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AWS BAg-20 vs. SAE-AISI H42 Steel

AWS BAg-20 belongs to the otherwise unclassified metals classification, while SAE-AISI H42 steel belongs to the iron alloys. There are 17 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is AWS BAg-20 and the bottom bar is SAE-AISI H42 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 93
200
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 35
77
Tensile Strength: Ultimate (UTS), MPa 160
700 to 1980

Thermal Properties

Latent Heat of Fusion, J/g 150
260
Melting Completion (Liquidus), °C 770
1620
Melting Onset (Solidus), °C 680
1570
Specific Heat Capacity, J/kg-K 340
440
Thermal Expansion, µm/m-K 21
12

Otherwise Unclassified Properties

Density, g/cm3 8.6
8.4
Embodied Carbon, kg CO2/kg material 30
8.8
Embodied Energy, MJ/kg 480
130

Common Calculations

Stiffness to Weight: Axial, points 6.0
13
Stiffness to Weight: Bending, points 17
23
Strength to Weight: Axial, points 5.1
23 to 65
Strength to Weight: Bending, points 7.6
21 to 42
Thermal Shock Resistance, points 5.9
20 to 57

Alloy Composition

Carbon (C), % 0
0.55 to 0.7
Chromium (Cr), % 0
3.8 to 4.5
Copper (Cu), % 37 to 39
0 to 0.25
Iron (Fe), % 0
79.3 to 83.8
Manganese (Mn), % 0
0.15 to 0.4
Molybdenum (Mo), % 0
4.5 to 5.5
Nickel (Ni), % 0
0 to 0.3
Phosphorus (P), % 0
0 to 0.030
Silver (Ag), % 29 to 31
0
Sulfur (S), % 0
0 to 0.030
Tungsten (W), % 0
5.5 to 6.8
Vanadium (V), % 0
1.8 to 2.2
Zinc (Zn), % 30 to 34
0
Residuals, % 0 to 0.15
0