SEW 410 Grade G-X3CrNiMoN26-6-3 Quenched (+Q) – Enhanced Corrosion Resistance for Pump Components

G-X 3 CrNiMoN 26 6 3, for cast parts, like in the production of pumps, has increased resistance against pitting and crevice corrosion in chloride containing solutions, increased strength, is not qualified for service temperatures over 300 °C.

Properties

General

Property	Temperature	Value
Density	20.0 °C	7.8 g/cm³

Mechanical

Property	Temperature	Value	Comment
Elastic modulus	23.0 °C	200 GPa	Typical for Duplex Stainless Steel
Elongation	20.0 °C	22 %
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	650 - 850 MPa
Yield strength Rp0.2	20.0 °C	450 MPa
	100.0 °C	360 MPa
	200.0 °C	300 MPa
	300.0 °C	265 MPa
	350.0 °C	250 MPa

Thermal

Property	Temperature	Value	Comment
Coefficient of thermal expansion	100.0 °C	1.4E-5 1/K
	200.0 °C	1.45E-5 1/K
	300.0 °C	1.49E-5 1/K

Max service temperature		300 °C	Typical for Duplex Stainless Steel
Max service temperature, long		0 - 300 °C
Melting point		1375 - 1450 °C	Typical for Duplex Stainless Steel
Specific heat capacity	20.0 °C	450 J/(kg·K)
Thermal conductivity	20.0 °C	15 W/(m·K)

Chemical properties

Property	Value
Carbon	0.03 %
Chromium	24.5 - 26.5 %
Manganese	2 %
Molybdenum	2.5 - 3.5 %
Nickel	5.5 - 7 %
Nitrogen	0.12 - 0.25 %
Phosphorus	0.03 %
Silicon	1 %
Sulfur	0.02 %

JIS G4311 SUH660 Stainless Steel: Post-Solution Ageing Treatment & Key Properties SEW 410 Grade G-X2CrNiMoN25-7-4 Quenched Steel for High‑Performance Pump Components

Metal