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AISI 317L Stainless Steel vs. C37700 Brass

AISI 317L stainless steel belongs to the iron alloys classification, while C37700 brass belongs to the copper alloys. There are 30 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is AISI 317L stainless steel and the bottom bar is C37700 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
100
Elongation at Break, % 44
40
Poisson's Ratio 0.28
0.31
Rockwell B Hardness 81
45
Shear Modulus, GPa 82
39
Shear Strength, MPa 380
270
Tensile Strength: Ultimate (UTS), MPa 550
400
Tensile Strength: Yield (Proof), MPa 250
160

Thermal Properties

Latent Heat of Fusion, J/g 290
170
Maximum Temperature: Mechanical, °C 1010
120
Melting Completion (Liquidus), °C 1400
890
Melting Onset (Solidus), °C 1380
880
Specific Heat Capacity, J/kg-K 470
380
Thermal Conductivity, W/m-K 14
120
Thermal Expansion, µm/m-K 17
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
27
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
30

Otherwise Unclassified Properties

Base Metal Price, % relative 21
23
Density, g/cm3 7.9
8.1
Embodied Carbon, kg CO2/kg material 4.3
2.6
Embodied Energy, MJ/kg 59
45
Embodied Water, L/kg 160
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
130
Resilience: Unit (Modulus of Resilience), kJ/m3 150
120
Stiffness to Weight: Axial, points 14
7.1
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 19
14
Strength to Weight: Bending, points 19
15
Thermal Diffusivity, mm2/s 3.8
39
Thermal Shock Resistance, points 12
13

Alloy Composition

Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 18 to 20
0
Copper (Cu), % 0
58 to 61
Iron (Fe), % 58 to 68
0 to 0.3
Lead (Pb), % 0
1.5 to 2.5
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
35.7 to 40.5
Residuals, % 0
0 to 0.5