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Grade 250 Maraging Steel vs. C69700 Brass

Grade 250 maraging steel belongs to the iron alloys classification, while C69700 brass belongs to the copper alloys. There are 23 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is grade 250 maraging steel and the bottom bar is C69700 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 7.3 to 17
25
Poisson's Ratio 0.3
0.32
Shear Modulus, GPa 75
41
Shear Strength, MPa 600 to 1060
300
Tensile Strength: Ultimate (UTS), MPa 970 to 1800
470
Tensile Strength: Yield (Proof), MPa 660 to 1740
230

Thermal Properties

Latent Heat of Fusion, J/g 270
240
Melting Completion (Liquidus), °C 1480
930
Melting Onset (Solidus), °C 1430
880
Specific Heat Capacity, J/kg-K 450
400
Thermal Expansion, µm/m-K 12
19

Otherwise Unclassified Properties

Base Metal Price, % relative 32
26
Density, g/cm3 8.2
8.3
Embodied Carbon, kg CO2/kg material 4.9
2.7
Embodied Energy, MJ/kg 65
44
Embodied Water, L/kg 140
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130 to 150
99
Stiffness to Weight: Axial, points 13
7.3
Stiffness to Weight: Bending, points 23
19
Strength to Weight: Axial, points 33 to 61
16
Strength to Weight: Bending, points 26 to 40
16
Thermal Shock Resistance, points 29 to 54
16

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
75 to 80
Iron (Fe), % 66.3 to 71.1
0 to 0.2
Lead (Pb), % 0
0.5 to 1.5
Manganese (Mn), % 0 to 0.1
0 to 0.4
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
2.5 to 3.5
Sulfur (S), % 0 to 0.010
0
Titanium (Ti), % 0.3 to 0.5
0
Zinc (Zn), % 0
13.9 to 22
Zirconium (Zr), % 0 to 0.020
0
Residuals, % 0
0 to 0.5