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C27000 Brass vs. SAE-AISI H21 Steel

C27000 brass belongs to the copper alloys classification, while SAE-AISI H21 steel belongs to the iron alloys. There are 21 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 C27000 brass and the bottom bar is SAE-AISI H21 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Poisson's Ratio 0.31
0.29
Shear Modulus, GPa 40
76
Tensile Strength: Ultimate (UTS), MPa 370 to 650
720 to 1790

Thermal Properties

Latent Heat of Fusion, J/g 180
250
Melting Completion (Liquidus), °C 930
1630
Melting Onset (Solidus), °C 900
1580
Specific Heat Capacity, J/kg-K 390
440
Thermal Conductivity, W/m-K 120
27
Thermal Expansion, µm/m-K 20
11

Otherwise Unclassified Properties

Base Metal Price, % relative 24
23
Density, g/cm3 8.1
8.5
Embodied Carbon, kg CO2/kg material 2.7
4.5
Embodied Energy, MJ/kg 45
68
Embodied Water, L/kg 320
72

Common Calculations

Stiffness to Weight: Axial, points 7.2
13
Stiffness to Weight: Bending, points 19
23
Strength to Weight: Axial, points 13 to 22
23 to 58
Strength to Weight: Bending, points 14 to 21
21 to 38
Thermal Diffusivity, mm2/s 37
7.1
Thermal Shock Resistance, points 12 to 22
24 to 59

Alloy Composition

Carbon (C), % 0
0.28 to 0.36
Chromium (Cr), % 0
3.0 to 3.8
Copper (Cu), % 63 to 68.5
0 to 0.25
Iron (Fe), % 0 to 0.1
87.6 to 93.8
Lead (Pb), % 0 to 0.070
0
Manganese (Mn), % 0
0.15 to 0.4
Nickel (Ni), % 0
0 to 0.3
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0.15 to 0.5
Sulfur (S), % 0
0 to 0.030
Tungsten (W), % 0
8.5 to 10
Vanadium (V), % 0
0.3 to 0.6
Zinc (Zn), % 31 to 37
0
Residuals, % 0 to 0.3
0