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AISI 434 Stainless Steel vs. C21000 Brass

AISI 434 stainless steel belongs to the iron alloys classification, while C21000 brass belongs to the copper alloys. There are 30 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is AISI 434 stainless steel and the bottom bar is C21000 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 24
2.9 to 50
Poisson's Ratio 0.28
0.34
Rockwell B Hardness 77
36 to 73
Shear Modulus, GPa 78
43
Shear Strength, MPa 330
180 to 280
Tensile Strength: Ultimate (UTS), MPa 520
240 to 450
Tensile Strength: Yield (Proof), MPa 320
69 to 440

Thermal Properties

Latent Heat of Fusion, J/g 280
200
Maximum Temperature: Mechanical, °C 880
190
Melting Completion (Liquidus), °C 1510
1070
Melting Onset (Solidus), °C 1430
1050
Specific Heat Capacity, J/kg-K 480
390
Thermal Conductivity, W/m-K 25
230
Thermal Expansion, µm/m-K 10
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
56
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
57

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
30
Density, g/cm3 7.7
8.8
Embodied Carbon, kg CO2/kg material 2.4
2.6
Embodied Energy, MJ/kg 33
42
Embodied Water, L/kg 120
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
13 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 260
21 to 830
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 19
7.4 to 14
Strength to Weight: Bending, points 18
9.6 to 15
Thermal Diffusivity, mm2/s 6.7
69
Thermal Shock Resistance, points 19
8.1 to 15

Alloy Composition

Carbon (C), % 0 to 0.12
0
Chromium (Cr), % 16 to 18
0
Copper (Cu), % 0
94 to 96
Iron (Fe), % 78.6 to 83.3
0 to 0.050
Lead (Pb), % 0
0 to 0.030
Manganese (Mn), % 0 to 1.0
0
Molybdenum (Mo), % 0.75 to 1.3
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
3.7 to 6.0
Residuals, % 0
0 to 0.2