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ASTM Grade LC9 Steel vs. C69700 Brass

ASTM grade LC9 steel belongs to the iron alloys classification, while C69700 brass belongs to the copper alloys. There are 24 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 ASTM grade LC9 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, % 22
25
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 73
41
Tensile Strength: Ultimate (UTS), MPa 660
470
Tensile Strength: Yield (Proof), MPa 590
230

Thermal Properties

Latent Heat of Fusion, J/g 260
240
Maximum Temperature: Mechanical, °C 430
160
Melting Completion (Liquidus), °C 1450
930
Melting Onset (Solidus), °C 1410
880
Specific Heat Capacity, J/kg-K 470
400
Thermal Expansion, µm/m-K 13
19

Otherwise Unclassified Properties

Base Metal Price, % relative 8.0
26
Density, g/cm3 7.9
8.3
Embodied Carbon, kg CO2/kg material 2.3
2.7
Embodied Energy, MJ/kg 31
44
Embodied Water, L/kg 65
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
99
Resilience: Unit (Modulus of Resilience), kJ/m3 920
250
Stiffness to Weight: Axial, points 13
7.3
Stiffness to Weight: Bending, points 24
19
Strength to Weight: Axial, points 23
16
Strength to Weight: Bending, points 21
16
Thermal Shock Resistance, points 20
16

Alloy Composition

Carbon (C), % 0 to 0.13
0
Chromium (Cr), % 0 to 0.5
0
Copper (Cu), % 0 to 0.3
75 to 80
Iron (Fe), % 87.4 to 91.5
0 to 0.2
Lead (Pb), % 0
0.5 to 1.5
Manganese (Mn), % 0 to 0.9
0 to 0.4
Molybdenum (Mo), % 0 to 0.2
0
Nickel (Ni), % 8.5 to 10
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 0.45
2.5 to 3.5
Sulfur (S), % 0 to 0.045
0
Vanadium (V), % 0 to 0.030
0
Zinc (Zn), % 0
13.9 to 22
Residuals, % 0
0 to 0.5