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AISI 441 Stainless Steel vs. C68700 Brass

AISI 441 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 (8, in this case) are not shown.

For each property being compared, the top bar is AISI 441 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 77
41
Tensile Strength: Ultimate (UTS), MPa 470
390
Tensile Strength: Yield (Proof), MPa 270
140

Thermal Properties

Latent Heat of Fusion, J/g 280
190
Maximum Temperature: Mechanical, °C 910
160
Melting Completion (Liquidus), °C 1440
970
Melting Onset (Solidus), °C 1400
930
Specific Heat Capacity, J/kg-K 480
400
Thermal Conductivity, W/m-K 23
100
Thermal Expansion, µm/m-K 10
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.7
23
Electrical Conductivity: Equal Weight (Specific), % IACS 3.1
25

Otherwise Unclassified Properties

Base Metal Price, % relative 13
26
Density, g/cm3 7.7
8.3
Embodied Carbon, kg CO2/kg material 2.8
2.8
Embodied Energy, MJ/kg 41
46
Embodied Water, L/kg 130
340

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 190
90
Stiffness to Weight: Axial, points 14
7.3
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 17
13
Strength to Weight: Bending, points 17
14
Thermal Diffusivity, mm2/s 6.1
30
Thermal Shock Resistance, points 16
13

Alloy Composition

Aluminum (Al), % 0
1.8 to 2.5
Arsenic (As), % 0
0.020 to 0.1
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 17.5 to 19.5
0
Copper (Cu), % 0
76 to 79
Iron (Fe), % 76 to 82.2
0 to 0.060
Lead (Pb), % 0
0 to 0.070
Manganese (Mn), % 0 to 1.0
0
Nickel (Ni), % 0 to 1.0
0
Niobium (Nb), % 0.3 to 0.9
0
Nitrogen (N), % 0 to 0.030
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0.1 to 0.5
0
Zinc (Zn), % 0
17.8 to 22.2
Residuals, % 0
0 to 0.5