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Grade 250 Maraging Steel vs. AWS BAg-37

Grade 250 maraging steel belongs to the iron alloys classification, while AWS BAg-37 belongs to the otherwise unclassified metals. 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 grade 250 maraging steel and the bottom bar is AWS BAg-37.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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