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AISI 430 Stainless Steel vs. C38000 Brass

AISI 430 stainless steel belongs to the iron alloys classification, while C38000 brass belongs to the copper alloys. There are 27 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is AISI 430 stainless steel and the bottom bar is C38000 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
100
Elongation at Break, % 24
17
Poisson's Ratio 0.28
0.31
Shear Modulus, GPa 77
39
Shear Strength, MPa 320
230
Tensile Strength: Ultimate (UTS), MPa 500
380
Tensile Strength: Yield (Proof), MPa 260
120

Thermal Properties

Latent Heat of Fusion, J/g 280
170
Maximum Temperature: Mechanical, °C 870
110
Melting Completion (Liquidus), °C 1510
800
Melting Onset (Solidus), °C 1430
760
Specific Heat Capacity, J/kg-K 480
380
Thermal Conductivity, W/m-K 25
110
Thermal Expansion, µm/m-K 10
21

Otherwise Unclassified Properties

Base Metal Price, % relative 8.5
22
Density, g/cm3 7.7
8.0
Embodied Carbon, kg CO2/kg material 2.1
2.7
Embodied Energy, MJ/kg 30
46
Embodied Water, L/kg 120
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
50
Resilience: Unit (Modulus of Resilience), kJ/m3 170
74
Stiffness to Weight: Axial, points 14
7.1
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 18
13
Strength to Weight: Bending, points 18
14
Thermal Diffusivity, mm2/s 6.7
37
Thermal Shock Resistance, points 18
13

Alloy Composition

Aluminum (Al), % 0
0 to 0.5
Carbon (C), % 0 to 0.12
0
Chromium (Cr), % 16 to 18
0
Copper (Cu), % 0
55 to 60
Iron (Fe), % 79.1 to 84
0 to 0.35
Lead (Pb), % 0
1.5 to 2.5
Manganese (Mn), % 0 to 1.0
0
Nickel (Ni), % 0 to 0.75
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
0 to 0.3
Zinc (Zn), % 0
35.9 to 43.5
Residuals, % 0
0 to 0.5