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C37100 Brass vs. ASTM Grade HK Steel

C37100 brass belongs to the copper alloys classification, while ASTM grade HK steel belongs to the iron 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 C37100 brass and the bottom bar is ASTM grade HK steel.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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