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C37100 Brass vs. ASTM Grade HD Steel

C37100 brass belongs to the copper alloys classification, while ASTM grade HD steel belongs to the iron alloys. There are 28 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

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

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
200
Elongation at Break, % 8.0 to 40
9.1
Poisson's Ratio 0.31
0.27
Shear Modulus, GPa 40
80
Tensile Strength: Ultimate (UTS), MPa 370 to 520
590
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
1410
Melting Onset (Solidus), °C 890
1370
Specific Heat Capacity, J/kg-K 380
490
Thermal Conductivity, W/m-K 120
16
Thermal Expansion, µm/m-K 21
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 30
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 23
17
Density, g/cm3 8.0
7.7
Embodied Carbon, kg CO2/kg material 2.7
3.1
Embodied Energy, MJ/kg 45
45
Embodied Water, L/kg 320
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 38 to 120
44
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 750
180
Stiffness to Weight: Axial, points 7.2
15
Stiffness to Weight: Bending, points 20
26
Strength to Weight: Axial, points 13 to 18
21
Strength to Weight: Bending, points 14 to 18
20
Thermal Diffusivity, mm2/s 39
4.3
Thermal Shock Resistance, points 12 to 17
19

Alloy Composition

Carbon (C), % 0
0 to 0.5
Chromium (Cr), % 0
26 to 30
Copper (Cu), % 58 to 62
0
Iron (Fe), % 0 to 0.15
58.4 to 70
Lead (Pb), % 0.6 to 1.2
0
Manganese (Mn), % 0
0 to 1.5
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0
4.0 to 7.0
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