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ASTM Grade LC2-1 Steel vs. AWS BAu-1

ASTM grade LC2-1 steel belongs to the iron alloys classification, while AWS BAu-1 belongs to the otherwise unclassified metals. There are 15 material properties with values for both materials. Properties with values for just one material (18, in this case) are not shown.

For each property being compared, the top bar is ASTM grade LC2-1 steel and the bottom bar is AWS BAu-1.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Poisson's Ratio 0.29
0.37
Shear Modulus, GPa 73
40
Tensile Strength: Ultimate (UTS), MPa 810
210

Thermal Properties

Latent Heat of Fusion, J/g 260
150
Melting Completion (Liquidus), °C 1460
1020
Melting Onset (Solidus), °C 1420
990
Specific Heat Capacity, J/kg-K 470
290
Thermal Expansion, µm/m-K 13
16

Otherwise Unclassified Properties

Density, g/cm3 7.9
13

Common Calculations

Stiffness to Weight: Axial, points 13
4.7
Stiffness to Weight: Bending, points 24
12
Strength to Weight: Axial, points 29
4.5
Strength to Weight: Bending, points 25
6.1
Thermal Shock Resistance, points 24
8.5

Alloy Composition

Carbon (C), % 0 to 0.22
0
Chromium (Cr), % 1.4 to 1.9
0
Copper (Cu), % 0
61.9 to 63
Gold (Au), % 0
37 to 38
Iron (Fe), % 92.5 to 95.3
0
Manganese (Mn), % 0.55 to 0.75
0
Molybdenum (Mo), % 0.3 to 0.6
0
Nickel (Ni), % 2.5 to 3.5
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 0.5
0
Sulfur (S), % 0 to 0.045
0
Residuals, % 0
0 to 0.15