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CC764S Brass vs. S31730 Stainless Steel

CC764S brass belongs to the copper alloys classification, while S31730 stainless steel belongs to the iron alloys. There are 25 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 CC764S brass and the bottom bar is S31730 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
180
Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 15
40
Poisson's Ratio 0.31
0.28
Shear Modulus, GPa 41
77
Tensile Strength: Ultimate (UTS), MPa 680
540
Tensile Strength: Yield (Proof), MPa 290
200

Thermal Properties

Latent Heat of Fusion, J/g 180
290
Maximum Temperature: Mechanical, °C 130
990
Melting Completion (Liquidus), °C 850
1430
Melting Onset (Solidus), °C 810
1390
Specific Heat Capacity, J/kg-K 400
470
Thermal Expansion, µm/m-K 20
16

Otherwise Unclassified Properties

Base Metal Price, % relative 23
24
Density, g/cm3 7.9
8.0
Embodied Carbon, kg CO2/kg material 2.9
4.6
Embodied Energy, MJ/kg 49
63
Embodied Water, L/kg 330
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 80
170
Resilience: Unit (Modulus of Resilience), kJ/m3 390
99
Stiffness to Weight: Axial, points 7.6
14
Stiffness to Weight: Bending, points 20
24
Strength to Weight: Axial, points 24
19
Strength to Weight: Bending, points 22
18
Thermal Shock Resistance, points 22
12

Alloy Composition

Aluminum (Al), % 1.0 to 3.0
0
Antimony (Sb), % 0 to 0.050
0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
17 to 19
Copper (Cu), % 52 to 66
4.0 to 5.0
Iron (Fe), % 0.5 to 2.5
52.4 to 61
Lead (Pb), % 0 to 0.3
0
Manganese (Mn), % 0.3 to 4.0
0 to 2.0
Molybdenum (Mo), % 0
3.0 to 4.0
Nickel (Ni), % 0 to 3.0
15 to 16.5
Nitrogen (N), % 0
0 to 0.045
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 0.1
0 to 1.0
Sulfur (S), % 0
0 to 0.010
Tin (Sn), % 0 to 0.3
0
Zinc (Zn), % 20.7 to 50.2
0