Stainless 17-4PH

Stainless 17-4PH (H900) strength, stiffness, density and thermal properties, with their source.

A bracket in Stainless 17-4PH, brushed finish.

Mechanical
Process	Wrought
Yield strength	1,275MPasourcetypical, transverse, sheet/strip
Ultimate tensile strength	1,379MPasourcetypical, transverse, sheet/strip
Elongation at break	9%sourcetypical, transverse, in 2 in. (50.8 mm)
Young's modulus (stiffness)	197GPasourceH 900
Density	7,800kg/m³sourceH 900
Strength to weight	163kN·m/kg
Stiffness to weight	25.3MN·m/kg
Poisson's ratio	0.272sourceH 900 (column)
Shear modulus	77.4GPa
Bulk modulus	144GPa
Speed of sound	5,026m/s
Thermal
Thermal conductivity	17.9W/m·Ksourceat 149 °C (300 °F), H 900
Thermal expansion	10.8µm/m·Ksourcemean, 21–93 °C (70–200 °F), H 900
100 mm part over a 50 °C swing	54µm growth
Specific heat	460J/kg·Ksourcemean, 0–100 °C, H 900
Heats up and cools (diffusivity)	4.99mm²/s
Thermal shock resistance	7,809W/m
Max service temperature	316°Csourcestrength-retention limit (not oxidation)
Values for	Cleveland-Cliffs 17-4 PH, Condition H 900, sheet/strip, transverse (Product Data Bulletin, May 2021)

Among 59 materials

Stiffness against density

Strength against density