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C68400 Brass vs. AISI 302 Stainless Steel

C68400 brass belongs to the copper alloys classification, while AISI 302 stainless steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is C68400 brass and the bottom bar is AISI 302 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
170 to 440
Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 18
4.5 to 46
Poisson's Ratio 0.31
0.28
Shear Modulus, GPa 41
77
Shear Strength, MPa 330
400 to 830
Tensile Strength: Ultimate (UTS), MPa 540
580 to 1430
Tensile Strength: Yield (Proof), MPa 310
230 to 1100

Thermal Properties

Latent Heat of Fusion, J/g 210
280
Maximum Temperature: Mechanical, °C 130
710
Melting Completion (Liquidus), °C 840
1420
Melting Onset (Solidus), °C 820
1400
Specific Heat Capacity, J/kg-K 400
480
Thermal Conductivity, W/m-K 66
16
Thermal Expansion, µm/m-K 20
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 87
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 99
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 23
15
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 2.7
3.0
Embodied Energy, MJ/kg 47
42
Embodied Water, L/kg 320
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 81
59 to 260
Resilience: Unit (Modulus of Resilience), kJ/m3 460
140 to 3070
Stiffness to Weight: Axial, points 7.5
14
Stiffness to Weight: Bending, points 20
25
Strength to Weight: Axial, points 19
21 to 51
Strength to Weight: Bending, points 19
20 to 36
Thermal Diffusivity, mm2/s 21
4.4
Thermal Shock Resistance, points 18
12 to 31

Alloy Composition

Aluminum (Al), % 0 to 0.5
0
Boron (B), % 0.0010 to 0.030
0
Carbon (C), % 0
0 to 0.15
Chromium (Cr), % 0
17 to 19
Copper (Cu), % 59 to 64
0
Iron (Fe), % 0 to 1.0
67.9 to 75
Lead (Pb), % 0 to 0.090
0
Manganese (Mn), % 0.2 to 1.5
0 to 2.0
Nickel (Ni), % 0 to 0.5
8.0 to 10
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0.030 to 0.3
0 to 0.045
Silicon (Si), % 1.5 to 2.5
0 to 0.75
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 0 to 0.5
0
Zinc (Zn), % 28.6 to 39.3
0
Residuals, % 0 to 0.5
0