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C99750 Brass vs. S38815 Stainless Steel

C99750 brass belongs to the copper alloys classification, while S38815 stainless steel belongs to the iron alloys. There are 25 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is C99750 brass and the bottom bar is S38815 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 110 to 120
190
Elastic (Young's, Tensile) Modulus, GPa 130
190
Elongation at Break, % 20 to 30
34
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 48
74
Tensile Strength: Ultimate (UTS), MPa 450 to 520
610
Tensile Strength: Yield (Proof), MPa 220 to 280
290

Thermal Properties

Latent Heat of Fusion, J/g 200
370
Maximum Temperature: Mechanical, °C 160
860
Melting Completion (Liquidus), °C 840
1360
Melting Onset (Solidus), °C 820
1310
Specific Heat Capacity, J/kg-K 410
500
Thermal Expansion, µm/m-K 20
15

Otherwise Unclassified Properties

Base Metal Price, % relative 23
19
Density, g/cm3 8.1
7.5
Embodied Carbon, kg CO2/kg material 3.1
3.8
Embodied Energy, MJ/kg 51
54
Embodied Water, L/kg 310
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 87 to 110
170
Resilience: Unit (Modulus of Resilience), kJ/m3 190 to 300
220
Stiffness to Weight: Axial, points 8.6
14
Stiffness to Weight: Bending, points 21
25
Strength to Weight: Axial, points 15 to 18
22
Strength to Weight: Bending, points 16 to 18
21
Thermal Shock Resistance, points 13 to 15
15

Alloy Composition

Aluminum (Al), % 0.25 to 3.0
0 to 0.3
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
13 to 15
Copper (Cu), % 55 to 61
0.75 to 1.5
Iron (Fe), % 0 to 1.0
56.1 to 67
Lead (Pb), % 0.5 to 2.5
0
Manganese (Mn), % 17 to 23
0 to 2.0
Molybdenum (Mo), % 0
0.75 to 1.5
Nickel (Ni), % 0 to 5.0
13 to 17
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
5.5 to 6.5
Sulfur (S), % 0
0 to 0.020
Zinc (Zn), % 17 to 23
0
Residuals, % 0 to 0.3
0