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C85700 Brass vs. AISI 302B Stainless Steel

C85700 brass belongs to the copper alloys classification, while AISI 302B stainless steel belongs to the iron alloys. There are 28 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 C85700 brass and the bottom bar is AISI 302B stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
200
Elongation at Break, % 17
45
Poisson's Ratio 0.31
0.28
Shear Modulus, GPa 40
76
Tensile Strength: Ultimate (UTS), MPa 310
580
Tensile Strength: Yield (Proof), MPa 110
230

Thermal Properties

Latent Heat of Fusion, J/g 170
320
Maximum Temperature: Mechanical, °C 120
930
Melting Completion (Liquidus), °C 940
1400
Melting Onset (Solidus), °C 910
1360
Specific Heat Capacity, J/kg-K 380
490
Thermal Conductivity, W/m-K 84
17
Thermal Expansion, µm/m-K 21
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 22
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 25
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 24
15
Density, g/cm3 8.0
7.7
Embodied Carbon, kg CO2/kg material 2.8
3.0
Embodied Energy, MJ/kg 47
43
Embodied Water, L/kg 330
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 41
210
Resilience: Unit (Modulus of Resilience), kJ/m3 59
140
Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 20
25
Strength to Weight: Axial, points 11
21
Strength to Weight: Bending, points 13
20
Thermal Diffusivity, mm2/s 27
4.4
Thermal Shock Resistance, points 10
13

Alloy Composition

Aluminum (Al), % 0 to 0.8
0
Carbon (C), % 0
0 to 0.15
Chromium (Cr), % 0
17 to 19
Copper (Cu), % 58 to 64
0
Iron (Fe), % 0 to 0.7
65.7 to 73
Lead (Pb), % 0.8 to 1.5
0
Manganese (Mn), % 0
0 to 2.0
Nickel (Ni), % 0 to 1.0
8.0 to 10
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0 to 0.050
2.0 to 3.0
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 0.5 to 1.5
0
Zinc (Zn), % 32 to 40
0
Residuals, % 0 to 1.3
0