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ASTM Grade HK Steel vs. CC490K Brass

ASTM grade HK steel belongs to the iron alloys classification, while CC490K 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 CC490K brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
76
Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 11
15
Poisson's Ratio 0.27
0.34
Shear Modulus, GPa 79
40
Tensile Strength: Ultimate (UTS), MPa 500
230
Tensile Strength: Yield (Proof), MPa 270
110

Thermal Properties

Latent Heat of Fusion, J/g 310
190
Maximum Temperature: Mechanical, °C 1100
160
Melting Completion (Liquidus), °C 1400
980
Melting Onset (Solidus), °C 1350
910
Specific Heat Capacity, J/kg-K 480
370
Thermal Conductivity, W/m-K 15
72
Thermal Expansion, µm/m-K 17
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
16
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
16

Otherwise Unclassified Properties

Base Metal Price, % relative 25
30
Density, g/cm3 7.8
8.8
Embodied Carbon, kg CO2/kg material 4.4
2.9
Embodied Energy, MJ/kg 63
47
Embodied Water, L/kg 200
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 48
28
Resilience: Unit (Modulus of Resilience), kJ/m3 190
54
Stiffness to Weight: Axial, points 14
6.8
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 18
7.3
Strength to Weight: Bending, points 18
9.5
Thermal Diffusivity, mm2/s 3.9
22
Thermal Shock Resistance, points 11
8.2

Alloy Composition

Aluminum (Al), % 0
0 to 0.010
Antimony (Sb), % 0
0 to 0.3
Carbon (C), % 0.2 to 0.6
0
Chromium (Cr), % 24 to 28
0
Copper (Cu), % 0
81 to 86
Iron (Fe), % 44.8 to 57.8
0 to 0.5
Lead (Pb), % 0
3.0 to 6.0
Manganese (Mn), % 0 to 2.0
0
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 18 to 22
0 to 2.0
Phosphorus (P), % 0 to 0.040
0 to 0.050
Silicon (Si), % 0 to 2.0
0 to 0.010
Sulfur (S), % 0 to 0.040
0 to 0.1
Tin (Sn), % 0
2.0 to 3.5
Zinc (Zn), % 0
7.0 to 9.5