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Grade 250 Maraging Steel vs. AWS BVAg-29

Grade 250 maraging steel belongs to the iron alloys classification, while AWS BVAg-29 belongs to the otherwise unclassified metals. There are 15 material properties with values for both materials. Properties with values for just one material (12, 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 BVAg-29.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
73
Poisson's Ratio 0.3
0.37
Shear Modulus, GPa 75
27
Tensile Strength: Ultimate (UTS), MPa 970 to 1800
180

Thermal Properties

Latent Heat of Fusion, J/g 270
120
Melting Completion (Liquidus), °C 1480
710
Melting Onset (Solidus), °C 1430
620
Specific Heat Capacity, J/kg-K 450
270
Thermal Expansion, µm/m-K 12
20

Otherwise Unclassified Properties

Density, g/cm3 8.2
9.7

Common Calculations

Stiffness to Weight: Axial, points 13
4.2
Stiffness to Weight: Bending, points 23
14
Strength to Weight: Axial, points 33 to 61
5.2
Strength to Weight: Bending, points 26 to 40
7.3
Thermal Shock Resistance, points 29 to 54
8.8

Alloy Composition

Aluminum (Al), % 0.050 to 0.15
0
Boron (B), % 0 to 0.0030
0
Cadmium (Cd), % 0
0 to 0.0010
Calcium (Ca), % 0 to 0.050
0
Carbon (C), % 0 to 0.030
0 to 0.0050
Cobalt (Co), % 7.0 to 8.5
0
Copper (Cu), % 0
22.5 to 25.5
Indium (In), % 0
14 to 15
Iron (Fe), % 66.3 to 71.1
0
Lead (Pb), % 0
0 to 0.0020
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 to 0.0020
Silicon (Si), % 0 to 0.1
0
Silver (Ag), % 0
60.5 to 62.5
Sulfur (S), % 0 to 0.010
0
Titanium (Ti), % 0.3 to 0.5
0
Zinc (Zn), % 0
0 to 0.0010
Zirconium (Zr), % 0 to 0.020
0