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ASTM Grade HK Steel vs. C37100 Brass

ASTM grade HK steel belongs to the iron alloys classification, while C37100 brass belongs to the copper alloys. There are 28 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is ASTM grade HK steel and the bottom bar is C37100 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
100
Elongation at Break, % 11
8.0 to 40
Poisson's Ratio 0.27
0.31
Shear Modulus, GPa 79
40
Tensile Strength: Ultimate (UTS), MPa 500
370 to 520
Tensile Strength: Yield (Proof), MPa 270
150 to 390

Thermal Properties

Latent Heat of Fusion, J/g 310
170
Maximum Temperature: Mechanical, °C 1100
120
Melting Completion (Liquidus), °C 1400
900
Melting Onset (Solidus), °C 1350
890
Specific Heat Capacity, J/kg-K 480
380
Thermal Conductivity, W/m-K 15
120
Thermal Expansion, µm/m-K 17
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
27
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
30

Otherwise Unclassified Properties

Base Metal Price, % relative 25
23
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 4.4
2.7
Embodied Energy, MJ/kg 63
45
Embodied Water, L/kg 200
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 48
38 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 190
110 to 750
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 25
20
Strength to Weight: Axial, points 18
13 to 18
Strength to Weight: Bending, points 18
14 to 18
Thermal Diffusivity, mm2/s 3.9
39
Thermal Shock Resistance, points 11
12 to 17

Alloy Composition

Carbon (C), % 0.2 to 0.6
0
Chromium (Cr), % 24 to 28
0
Copper (Cu), % 0
58 to 62
Iron (Fe), % 44.8 to 57.8
0 to 0.15
Lead (Pb), % 0
0.6 to 1.2
Manganese (Mn), % 0 to 2.0
0
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 18 to 22
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 2.0
0
Sulfur (S), % 0 to 0.040
0
Zinc (Zn), % 0
36.3 to 41.4
Residuals, % 0
0 to 0.4