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CC755S Brass vs. ASTM Grade HT Steel

CC755S brass belongs to the copper alloys classification, while ASTM grade HT steel 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 CC755S brass and the bottom bar is ASTM grade HT steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 110
150
Elastic (Young's, Tensile) Modulus, GPa 100
190
Elongation at Break, % 9.5
4.6
Poisson's Ratio 0.31
0.28
Shear Modulus, GPa 40
76
Tensile Strength: Ultimate (UTS), MPa 390
500
Tensile Strength: Yield (Proof), MPa 250
270

Thermal Properties

Latent Heat of Fusion, J/g 170
310
Maximum Temperature: Mechanical, °C 120
1010
Melting Completion (Liquidus), °C 820
1390
Melting Onset (Solidus), °C 780
1340
Specific Heat Capacity, J/kg-K 390
480
Thermal Conductivity, W/m-K 120
12
Thermal Expansion, µm/m-K 21
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 30
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 23
31
Density, g/cm3 8.1
8.0
Embodied Carbon, kg CO2/kg material 2.7
5.4
Embodied Energy, MJ/kg 46
76
Embodied Water, L/kg 330
190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 33
19
Resilience: Unit (Modulus of Resilience), kJ/m3 290
180
Stiffness to Weight: Axial, points 7.1
13
Stiffness to Weight: Bending, points 19
24
Strength to Weight: Axial, points 14
18
Strength to Weight: Bending, points 15
18
Thermal Diffusivity, mm2/s 38
3.2
Thermal Shock Resistance, points 13
12

Alloy Composition

Aluminum (Al), % 0.4 to 0.7
0
Carbon (C), % 0
0.35 to 0.75
Chromium (Cr), % 0
15 to 19
Copper (Cu), % 59.5 to 61
0
Iron (Fe), % 0.050 to 0.2
38.2 to 51.7
Lead (Pb), % 1.2 to 1.7
0
Manganese (Mn), % 0 to 0.050
0 to 2.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0 to 0.2
33 to 37
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.050
0 to 2.5
Sulfur (S), % 0
0 to 0.040
Tin (Sn), % 0 to 0.3
0
Zinc (Zn), % 35.8 to 38.9
0