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S41045 Stainless Steel vs. C99700 Brass

S41045 stainless steel belongs to the iron alloys classification, while C99700 brass belongs to the copper alloys. There are 26 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is S41045 stainless steel and the bottom bar is C99700 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
120
Elongation at Break, % 25
25
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 76
46
Tensile Strength: Ultimate (UTS), MPa 430
380
Tensile Strength: Yield (Proof), MPa 230
170

Thermal Properties

Latent Heat of Fusion, J/g 270
200
Maximum Temperature: Mechanical, °C 740
160
Melting Completion (Liquidus), °C 1450
900
Melting Onset (Solidus), °C 1400
880
Specific Heat Capacity, J/kg-K 480
410
Thermal Expansion, µm/m-K 10
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
3.0
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 8.5
25
Density, g/cm3 7.8
8.1
Embodied Carbon, kg CO2/kg material 2.2
3.3
Embodied Energy, MJ/kg 31
53
Embodied Water, L/kg 100
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 92
78
Resilience: Unit (Modulus of Resilience), kJ/m3 140
120
Stiffness to Weight: Axial, points 14
8.3
Stiffness to Weight: Bending, points 25
20
Strength to Weight: Axial, points 16
13
Strength to Weight: Bending, points 16
14
Thermal Shock Resistance, points 16
11

Alloy Composition

Aluminum (Al), % 0
0.5 to 3.0
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 12 to 13
0
Copper (Cu), % 0
54 to 65.5
Iron (Fe), % 83.8 to 88
0 to 1.0
Lead (Pb), % 0
0 to 2.0
Manganese (Mn), % 0 to 1.0
11 to 15
Nickel (Ni), % 0 to 0.5
4.0 to 6.0
Niobium (Nb), % 0 to 0.6
0
Nitrogen (N), % 0 to 0.030
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 1.0
Zinc (Zn), % 0
19 to 25
Residuals, % 0
0 to 0.3