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C68300 Brass vs. Grade 250 Maraging Steel

C68300 brass belongs to the copper alloys classification, while grade 250 maraging steel belongs to the iron alloys. There are 23 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is C68300 brass and the bottom bar is grade 250 maraging steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
190
Elongation at Break, % 15
7.3 to 17
Poisson's Ratio 0.31
0.3
Shear Modulus, GPa 40
75
Shear Strength, MPa 260
600 to 1060
Tensile Strength: Ultimate (UTS), MPa 430
970 to 1800
Tensile Strength: Yield (Proof), MPa 260
660 to 1740

Thermal Properties

Latent Heat of Fusion, J/g 180
270
Melting Completion (Liquidus), °C 900
1480
Melting Onset (Solidus), °C 890
1430
Specific Heat Capacity, J/kg-K 390
450
Thermal Expansion, µm/m-K 20
12

Otherwise Unclassified Properties

Base Metal Price, % relative 23
32
Density, g/cm3 8.0
8.2
Embodied Carbon, kg CO2/kg material 2.8
4.9
Embodied Energy, MJ/kg 46
65
Embodied Water, L/kg 340
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 56
130 to 150
Stiffness to Weight: Axial, points 7.3
13
Stiffness to Weight: Bending, points 20
23
Strength to Weight: Axial, points 15
33 to 61
Strength to Weight: Bending, points 16
26 to 40
Thermal Shock Resistance, points 14
29 to 54

Alloy Composition

Aluminum (Al), % 0
0.050 to 0.15
Antimony (Sb), % 0.3 to 1.0
0
Boron (B), % 0
0 to 0.0030
Cadmium (Cd), % 0 to 0.010
0
Calcium (Ca), % 0
0 to 0.050
Carbon (C), % 0
0 to 0.030
Cobalt (Co), % 0
7.0 to 8.5
Copper (Cu), % 59 to 63
0
Iron (Fe), % 0
66.3 to 71.1
Lead (Pb), % 0 to 0.090
0
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), % 0.3 to 1.0
0 to 0.1
Sulfur (S), % 0
0 to 0.010
Tin (Sn), % 0.050 to 0.2
0
Titanium (Ti), % 0
0.3 to 0.5
Zinc (Zn), % 34.2 to 40.4
0
Zirconium (Zr), % 0
0 to 0.020
Residuals, % 0 to 0.5
0