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AISI 304 Stainless Steel vs. C69700 Brass

AISI 304 stainless steel belongs to the iron alloys classification, while C69700 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 AISI 304 stainless steel and the bottom bar is C69700 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 8.0 to 43
25
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 77
41
Shear Strength, MPa 400 to 690
300
Tensile Strength: Ultimate (UTS), MPa 580 to 1180
470
Tensile Strength: Yield (Proof), MPa 230 to 860
230

Thermal Properties

Latent Heat of Fusion, J/g 290
240
Maximum Temperature: Mechanical, °C 710
160
Melting Completion (Liquidus), °C 1450
930
Melting Onset (Solidus), °C 1400
880
Specific Heat Capacity, J/kg-K 480
400
Thermal Conductivity, W/m-K 16
43
Thermal Expansion, µm/m-K 17
19

Otherwise Unclassified Properties

Base Metal Price, % relative 15
26
Density, g/cm3 7.8
8.3
Embodied Carbon, kg CO2/kg material 3.0
2.7
Embodied Energy, MJ/kg 43
44
Embodied Water, L/kg 150
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 86 to 250
99
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 1870
250
Stiffness to Weight: Axial, points 14
7.3
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 21 to 42
16
Strength to Weight: Bending, points 20 to 32
16
Thermal Diffusivity, mm2/s 4.2
13
Thermal Shock Resistance, points 12 to 25
16

Alloy Composition

Carbon (C), % 0 to 0.080
0
Chromium (Cr), % 18 to 20
0
Copper (Cu), % 0
75 to 80
Iron (Fe), % 66.5 to 74
0 to 0.2
Lead (Pb), % 0
0.5 to 1.5
Manganese (Mn), % 0 to 2.0
0 to 0.4
Nickel (Ni), % 8.0 to 10.5
0
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 0.75
2.5 to 3.5
Sulfur (S), % 0 to 0.030
0
Zinc (Zn), % 0
13.9 to 22
Residuals, % 0
0 to 0.5