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CC751S Brass vs. SAE-AISI 9255 Steel

CC751S brass belongs to the copper alloys classification, while SAE-AISI 9255 steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is CC751S brass and the bottom bar is SAE-AISI 9255 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 130
200
Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 5.6
21
Poisson's Ratio 0.31
0.29
Shear Modulus, GPa 40
72
Tensile Strength: Ultimate (UTS), MPa 450
680
Tensile Strength: Yield (Proof), MPa 320
390

Thermal Properties

Latent Heat of Fusion, J/g 190
280
Maximum Temperature: Mechanical, °C 130
400
Melting Completion (Liquidus), °C 850
1430
Melting Onset (Solidus), °C 810
1390
Specific Heat Capacity, J/kg-K 390
480
Thermal Conductivity, W/m-K 110
46
Thermal Expansion, µm/m-K 20
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 28
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 24
2.0
Density, g/cm3 8.1
7.7
Embodied Carbon, kg CO2/kg material 2.8
1.5
Embodied Energy, MJ/kg 46
20
Embodied Water, L/kg 330
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 23
120
Resilience: Unit (Modulus of Resilience), kJ/m3 480
400
Stiffness to Weight: Axial, points 7.2
13
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 15
24
Strength to Weight: Bending, points 16
22
Thermal Diffusivity, mm2/s 35
13
Thermal Shock Resistance, points 15
21

Alloy Composition

Aluminum (Al), % 0 to 0.1
0
Antimony (Sb), % 0 to 0.5
0
Carbon (C), % 0
0.51 to 0.59
Copper (Cu), % 62.7 to 66
0
Iron (Fe), % 0.25 to 0.5
96.2 to 97
Lead (Pb), % 0.8 to 2.2
0
Manganese (Mn), % 0 to 0.15
0.7 to 1.0
Nickel (Ni), % 0 to 0.8
0
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 0.65 to 1.1
1.8 to 2.2
Sulfur (S), % 0
0 to 0.040
Tin (Sn), % 0 to 0.8
0
Zinc (Zn), % 27.9 to 35.6
0