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AWS BAg-37 vs. Grade 250 Maraging Steel

AWS BAg-37 belongs to the otherwise unclassified metals classification, while grade 250 maraging steel belongs to the iron alloys. There are 17 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is AWS BAg-37 and the bottom bar is grade 250 maraging steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 94
190
Poisson's Ratio 0.32
0.3
Shear Modulus, GPa 36
75
Tensile Strength: Ultimate (UTS), MPa 180
970 to 1800

Thermal Properties

Latent Heat of Fusion, J/g 150
270
Melting Completion (Liquidus), °C 780
1480
Melting Onset (Solidus), °C 690
1430
Specific Heat Capacity, J/kg-K 350
450
Thermal Expansion, µm/m-K 21
12

Otherwise Unclassified Properties

Density, g/cm3 8.5
8.2
Embodied Carbon, kg CO2/kg material 26
4.9
Embodied Energy, MJ/kg 410
65

Common Calculations

Stiffness to Weight: Axial, points 6.1
13
Stiffness to Weight: Bending, points 18
23
Strength to Weight: Axial, points 5.9
33 to 61
Strength to Weight: Bending, points 8.3
26 to 40
Thermal Shock Resistance, points 6.6
29 to 54

Alloy Composition

Aluminum (Al), % 0
0.050 to 0.15
Boron (B), % 0
0 to 0.0030
Calcium (Ca), % 0
0 to 0.050
Carbon (C), % 0
0 to 0.030
Cobalt (Co), % 0
7.0 to 8.5
Copper (Cu), % 39 to 41
0
Iron (Fe), % 0
66.3 to 71.1
Manganese (Mn), % 0
0 to 0.1
Molybdenum (Mo), % 0
4.6 to 5.2
Nickel (Ni), % 0
17 to 19
Phosphorus (P), % 0
0 to 0.010
Silicon (Si), % 0
0 to 0.1
Silver (Ag), % 24 to 26
0
Sulfur (S), % 0
0 to 0.010
Tin (Sn), % 1.5 to 2.5
0
Titanium (Ti), % 0
0.3 to 0.5
Zinc (Zn), % 31 to 35
0
Zirconium (Zr), % 0
0 to 0.020
Residuals, % 0 to 0.15
0