MakeItFrom.com
Menu (ESC)

AISI 439 Stainless Steel vs. C99750 Brass

AISI 439 stainless steel belongs to the iron alloys classification, while C99750 brass belongs to the copper alloys. There are 28 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 439 stainless steel and the bottom bar is C99750 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
110 to 120
Elastic (Young's, Tensile) Modulus, GPa 200
130
Elongation at Break, % 23
20 to 30
Poisson's Ratio 0.28
0.32
Rockwell B Hardness 78
77 to 82
Shear Modulus, GPa 77
48
Tensile Strength: Ultimate (UTS), MPa 490
450 to 520
Tensile Strength: Yield (Proof), MPa 250
220 to 280

Thermal Properties

Latent Heat of Fusion, J/g 280
200
Maximum Temperature: Mechanical, °C 890
160
Melting Completion (Liquidus), °C 1510
840
Melting Onset (Solidus), °C 1430
820
Specific Heat Capacity, J/kg-K 480
410
Thermal Expansion, µm/m-K 11
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 3.4
2.2

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
23
Density, g/cm3 7.7
8.1
Embodied Carbon, kg CO2/kg material 2.3
3.1
Embodied Energy, MJ/kg 34
51
Embodied Water, L/kg 120
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 95
87 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 160
190 to 300
Stiffness to Weight: Axial, points 14
8.6
Stiffness to Weight: Bending, points 25
21
Strength to Weight: Axial, points 18
15 to 18
Strength to Weight: Bending, points 18
16 to 18
Thermal Shock Resistance, points 16
13 to 15

Alloy Composition

Aluminum (Al), % 0 to 0.15
0.25 to 3.0
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 17 to 19
0
Copper (Cu), % 0
55 to 61
Iron (Fe), % 77.1 to 82.8
0 to 1.0
Lead (Pb), % 0
0.5 to 2.5
Manganese (Mn), % 0 to 1.0
17 to 23
Nickel (Ni), % 0 to 0.5
0 to 5.0
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), % 0.2 to 1.1
0
Zinc (Zn), % 0
17 to 23
Residuals, % 0
0 to 0.3