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C66700 Brass vs. EN 1.4021 Stainless Steel

C66700 brass belongs to the copper alloys classification, while EN 1.4021 stainless steel belongs to the iron alloys. There are 29 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 C66700 brass and the bottom bar is EN 1.4021 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 2.0 to 58
11 to 17
Poisson's Ratio 0.31
0.28
Shear Modulus, GPa 41
76
Shear Strength, MPa 250 to 530
390 to 530
Tensile Strength: Ultimate (UTS), MPa 340 to 690
630 to 880
Tensile Strength: Yield (Proof), MPa 100 to 640
390 to 670

Thermal Properties

Latent Heat of Fusion, J/g 180
270
Maximum Temperature: Mechanical, °C 140
760
Melting Completion (Liquidus), °C 1090
1440
Melting Onset (Solidus), °C 1050
1400
Specific Heat Capacity, J/kg-K 390
480
Thermal Conductivity, W/m-K 97
30
Thermal Expansion, µm/m-K 20
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 17
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 19
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 25
7.0
Density, g/cm3 8.2
7.7
Embodied Carbon, kg CO2/kg material 2.7
1.9
Embodied Energy, MJ/kg 45
27
Embodied Water, L/kg 320
100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 13 to 150
88 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 49 to 1900
400 to 1160
Stiffness to Weight: Axial, points 7.3
14
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 11 to 23
23 to 31
Strength to Weight: Bending, points 13 to 21
21 to 26
Thermal Diffusivity, mm2/s 30
8.1
Thermal Shock Resistance, points 11 to 23
22 to 31

Alloy Composition

Carbon (C), % 0
0.16 to 0.25
Chromium (Cr), % 0
12 to 14
Copper (Cu), % 68.5 to 71.5
0
Iron (Fe), % 0 to 0.1
83.2 to 87.8
Lead (Pb), % 0 to 0.070
0
Manganese (Mn), % 0.8 to 1.5
0 to 1.5
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.015
Zinc (Zn), % 26.3 to 30.7
0
Residuals, % 0 to 0.5
0