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AWS BAg-1a vs. SAE-AISI M34 Steel

AWS BAg-1a belongs to the otherwise unclassified metals classification, while SAE-AISI M34 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-1a and the bottom bar is SAE-AISI M34 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 77
200
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 29
77
Tensile Strength: Ultimate (UTS), MPa 180
800 to 2170

Thermal Properties

Latent Heat of Fusion, J/g 120
270
Melting Completion (Liquidus), °C 640
1540
Melting Onset (Solidus), °C 630
1500
Specific Heat Capacity, J/kg-K 280
450
Thermal Expansion, µm/m-K 22
12

Otherwise Unclassified Properties

Density, g/cm3 9.3
8.2
Embodied Carbon, kg CO2/kg material 48
9.5
Embodied Energy, MJ/kg 760
140

Common Calculations

Stiffness to Weight: Axial, points 4.6
14
Stiffness to Weight: Bending, points 15
24
Strength to Weight: Axial, points 5.4
27 to 74
Strength to Weight: Bending, points 7.6
23 to 46
Thermal Shock Resistance, points 7.5
25 to 67

Alloy Composition

Cadmium (Cd), % 17 to 19
0
Carbon (C), % 0
0.85 to 0.92
Chromium (Cr), % 0
3.5 to 4.0
Cobalt (Co), % 0
7.8 to 8.8
Copper (Cu), % 14.5 to 16.5
0 to 0.25
Iron (Fe), % 0
71.3 to 76.5
Manganese (Mn), % 0
0.15 to 0.4
Molybdenum (Mo), % 0
7.8 to 9.2
Nickel (Ni), % 0
0 to 0.3
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0.2 to 0.45
Silver (Ag), % 49 to 51
0
Sulfur (S), % 0
0 to 0.030
Tungsten (W), % 0
1.4 to 2.1
Vanadium (V), % 0
1.9 to 2.3
Zinc (Zn), % 14.5 to 18.5
0
Residuals, % 0 to 0.15
0