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C69700 Brass vs. ASTM Grade LC3 Steel

C69700 brass belongs to the copper alloys classification, while ASTM grade LC3 steel belongs to the iron alloys. There are 26 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is C69700 brass and the bottom bar is ASTM grade LC3 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 25
27
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 41
73
Tensile Strength: Ultimate (UTS), MPa 470
570
Tensile Strength: Yield (Proof), MPa 230
310

Thermal Properties

Latent Heat of Fusion, J/g 240
250
Maximum Temperature: Mechanical, °C 160
410
Melting Completion (Liquidus), °C 930
1460
Melting Onset (Solidus), °C 880
1420
Specific Heat Capacity, J/kg-K 400
470
Thermal Conductivity, W/m-K 43
52
Thermal Expansion, µm/m-K 19
13

Otherwise Unclassified Properties

Base Metal Price, % relative 26
4.0
Density, g/cm3 8.3
7.9
Embodied Carbon, kg CO2/kg material 2.7
1.7
Embodied Energy, MJ/kg 44
23
Embodied Water, L/kg 310
52

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 99
130
Resilience: Unit (Modulus of Resilience), kJ/m3 250
260
Stiffness to Weight: Axial, points 7.3
13
Stiffness to Weight: Bending, points 19
24
Strength to Weight: Axial, points 16
20
Strength to Weight: Bending, points 16
19
Thermal Diffusivity, mm2/s 13
14
Thermal Shock Resistance, points 16
17

Alloy Composition

Carbon (C), % 0
0 to 0.15
Copper (Cu), % 75 to 80
0
Iron (Fe), % 0 to 0.2
94.4 to 96.5
Lead (Pb), % 0.5 to 1.5
0
Manganese (Mn), % 0 to 0.4
0.5 to 0.8
Nickel (Ni), % 0
3.0 to 4.0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 2.5 to 3.5
0 to 0.6
Sulfur (S), % 0
0 to 0.045
Zinc (Zn), % 13.9 to 22
0
Residuals, % 0 to 0.5
0