Plastic Nylon PA6

Plastic Nylon PA6 (dry) strength, stiffness, density and thermal properties, with their source.

A bracket in Plastic Nylon PA6, smooth finish.

Mechanical
Process	Bulk polymer (molded or machined)
Yield strength	90MPasourcetypical, dry
Ultimate tensile strength	not sourced
Elongation at break	10%sourcenominal strain at break, dry
Young's modulus (stiffness)	3.5GPasourcetypical, dry
Density	1,130kg/m³sourcetypical
Strength to weight	79.6kN·m/kg
Stiffness to weight	3.1MN·m/kg
Poisson's ratio	0.4sourcebase material: unfilled polyamide (PA), conditioned, maker design-guide family value (Covestro Table 3-1)
Shear modulus	1.25GPa
Bulk modulus	5.83GPa
Speed of sound	1,760m/s
Thermal
Thermal conductivity	0.33W/m·Ksourcetypical
Thermal expansion	102µm/m·Ksourcelongitudinal, 23-55 °C
100 mm part over a 50 °C swing	510µm growth
Specific heat	1,700J/kg·Ksourcetypical
Heats up and cools (diffusivity)	0.172mm²/s
Thermal shock resistance	49.9W/m
Melting point	220°CsourceDSC
Max service temperature	87°CsourceIEC 60216 temperature index, 20000 h
Values for	BASF Ultramid B3S (PA6, unreinforced injection-moulding grade), Product Information 02/2026, dry values (ISO methods)

Among 59 materials

Stiffness against density

Strength against density