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Grade 250 Maraging Steel vs. C99400 Brass

Grade 250 maraging steel belongs to the iron alloys classification, while C99400 brass belongs to the copper alloys. There are 20 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 C99400 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
120
Poisson's Ratio 0.3
0.34
Shear Modulus, GPa 75
44
Tensile Strength: Ultimate (UTS), MPa 970 to 1800
460 to 550
Tensile Strength: Yield (Proof), MPa 660 to 1740
230 to 370

Thermal Properties

Latent Heat of Fusion, J/g 270
230
Melting Completion (Liquidus), °C 1480
1070
Melting Onset (Solidus), °C 1430
1020
Specific Heat Capacity, J/kg-K 450
400
Thermal Expansion, µm/m-K 12
17

Otherwise Unclassified Properties

Base Metal Price, % relative 32
30
Density, g/cm3 8.2
8.7
Embodied Carbon, kg CO2/kg material 4.9
2.8
Embodied Energy, MJ/kg 65
45
Embodied Water, L/kg 140
310

Common Calculations

Stiffness to Weight: Axial, points 13
7.5
Stiffness to Weight: Bending, points 23
19
Strength to Weight: Axial, points 33 to 61
15 to 17
Strength to Weight: Bending, points 26 to 40
15 to 17
Thermal Shock Resistance, points 29 to 54
16 to 19

Alloy Composition

Aluminum (Al), % 0.050 to 0.15
0.5 to 2.0
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
83.5 to 96.5
Iron (Fe), % 66.3 to 71.1
1.0 to 3.0
Lead (Pb), % 0
0 to 0.25
Manganese (Mn), % 0 to 0.1
0 to 0.5
Molybdenum (Mo), % 4.6 to 5.2
0
Nickel (Ni), % 17 to 19
1.0 to 3.5
Phosphorus (P), % 0 to 0.010
0
Silicon (Si), % 0 to 0.1
0.5 to 2.0
Sulfur (S), % 0 to 0.010
0
Titanium (Ti), % 0.3 to 0.5
0
Zinc (Zn), % 0
0.5 to 5.0
Zirconium (Zr), % 0 to 0.020
0
Residuals, % 0
0 to 0.3