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S45000 Stainless Steel vs. CC750S Brass

S45000 stainless steel belongs to the iron alloys classification, while CC750S brass belongs to the copper alloys. There are 29 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 S45000 stainless steel and the bottom bar is CC750S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 280 to 410
54
Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 6.8 to 14
13
Poisson's Ratio 0.28
0.31
Shear Modulus, GPa 76
40
Tensile Strength: Ultimate (UTS), MPa 980 to 1410
200
Tensile Strength: Yield (Proof), MPa 580 to 1310
80

Thermal Properties

Latent Heat of Fusion, J/g 280
170
Maximum Temperature: Mechanical, °C 840
130
Melting Completion (Liquidus), °C 1440
860
Melting Onset (Solidus), °C 1390
810
Specific Heat Capacity, J/kg-K 480
380
Thermal Conductivity, W/m-K 17
110
Thermal Expansion, µm/m-K 11
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
24
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
26

Otherwise Unclassified Properties

Base Metal Price, % relative 13
25
Density, g/cm3 7.8
8.2
Embodied Carbon, kg CO2/kg material 2.8
2.8
Embodied Energy, MJ/kg 39
46
Embodied Water, L/kg 130
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 94 to 160
22
Resilience: Unit (Modulus of Resilience), kJ/m3 850 to 4400
30
Stiffness to Weight: Axial, points 14
7.1
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 35 to 50
6.8
Strength to Weight: Bending, points 28 to 36
9.3
Thermal Diffusivity, mm2/s 4.5
35
Thermal Shock Resistance, points 33 to 47
6.7

Alloy Composition

Aluminum (Al), % 0
0 to 0.1
Carbon (C), % 0 to 0.050
0
Chromium (Cr), % 14 to 16
0
Copper (Cu), % 1.3 to 1.8
62 to 67
Iron (Fe), % 72.1 to 79.3
0 to 0.8
Lead (Pb), % 0
1.0 to 3.0
Manganese (Mn), % 0 to 1.0
0 to 0.2
Molybdenum (Mo), % 0.5 to 1.0
0
Nickel (Ni), % 5.0 to 7.0
0 to 1.0
Phosphorus (P), % 0 to 0.040
0 to 0.050
Silicon (Si), % 0 to 1.0
0 to 0.050
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
0 to 1.5
Zinc (Zn), % 0
26.3 to 36