EN 10250-4 Grade X2CrNiMoCuWN25-7-4 – Solution Annealed for High-Performance Applications

The austenitic-ferritic material X2CrNiMoCuWN25-7-4 is applicated in solution annealed condition in the form of warm rolled sheet as well as in the form of bars, wire rod and profiles. The material is resistant to intercrystalline corrosion also in sensitized condition.

Properties

General

Property	Temperature	Value
Density	20.0 °C	7.8 g/cm³

Mechanical

Property	Temperature	Value	Comment
Elastic modulus	20.0 °C	200 GPa
	100.0 °C	194 GPa
	200.0 °C	186 GPa

Elongation	20.0 °C	25 %
Elongation, transverse	20.0 °C	20 %
Poisson's ratio	23.0 °C	0.3 [-]	Typical for Duplex Stainless Steel
Shear modulus	23.0 °C	77 GPa	Typical for Duplex Stainless Steel
Tensile strength	20.0 °C	730 - 930 MPa
Tensile strength, transverse	20.0 °C	730 - 930 MPa
Yield strength Rp0.2	20.0 °C	530 MPa
	100.0 °C	450 MPa
	150.0 °C	420 MPa
	200.0 °C	400 MPa
	250.0 °C	380 MPa

Thermal

Property	Temperature	Value	Comment
Coefficient of thermal expansion	100.0 °C	1.3E-5 1/K
	200.0 °C	1.35E-5 1/K

Max service temperature		300 °C	Typical for Duplex Stainless Steel
Melting point		1375 - 1450 °C	Typical for Duplex Stainless Steel
Specific heat capacity	20.0 °C	500 J/(kg·K)
Thermal conductivity	20.0 °C	15 W/(m·K)

Chemical properties

Property	Value
Carbon	0.03 %
Chromium	24 - 26 %
Copper	0.5 - 1 %
Manganese	1 %
Molybdenum	3 - 4 %
Nickel	6 - 8 %
Nitrogen	0.2 - 0.3 %
Phosphorus	0.04 %
Silicon	1 %
Sulfur	0.015 %
Tungsten	0.5 - 1 %

EN 10250-4 Grade X2CrNiMoCuN25-6-3 – Solution Annealed Steel for High-Performance Applications EN 10250-4 Grade X2CrNiMoN25-7-4: Solution-Annealed Steel for High-Performance Applications

Metal