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CC762S Brass vs. ASTM A387 Grade 21L Class 1

CC762S brass belongs to the copper alloys classification, while ASTM A387 grade 21L class 1 belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is CC762S brass and the bottom bar is ASTM A387 grade 21L class 1.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
150
Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 7.3
21
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 43
74
Tensile Strength: Ultimate (UTS), MPa 840
500
Tensile Strength: Yield (Proof), MPa 540
230

Thermal Properties

Latent Heat of Fusion, J/g 200
260
Maximum Temperature: Mechanical, °C 160
480
Melting Completion (Liquidus), °C 920
1470
Melting Onset (Solidus), °C 870
1430
Specific Heat Capacity, J/kg-K 420
470
Thermal Conductivity, W/m-K 51
41
Thermal Expansion, µm/m-K 20
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 28
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 32
8.8

Otherwise Unclassified Properties

Base Metal Price, % relative 24
4.1
Density, g/cm3 8.0
7.9
Embodied Carbon, kg CO2/kg material 3.1
1.8
Embodied Energy, MJ/kg 51
23
Embodied Water, L/kg 350
62

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 54
84
Resilience: Unit (Modulus of Resilience), kJ/m3 1290
140
Stiffness to Weight: Axial, points 7.8
13
Stiffness to Weight: Bending, points 20
24
Strength to Weight: Axial, points 29
18
Strength to Weight: Bending, points 25
18
Thermal Diffusivity, mm2/s 15
11
Thermal Shock Resistance, points 27
14

Alloy Composition

Aluminum (Al), % 3.0 to 7.0
0
Antimony (Sb), % 0 to 0.030
0
Carbon (C), % 0
0 to 0.1
Chromium (Cr), % 0
2.8 to 3.3
Copper (Cu), % 57 to 67
0
Iron (Fe), % 1.5 to 4.0
94.4 to 96.1
Lead (Pb), % 0 to 0.2
0
Manganese (Mn), % 2.5 to 5.0
0.3 to 0.6
Molybdenum (Mo), % 0
0.9 to 1.1
Nickel (Ni), % 0 to 3.0
0
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 0 to 0.1
0 to 0.5
Sulfur (S), % 0
0 to 0.025
Tin (Sn), % 0 to 0.2
0
Zinc (Zn), % 13.4 to 36
0