Material – EN 1.4424

Standard Specification for Seemless Steel Tubes for Pressure Purposes

Group - Ferrous Stainless Steel Alloys

Sub Group - EN 1.4424 Seemless Steel Tubes for Pressure Purposes

Application - Intended for Valve, Pump, General Engineering, Automotive and Other Industries

Grade Belongs to the Industry - Steel and Tube

Chemical Composition
CarbonC %0.030 max.
SiliconSi %1.400 - 2.000
ManganeseMn %1.200 - 2.000
PhosphorusP %0.035 max.
SulphurS %0.015 max.
ChromiumCr %18.000 - 19.000
MolybdenumMo %2.500 - 3.000
NickelNi %4.500 - 5.200
NitrogenN %0.050 - 0.100
IronFe %Balance
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Heat Treatment
Solution Annealing
Mechanical Properties
Tensile Strength in Mpa680 - 900
Yield Strength in Mpa400 min.
Elongation in %25 min.
Reduction of Area in %-
Hardness in HB260 max.
Impact in Joule60 J @ RT

Cross Reference Table

Material Standard Country Grade Belong to the Industry
10216-5 EN 1.4424 BS British Tube
1.4424 DIN Germany Steel and Tube
X2CrNiMoSi18-5-3 EN European Union Steel and Tube
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