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AWS BAg-37 vs. SAE-AISI O2 Steel

AWS BAg-37 belongs to the otherwise unclassified metals classification, while SAE-AISI O2 steel belongs to the iron alloys. There are 17 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is AWS BAg-37 and the bottom bar is SAE-AISI O2 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 94
190
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 36
72
Tensile Strength: Ultimate (UTS), MPa 180
640 to 2050

Thermal Properties

Latent Heat of Fusion, J/g 150
250
Melting Completion (Liquidus), °C 780
1450
Melting Onset (Solidus), °C 690
1410
Specific Heat Capacity, J/kg-K 350
470
Thermal Expansion, µm/m-K 21
11

Otherwise Unclassified Properties

Density, g/cm3 8.5
7.8
Embodied Carbon, kg CO2/kg material 26
1.8
Embodied Energy, MJ/kg 410
26

Common Calculations

Stiffness to Weight: Axial, points 6.1
13
Stiffness to Weight: Bending, points 18
24
Strength to Weight: Axial, points 5.9
23 to 73
Strength to Weight: Bending, points 8.3
21 to 46
Thermal Shock Resistance, points 6.6
22 to 70

Alloy Composition

Carbon (C), % 0
0.85 to 1.0
Chromium (Cr), % 0
0 to 0.5
Copper (Cu), % 39 to 41
0 to 0.25
Iron (Fe), % 0
95 to 97.8
Manganese (Mn), % 0
1.4 to 1.8
Molybdenum (Mo), % 0
0 to 0.3
Nickel (Ni), % 0
0 to 0.3
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0 to 0.5
Silver (Ag), % 24 to 26
0
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 1.5 to 2.5
0
Vanadium (V), % 0
0 to 0.3
Zinc (Zn), % 31 to 35
0
Residuals, % 0 to 0.15
0