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ASTM A369 Grade FP12 vs. C99700 Brass

ASTM A369 grade FP12 belongs to the iron alloys classification, while C99700 brass belongs to the copper 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 ASTM A369 grade FP12 and the bottom bar is C99700 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
120
Elongation at Break, % 20
25
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 73
46
Tensile Strength: Ultimate (UTS), MPa 470
380
Tensile Strength: Yield (Proof), MPa 250
170

Thermal Properties

Latent Heat of Fusion, J/g 250
200
Maximum Temperature: Mechanical, °C 430
160
Melting Completion (Liquidus), °C 1470
900
Melting Onset (Solidus), °C 1430
880
Specific Heat Capacity, J/kg-K 470
410
Thermal Expansion, µm/m-K 13
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
3.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 2.8
25
Density, g/cm3 7.9
8.1
Embodied Carbon, kg CO2/kg material 1.6
3.3
Embodied Energy, MJ/kg 21
53
Embodied Water, L/kg 52
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 81
78
Resilience: Unit (Modulus of Resilience), kJ/m3 160
120
Stiffness to Weight: Axial, points 13
8.3
Stiffness to Weight: Bending, points 24
20
Strength to Weight: Axial, points 17
13
Strength to Weight: Bending, points 17
14
Thermal Shock Resistance, points 14
11

Alloy Composition

Aluminum (Al), % 0
0.5 to 3.0
Carbon (C), % 0.050 to 0.15
0
Chromium (Cr), % 0.8 to 1.3
0
Copper (Cu), % 0
54 to 65.5
Iron (Fe), % 96.8 to 98.4
0 to 1.0
Lead (Pb), % 0
0 to 2.0
Manganese (Mn), % 0.3 to 0.61
11 to 15
Molybdenum (Mo), % 0.44 to 0.65
0
Nickel (Ni), % 0
4.0 to 6.0
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0 to 0.5
0
Sulfur (S), % 0 to 0.025
0
Tin (Sn), % 0
0 to 1.0
Zinc (Zn), % 0
19 to 25
Residuals, % 0
0 to 0.3