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AISI 317L Stainless Steel vs. C68800 Brass

AISI 317L stainless steel belongs to the iron alloys classification, while C68800 brass belongs to the copper alloys. There are 30 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is AISI 317L stainless steel and the bottom bar is C68800 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 44
2.0 to 36
Poisson's Ratio 0.28
0.32
Rockwell B Hardness 81
81 to 99
Shear Modulus, GPa 82
41
Shear Strength, MPa 380
380 to 510
Tensile Strength: Ultimate (UTS), MPa 550
570 to 890
Tensile Strength: Yield (Proof), MPa 250
390 to 790

Thermal Properties

Latent Heat of Fusion, J/g 290
190
Maximum Temperature: Mechanical, °C 1010
160
Melting Completion (Liquidus), °C 1400
960
Melting Onset (Solidus), °C 1380
950
Specific Heat Capacity, J/kg-K 470
400
Thermal Conductivity, W/m-K 14
40
Thermal Expansion, µm/m-K 17
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
18
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
20

Otherwise Unclassified Properties

Base Metal Price, % relative 21
26
Density, g/cm3 7.9
8.2
Embodied Carbon, kg CO2/kg material 4.3
2.8
Embodied Energy, MJ/kg 59
48
Embodied Water, L/kg 160
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
16 to 180
Resilience: Unit (Modulus of Resilience), kJ/m3 150
710 to 2860
Stiffness to Weight: Axial, points 14
7.3
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 19
19 to 30
Strength to Weight: Bending, points 19
19 to 25
Thermal Diffusivity, mm2/s 3.8
12
Thermal Shock Resistance, points 12
19 to 30

Alloy Composition

Aluminum (Al), % 0
3.0 to 3.8
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 18 to 20
0
Cobalt (Co), % 0
0.25 to 0.55
Copper (Cu), % 0
70.8 to 75.5
Iron (Fe), % 58 to 68
0 to 0.2
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0 to 2.0
0
Molybdenum (Mo), % 3.0 to 4.0
0
Nickel (Ni), % 11 to 15
0
Nitrogen (N), % 0 to 0.1
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
21.3 to 24.1
Residuals, % 0
0 to 0.5