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AISI 439 Stainless Steel vs. CC752S Brass

AISI 439 stainless steel belongs to the iron alloys classification, while CC752S brass belongs to the copper alloys. There are 29 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 AISI 439 stainless steel and the bottom bar is CC752S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
100
Elastic (Young's, Tensile) Modulus, GPa 200
100
Elongation at Break, % 23
8.4
Poisson's Ratio 0.28
0.31
Shear Modulus, GPa 77
40
Tensile Strength: Ultimate (UTS), MPa 490
350
Tensile Strength: Yield (Proof), MPa 250
190

Thermal Properties

Latent Heat of Fusion, J/g 280
170
Maximum Temperature: Mechanical, °C 890
130
Melting Completion (Liquidus), °C 1510
840
Melting Onset (Solidus), °C 1430
800
Specific Heat Capacity, J/kg-K 480
380
Thermal Conductivity, W/m-K 25
110
Thermal Expansion, µm/m-K 11
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
25
Electrical Conductivity: Equal Weight (Specific), % IACS 3.4
28

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
24
Density, g/cm3 7.7
8.1
Embodied Carbon, kg CO2/kg material 2.3
2.7
Embodied Energy, MJ/kg 34
46
Embodied Water, L/kg 120
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 95
25
Resilience: Unit (Modulus of Resilience), kJ/m3 160
180
Stiffness to Weight: Axial, points 14
7.1
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 18
12
Strength to Weight: Bending, points 18
13
Thermal Diffusivity, mm2/s 6.7
35
Thermal Shock Resistance, points 16
12

Alloy Composition

Aluminum (Al), % 0 to 0.15
0.3 to 0.7
Antimony (Sb), % 0
0 to 0.14
Arsenic (As), % 0
0.040 to 0.14
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 17 to 19
0
Copper (Cu), % 0
61.5 to 64.5
Iron (Fe), % 77.1 to 82.8
0 to 0.3
Lead (Pb), % 0
1.5 to 2.2
Manganese (Mn), % 0 to 1.0
0 to 0.1
Nickel (Ni), % 0 to 0.5
0 to 0.2
Nitrogen (N), % 0 to 0.030
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0 to 0.020
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
0 to 0.3
Titanium (Ti), % 0.2 to 1.1
0
Zinc (Zn), % 0
31.5 to 36.7