Poisson’s Ratio Values for Common Materials

On this page, you can find a curated list of poisson’s ratio values for common materials taken at room temperature (approximately 20°C or 68°F)..

Poisson’s Ratio Values for Different Materials
Acrylic0.35
Aluminum alloy0.33 - 0.35
Brass0.34 - 0.36
Bronze0.32 - 0.35
Bronze (phosphor)0.36 - 0.39
Carbon fiber composite0.2 - 0.3
Carbon steel0.27 - 0.3
Cast iron0.21 - 0.28
Ceramic (alumina)0.23 - 0.26
Cobalt alloy0.3
Concrete0.15 - 0.25
Concrete (reinforced)0.15 - 0.2
Copper0.34 - 0.36
Diamond0.1 - 0.2
Epoxy resin0.35 - 0.4
Glass0.2 - 0.3
Glass-reinforced plastic0.35 - 0.4
Gold0.42
Granite0.2 - 0.3
Hastelloy0.3 - 0.35
Inconel0.3 - 0.35
Invar0.32
Lead0.44
Magnesium0.35 - 0.4
Molybdenum0.31
Nickel0.31 - 0.33
Nickel alloy0.32 - 0.34
Nylon0.4 - 0.5
Paper0.4 - 0.5
Platinum0.38
Polycarbonate (PC)0.35 - 0.4
Polyethylene (PE)0.45 - 0.5
Polyethylene Terephthalate (PET)0.4 - 0.45
Polypropylene (PP)0.35 - 0.4
Polystyrene (PS)0.35 - 0.4
Polyvinyl Chloride (PVC)0.4 - 0.45
Rubber0.47 - 0.5
Silicon0.27 - 0.35
Silver0.37
Stainless steel0.3 - 0.35
Steel0.28 - 0.3
Teflon (PTFE)0.4
Tin0.36
Titanium0.32 - 0.35
Tungsten0.28
Wood (parallel to grain)0.2 - 0.4
Wood (perpendicular to grain)0.3 - 0.5
Zinc0.25
Zirconium0.22
Related Tables
References: 1) CRC Handbook of Chemistry and Physics, 97th Edition. United Kingdom: CRC Press, 2016-2017.