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AISI 302B Stainless Steel vs. C68700 Brass

AISI 302B stainless steel belongs to the iron alloys classification, while C68700 brass belongs to the copper alloys. There are 26 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is AISI 302B stainless steel and the bottom bar is C68700 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 76
41
Tensile Strength: Ultimate (UTS), MPa 580
390
Tensile Strength: Yield (Proof), MPa 230
140

Thermal Properties

Latent Heat of Fusion, J/g 320
190
Maximum Temperature: Mechanical, °C 930
160
Melting Completion (Liquidus), °C 1400
970
Melting Onset (Solidus), °C 1360
930
Specific Heat Capacity, J/kg-K 490
400
Thermal Conductivity, W/m-K 17
100
Thermal Expansion, µm/m-K 16
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
23
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
25

Otherwise Unclassified Properties

Base Metal Price, % relative 15
26
Density, g/cm3 7.7
8.3
Embodied Carbon, kg CO2/kg material 3.0
2.8
Embodied Energy, MJ/kg 43
46
Embodied Water, L/kg 140
340

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 140
90
Stiffness to Weight: Axial, points 14
7.3
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 21
13
Strength to Weight: Bending, points 20
14
Thermal Diffusivity, mm2/s 4.4
30
Thermal Shock Resistance, points 13
13

Alloy Composition

Aluminum (Al), % 0
1.8 to 2.5
Arsenic (As), % 0
0.020 to 0.1
Carbon (C), % 0 to 0.15
0
Chromium (Cr), % 17 to 19
0
Copper (Cu), % 0
76 to 79
Iron (Fe), % 65.7 to 73
0 to 0.060
Lead (Pb), % 0
0 to 0.070
Manganese (Mn), % 0 to 2.0
0
Nickel (Ni), % 8.0 to 10
0
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 2.0 to 3.0
0
Sulfur (S), % 0 to 0.030
0
Zinc (Zn), % 0
17.8 to 22.2
Residuals, % 0
0 to 0.5