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S30435 Stainless Steel vs. C66700 Brass

S30435 stainless steel belongs to the iron alloys classification, while C66700 brass belongs to the copper alloys. There are 30 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 S30435 stainless steel and the bottom bar is C66700 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 51
2.0 to 58
Poisson's Ratio 0.28
0.31
Rockwell B Hardness 77
57 to 93
Shear Modulus, GPa 76
41
Shear Strength, MPa 370
250 to 530
Tensile Strength: Ultimate (UTS), MPa 510
340 to 690
Tensile Strength: Yield (Proof), MPa 170
100 to 640

Thermal Properties

Latent Heat of Fusion, J/g 280
180
Maximum Temperature: Mechanical, °C 900
140
Melting Completion (Liquidus), °C 1420
1090
Melting Onset (Solidus), °C 1380
1050
Specific Heat Capacity, J/kg-K 480
390
Thermal Conductivity, W/m-K 16
97
Thermal Expansion, µm/m-K 16
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
17
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
19

Otherwise Unclassified Properties

Base Metal Price, % relative 14
25
Density, g/cm3 7.8
8.2
Embodied Carbon, kg CO2/kg material 2.9
2.7
Embodied Energy, MJ/kg 40
45
Embodied Water, L/kg 140
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 210
13 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 77
49 to 1900
Stiffness to Weight: Axial, points 14
7.3
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 18
11 to 23
Strength to Weight: Bending, points 18
13 to 21
Thermal Diffusivity, mm2/s 4.2
30
Thermal Shock Resistance, points 12
11 to 23

Alloy Composition

Carbon (C), % 0 to 0.080
0
Chromium (Cr), % 16 to 18
0
Copper (Cu), % 1.5 to 3.0
68.5 to 71.5
Iron (Fe), % 66.9 to 75.5
0 to 0.1
Lead (Pb), % 0
0 to 0.070
Manganese (Mn), % 0 to 2.0
0.8 to 1.5
Nickel (Ni), % 7.0 to 9.0
0
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.030
0
Zinc (Zn), % 0
26.3 to 30.7
Residuals, % 0
0 to 0.5