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S20910 Stainless Steel vs. C34500 Brass

S20910 stainless steel belongs to the iron alloys classification, while C34500 brass belongs to the copper alloys. There are 27 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 S20910 stainless steel and the bottom bar is C34500 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
100
Elongation at Break, % 14 to 39
12 to 28
Poisson's Ratio 0.28
0.31
Shear Modulus, GPa 79
40
Shear Strength, MPa 500 to 570
220 to 260
Tensile Strength: Ultimate (UTS), MPa 780 to 940
340 to 430
Tensile Strength: Yield (Proof), MPa 430 to 810
120 to 180

Thermal Properties

Latent Heat of Fusion, J/g 300
170
Maximum Temperature: Mechanical, °C 1080
120
Melting Completion (Liquidus), °C 1420
910
Melting Onset (Solidus), °C 1380
890
Specific Heat Capacity, J/kg-K 480
380
Thermal Conductivity, W/m-K 13
120
Thermal Expansion, µm/m-K 16
21

Otherwise Unclassified Properties

Base Metal Price, % relative 22
24
Density, g/cm3 7.8
8.2
Embodied Carbon, kg CO2/kg material 4.8
2.6
Embodied Energy, MJ/kg 68
45
Embodied Water, L/kg 180
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120 to 260
42 to 75
Resilience: Unit (Modulus of Resilience), kJ/m3 460 to 1640
69 to 160
Stiffness to Weight: Axial, points 14
7.1
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 28 to 33
12 to 15
Strength to Weight: Bending, points 24 to 27
13 to 16
Thermal Diffusivity, mm2/s 3.6
37
Thermal Shock Resistance, points 17 to 21
11 to 14

Alloy Composition

Carbon (C), % 0 to 0.060
0
Chromium (Cr), % 20.5 to 23.5
0
Copper (Cu), % 0
62 to 65
Iron (Fe), % 52.1 to 62.1
0 to 0.15
Lead (Pb), % 0
1.5 to 2.5
Manganese (Mn), % 4.0 to 6.0
0
Molybdenum (Mo), % 1.5 to 3.0
0
Nickel (Ni), % 11.5 to 13.5
0
Niobium (Nb), % 0.1 to 0.3
0
Nitrogen (N), % 0.2 to 0.4
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 0.75
0
Sulfur (S), % 0 to 0.030
0
Vanadium (V), % 0.1 to 0.3
0
Zinc (Zn), % 0
32 to 36.5
Residuals, % 0
0 to 0.4