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C99750 Brass vs. S30435 Stainless Steel

C99750 brass belongs to the copper alloys classification, while S30435 stainless steel belongs to the iron alloys. There are 28 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 C99750 brass and the bottom bar is S30435 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 110 to 120
160
Elastic (Young's, Tensile) Modulus, GPa 130
190
Elongation at Break, % 20 to 30
51
Poisson's Ratio 0.32
0.28
Rockwell B Hardness 77 to 82
77
Shear Modulus, GPa 48
76
Tensile Strength: Ultimate (UTS), MPa 450 to 520
510
Tensile Strength: Yield (Proof), MPa 220 to 280
170

Thermal Properties

Latent Heat of Fusion, J/g 200
280
Maximum Temperature: Mechanical, °C 160
900
Melting Completion (Liquidus), °C 840
1420
Melting Onset (Solidus), °C 820
1380
Specific Heat Capacity, J/kg-K 410
480
Thermal Expansion, µm/m-K 20
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.2
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 23
14
Density, g/cm3 8.1
7.8
Embodied Carbon, kg CO2/kg material 3.1
2.9
Embodied Energy, MJ/kg 51
40
Embodied Water, L/kg 310
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 87 to 110
210
Resilience: Unit (Modulus of Resilience), kJ/m3 190 to 300
77
Stiffness to Weight: Axial, points 8.6
14
Stiffness to Weight: Bending, points 21
25
Strength to Weight: Axial, points 15 to 18
18
Strength to Weight: Bending, points 16 to 18
18
Thermal Shock Resistance, points 13 to 15
12

Alloy Composition

Aluminum (Al), % 0.25 to 3.0
0
Carbon (C), % 0
0 to 0.080
Chromium (Cr), % 0
16 to 18
Copper (Cu), % 55 to 61
1.5 to 3.0
Iron (Fe), % 0 to 1.0
66.9 to 75.5
Lead (Pb), % 0.5 to 2.5
0
Manganese (Mn), % 17 to 23
0 to 2.0
Nickel (Ni), % 0 to 5.0
7.0 to 9.0
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Zinc (Zn), % 17 to 23
0
Residuals, % 0 to 0.3
0