MakeItFrom.com
Menu (ESC)

C69400 Brass vs. ACI-ASTM CN7MS Steel

C69400 brass belongs to the copper alloys classification, while ACI-ASTM CN7MS steel belongs to the iron alloys. There are 26 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is C69400 brass and the bottom bar is ACI-ASTM CN7MS steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 17
39
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 42
77
Tensile Strength: Ultimate (UTS), MPa 570
540
Tensile Strength: Yield (Proof), MPa 270
230

Thermal Properties

Latent Heat of Fusion, J/g 260
340
Maximum Temperature: Mechanical, °C 170
1040
Melting Completion (Liquidus), °C 920
1400
Melting Onset (Solidus), °C 820
1350
Specific Heat Capacity, J/kg-K 410
480
Thermal Conductivity, W/m-K 26
12
Thermal Expansion, µm/m-K 18
16

Otherwise Unclassified Properties

Base Metal Price, % relative 27
28
Density, g/cm3 8.3
7.9
Embodied Carbon, kg CO2/kg material 2.7
5.1
Embodied Energy, MJ/kg 44
71
Embodied Water, L/kg 300
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 80
170
Resilience: Unit (Modulus of Resilience), kJ/m3 340
140
Stiffness to Weight: Axial, points 7.4
14
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 19
19
Strength to Weight: Bending, points 18
19
Thermal Diffusivity, mm2/s 7.7
3.2
Thermal Shock Resistance, points 20
13

Alloy Composition

Carbon (C), % 0
0 to 0.070
Chromium (Cr), % 0
18 to 20
Copper (Cu), % 80 to 83
1.5 to 2.0
Iron (Fe), % 0 to 0.2
45.4 to 53.5
Lead (Pb), % 0 to 0.3
0
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0
2.5 to 3.0
Nickel (Ni), % 0
22 to 25
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 3.5 to 4.5
2.5 to 3.5
Sulfur (S), % 0
0 to 0.030
Zinc (Zn), % 11.5 to 16.5
0
Residuals, % 0 to 0.5
0