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C69700 Brass vs. ASTM A387 Grade 22 Steel

C69700 brass belongs to the copper alloys classification, while ASTM A387 grade 22 steel belongs to the iron alloys. There are 27 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 C69700 brass and the bottom bar is ASTM A387 grade 22 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 25
21
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 41
74
Shear Strength, MPa 300
300 to 380
Tensile Strength: Ultimate (UTS), MPa 470
480 to 600
Tensile Strength: Yield (Proof), MPa 230
230 to 350

Thermal Properties

Latent Heat of Fusion, J/g 240
260
Maximum Temperature: Mechanical, °C 160
460
Melting Completion (Liquidus), °C 930
1470
Melting Onset (Solidus), °C 880
1430
Specific Heat Capacity, J/kg-K 400
470
Thermal Conductivity, W/m-K 43
40
Thermal Expansion, µm/m-K 19
13

Otherwise Unclassified Properties

Base Metal Price, % relative 26
3.8
Density, g/cm3 8.3
7.9
Embodied Carbon, kg CO2/kg material 2.7
1.7
Embodied Energy, MJ/kg 44
23
Embodied Water, L/kg 310
58

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 99
85 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 250
140 to 320
Stiffness to Weight: Axial, points 7.3
13
Stiffness to Weight: Bending, points 19
24
Strength to Weight: Axial, points 16
17 to 21
Strength to Weight: Bending, points 16
17 to 20
Thermal Diffusivity, mm2/s 13
11
Thermal Shock Resistance, points 16
14 to 17

Alloy Composition

Carbon (C), % 0
0.050 to 0.15
Chromium (Cr), % 0
2.0 to 2.5
Copper (Cu), % 75 to 80
0
Iron (Fe), % 0 to 0.2
95.1 to 96.8
Lead (Pb), % 0.5 to 1.5
0
Manganese (Mn), % 0 to 0.4
0.3 to 0.6
Molybdenum (Mo), % 0
0.9 to 1.1
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 2.5 to 3.5
0 to 0.5
Sulfur (S), % 0
0 to 0.025
Zinc (Zn), % 13.9 to 22
0
Residuals, % 0 to 0.5
0