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Poisson's Ratio Metals Materials Chart

Strength of Materials  |  Engineering Metals & Materials

The following is a chart of Poisson's Ratio for common engineering materials and metals.

When a compressive force acts on a cylinder body, the force causes the sample to contract in the direction of the force and expand laterally. Within the elastic range of the material, the ratio of these strains is a constant for that particular material. The ratio of the strains, (δ/L) for longitudinal strain and (δ'/r) for lateral strain, is referred to as Poisson's ratio.

Poisson's Ratio

Poisson's Ratio Formula

Poisson's Ratio Equation & Definition

Material Poisson's Ratio
Aluminum alloy

0.32

Aluminum, 6061-T6 0.35
Aluminum, 2024-T4 0.32
Beryllium Copper 0.285
Brass 0.331
Brass, cast 0.357
Bronze 0.34
Cast iron 0.21 - 0.26
Clay 0.30 - 0.45
Concrete 0.200
Copper 0.330
Cork ~ 0.00
Foam 0.10 - 0.40
Glass 0.18 - 0.3
Granite 0.2 - 0.3
Gold 0.42 - 0.44
Inconel 0.27 - 0.38
Iron, Cast 0.22 - 0.30
Iron, Cast - gray 0.211
Iron, Ductile 0.26 - 0.31
Iron, Malleable 0.271
Limestone 0.2 - 0.3
Magnesium 0.350
Magnesium Alloy 0.281

 

Material Poissons Ratio
Molybdenum 0.307
Monel 0.320
Nickel 0.310
Nickel Silver 0.322
Nickel Steel 0.291
Polystyrene 0.340
Phosphor Bronze 0.359
Platinum 0.380
Rubber ~ 0.550
Sand 0.20 - 0.45
Saturated clay 0.40 - 0.49
Stainless steel 0.30 - 0.31
Steel 0.27 - 0.30
Steel, cast 0.265
Steel, Cold-rolled 0.287
Steel, high carbon 0.295
Steel, mild 0.303
Titanium 0.340
Wrought iron 0.278
Z-nickel 0.360
Zinc 0.331


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