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AWS E383 vs. SAE-AISI 94B30 Steel

Both AWS E383 and SAE-AISI 94B30 steel are iron alloys. They have a modest 36% of their average alloy composition in common, which, by itself, doesn't mean much. There are 22 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is AWS E383 and the bottom bar is SAE-AISI 94B30 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 34
25
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 80
73
Tensile Strength: Ultimate (UTS), MPa 580
500

Thermal Properties

Latent Heat of Fusion, J/g 320
250
Melting Completion (Liquidus), °C 1420
1460
Melting Onset (Solidus), °C 1370
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 12
39
Thermal Expansion, µm/m-K 14
13

Otherwise Unclassified Properties

Base Metal Price, % relative 37
2.4
Density, g/cm3 8.1
7.8
Embodied Carbon, kg CO2/kg material 6.4
1.5
Embodied Energy, MJ/kg 89
20
Embodied Water, L/kg 240
49

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 20
18
Strength to Weight: Bending, points 19
18
Thermal Diffusivity, mm2/s 3.1
10
Thermal Shock Resistance, points 15
15

Alloy Composition

Boron (B), % 0
0.00050 to 0.0030
Carbon (C), % 0 to 0.030
0.28 to 0.33
Chromium (Cr), % 26.5 to 29
0.3 to 0.5
Copper (Cu), % 0.6 to 1.5
0
Iron (Fe), % 28.8 to 39.2
97 to 98.1
Manganese (Mn), % 0.5 to 2.5
0.75 to 1.0
Molybdenum (Mo), % 3.2 to 4.2
0.080 to 0.15
Nickel (Ni), % 30 to 33
0.3 to 0.6
Phosphorus (P), % 0 to 0.020
0 to 0.035
Silicon (Si), % 0 to 0.9
0.15 to 0.35
Sulfur (S), % 0 to 0.020
0 to 0.040