1440
Melting Onset (Solidus), °C 1410
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 51
25
Thermal Expansion, µm/m-K 12
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
2.8
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
3.2

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
9.0
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.4
2.2
Embodied Energy, MJ/kg 19
31
Embodied Water, L/kg 46
120

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 28 to 33
18
Strength to Weight: Bending, points 24 to 27
18
Thermal Diffusivity, mm2/s 14
6.7
Thermal Shock Resistance, points 25 to 30
13

Alloy Composition

Carbon (C), % 0.8 to 0.93
0 to 0.1
Chromium (Cr), % 0
15 to 18
Copper (Cu), % 0
0 to 0.75
Iron (Fe), % 98.1 to 98.6
77.8 to 85
Manganese (Mn), % 0.6 to 0.9
0 to 1.0
Molybdenum (Mo), % 0
0 to 0.75
Nickel (Ni), % 0
0 to 0.6
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0
0 to 0.9
Sulfur (S), % 0 to 0.050
0 to 0.030