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ASTM A372 Grade K Steel vs. CC755S Brass

ASTM A372 grade K steel belongs to the iron alloys classification, while CC755S brass belongs to the copper 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 ASTM A372 grade K steel and the bottom bar is CC755S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230
110
Elastic (Young's, Tensile) Modulus, GPa 190
100
Elongation at Break, % 23
9.5
Poisson's Ratio 0.29
0.31
Shear Modulus, GPa 73
40
Tensile Strength: Ultimate (UTS), MPa 780
390
Tensile Strength: Yield (Proof), MPa 620
250

Thermal Properties

Latent Heat of Fusion, J/g 250
170
Maximum Temperature: Mechanical, °C 440
120
Melting Completion (Liquidus), °C 1460
820
Melting Onset (Solidus), °C 1420
780
Specific Heat Capacity, J/kg-K 470
390
Thermal Conductivity, W/m-K 48
120
Thermal Expansion, µm/m-K 13
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.8
27
Electrical Conductivity: Equal Weight (Specific), % IACS 8.9
30

Otherwise Unclassified Properties

Base Metal Price, % relative 4.4
23
Density, g/cm3 7.9
8.1
Embodied Carbon, kg CO2/kg material 1.8
2.7
Embodied Energy, MJ/kg 24
46
Embodied Water, L/kg 57
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 160
33
Resilience: Unit (Modulus of Resilience), kJ/m3 1010
290
Stiffness to Weight: Axial, points 13
7.1
Stiffness to Weight: Bending, points 24
19
Strength to Weight: Axial, points 27
14
Strength to Weight: Bending, points 24
15
Thermal Diffusivity, mm2/s 13
38
Thermal Shock Resistance, points 23
13

Alloy Composition

Aluminum (Al), % 0
0.4 to 0.7
Carbon (C), % 0 to 0.18
0
Chromium (Cr), % 1.0 to 1.8
0
Copper (Cu), % 0
59.5 to 61
Iron (Fe), % 93.4 to 96.6
0.050 to 0.2
Lead (Pb), % 0
1.2 to 1.7
Manganese (Mn), % 0.1 to 0.4
0 to 0.050
Molybdenum (Mo), % 0.2 to 0.6
0
Nickel (Ni), % 2.0 to 3.3
0 to 0.2
Phosphorus (P), % 0 to 0.015
0
Silicon (Si), % 0.15 to 0.35
0 to 0.050
Sulfur (S), % 0 to 0.010
0
Tin (Sn), % 0
0 to 0.3
Zinc (Zn), % 0
35.8 to 38.9