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ASTM Grade HK Steel vs. CC762S Brass

ASTM grade HK steel belongs to the iron alloys classification, while CC762S 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 grade HK steel and the bottom bar is CC762S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
210
Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 11
7.3
Poisson's Ratio 0.27
0.32
Shear Modulus, GPa 79
43
Tensile Strength: Ultimate (UTS), MPa 500
840
Tensile Strength: Yield (Proof), MPa 270
540

Thermal Properties

Latent Heat of Fusion, J/g 310
200
Maximum Temperature: Mechanical, °C 1100
160
Melting Completion (Liquidus), °C 1400
920
Melting Onset (Solidus), °C 1350
870
Specific Heat Capacity, J/kg-K 480
420
Thermal Conductivity, W/m-K 15
51
Thermal Expansion, µm/m-K 17
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
28
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
32

Otherwise Unclassified Properties

Base Metal Price, % relative 25
24
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 4.4
3.1
Embodied Energy, MJ/kg 63
51
Embodied Water, L/kg 200
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 48
54
Resilience: Unit (Modulus of Resilience), kJ/m3 190
1290
Stiffness to Weight: Axial, points 14
7.8
Stiffness to Weight: Bending, points 25
20
Strength to Weight: Axial, points 18
29
Strength to Weight: Bending, points 18
25
Thermal Diffusivity, mm2/s 3.9
15
Thermal Shock Resistance, points 11
27

Alloy Composition

Aluminum (Al), % 0
3.0 to 7.0
Antimony (Sb), % 0
0 to 0.030
Carbon (C), % 0.2 to 0.6
0
Chromium (Cr), % 24 to 28
0
Copper (Cu), % 0
57 to 67
Iron (Fe), % 44.8 to 57.8
1.5 to 4.0
Lead (Pb), % 0
0 to 0.2
Manganese (Mn), % 0 to 2.0
2.5 to 5.0
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 18 to 22
0 to 3.0
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 2.0
0 to 0.1
Sulfur (S), % 0 to 0.040
0
Tin (Sn), % 0
0 to 0.2
Zinc (Zn), % 0
13.4 to 36