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AISI 431 Stainless Steel vs. C36000 Brass

AISI 431 stainless steel belongs to the iron alloys classification, while C36000 brass belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is AISI 431 stainless steel and the bottom bar is C36000 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
100
Elongation at Break, % 15 to 17
5.8 to 23
Poisson's Ratio 0.28
0.31
Shear Modulus, GPa 77
39
Shear Strength, MPa 550 to 840
210 to 310
Tensile Strength: Ultimate (UTS), MPa 890 to 1380
330 to 530
Tensile Strength: Yield (Proof), MPa 710 to 1040
140 to 260

Thermal Properties

Latent Heat of Fusion, J/g 280
170
Maximum Temperature: Mechanical, °C 850
120
Melting Completion (Liquidus), °C 1510
900
Melting Onset (Solidus), °C 1450
890
Specific Heat Capacity, J/kg-K 480
380
Thermal Conductivity, W/m-K 26
120
Thermal Expansion, µm/m-K 12
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.6
26
Electrical Conductivity: Equal Weight (Specific), % IACS 3.0
29

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
23
Density, g/cm3 7.7
8.2
Embodied Carbon, kg CO2/kg material 2.2
2.6
Embodied Energy, MJ/kg 31
45
Embodied Water, L/kg 120
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 180
25 to 62
Resilience: Unit (Modulus of Resilience), kJ/m3 1270 to 2770
89 to 340
Stiffness to Weight: Axial, points 14
7.0
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 32 to 50
11 to 18
Strength to Weight: Bending, points 27 to 36
13 to 18
Thermal Diffusivity, mm2/s 7.0
37
Thermal Shock Resistance, points 28 to 43
11 to 18

Alloy Composition

Carbon (C), % 0 to 0.2
0
Chromium (Cr), % 15 to 17
0
Copper (Cu), % 0
60 to 63
Iron (Fe), % 78.2 to 83.8
0 to 0.35
Lead (Pb), % 0
2.5 to 3.7
Manganese (Mn), % 0 to 1.0
0
Nickel (Ni), % 1.3 to 2.5
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.030
0
Zinc (Zn), % 0
32.5 to 37.5
Residuals, % 0
0 to 0.5