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S21603 Stainless Steel vs. C66700 Brass

S21603 stainless steel belongs to the iron alloys classification, while C66700 brass belongs to the copper alloys. There are 26 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is S21603 stainless steel and the bottom bar is C66700 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 45
2.0 to 58
Poisson's Ratio 0.28
0.31
Rockwell B Hardness 88
57 to 93
Shear Modulus, GPa 79
41
Shear Strength, MPa 490
250 to 530
Tensile Strength: Ultimate (UTS), MPa 690
340 to 690
Tensile Strength: Yield (Proof), MPa 390
100 to 640

Thermal Properties

Latent Heat of Fusion, J/g 290
180
Maximum Temperature: Mechanical, °C 990
140
Melting Completion (Liquidus), °C 1420
1090
Melting Onset (Solidus), °C 1380
1050
Specific Heat Capacity, J/kg-K 480
390
Thermal Expansion, µm/m-K 17
20

Otherwise Unclassified Properties

Base Metal Price, % relative 17
25
Density, g/cm3 7.7
8.2
Embodied Carbon, kg CO2/kg material 3.6
2.7
Embodied Energy, MJ/kg 50
45
Embodied Water, L/kg 160
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 270
13 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 380
49 to 1900
Stiffness to Weight: Axial, points 14
7.3
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 25
11 to 23
Strength to Weight: Bending, points 22
13 to 21
Thermal Shock Resistance, points 15
11 to 23

Alloy Composition

Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 17.5 to 22
0
Copper (Cu), % 0
68.5 to 71.5
Iron (Fe), % 57.6 to 67.8
0 to 0.1
Lead (Pb), % 0
0 to 0.070
Manganese (Mn), % 7.5 to 9.0
0.8 to 1.5
Molybdenum (Mo), % 2.0 to 3.0
0
Nickel (Ni), % 5.0 to 7.0
0
Nitrogen (N), % 0.25 to 0.5
0
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 0.75
0
Sulfur (S), % 0 to 0.030
0
Zinc (Zn), % 0
26.3 to 30.7
Residuals, % 0
0 to 0.5