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AWS BAg-2 vs. SAE-AISI M7 Steel

AWS BAg-2 belongs to the otherwise unclassified metals classification, while SAE-AISI M7 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-2 and the bottom bar is SAE-AISI M7 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 82
200
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 31
77
Tensile Strength: Ultimate (UTS), MPa 180
760 to 2210

Thermal Properties

Latent Heat of Fusion, J/g 130
270
Melting Completion (Liquidus), °C 700
1560
Melting Onset (Solidus), °C 610
1510
Specific Heat Capacity, J/kg-K 310
450
Thermal Expansion, µm/m-K 22
12

Otherwise Unclassified Properties

Density, g/cm3 8.9
8.1
Embodied Carbon, kg CO2/kg material 35
8.9
Embodied Energy, MJ/kg 550
130

Common Calculations

Stiffness to Weight: Axial, points 5.1
14
Stiffness to Weight: Bending, points 16
24
Strength to Weight: Axial, points 5.6
26 to 76
Strength to Weight: Bending, points 7.9
23 to 47
Thermal Shock Resistance, points 7.0
24 to 69

Alloy Composition

Cadmium (Cd), % 17 to 19
0
Carbon (C), % 0
1.0 to 1.1
Chromium (Cr), % 0
3.5 to 4.0
Copper (Cu), % 25 to 27
0 to 0.25
Iron (Fe), % 0
79.8 to 83.8
Manganese (Mn), % 0
0.15 to 0.4
Molybdenum (Mo), % 0
8.2 to 9.2
Nickel (Ni), % 0
0 to 0.3
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0.2 to 0.55
Silver (Ag), % 34 to 36
0
Sulfur (S), % 0
0 to 0.030
Tungsten (W), % 0
1.4 to 2.1
Vanadium (V), % 0
1.8 to 2.3
Zinc (Zn), % 19 to 23
0
Residuals, % 0 to 0.15
0