Material – EN 1.6369

Standard Specification for Seemless Steel Tubes for Pressure Purposes

Group - Ferrous Mild Steel Alloys

Sub Group - EN 1.6369 Seemless Steel Tubes for Pressure Purposes

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

Grade Belongs to the Industry - Steel

Chemical Composition
CarbonC %0.100 - 0.170
SiliconSi %0.250 - 0.500
ManganeseMn %0.800 - 0.120
PhosphorusP %0.016 max.
SulphurS %0.005 max.
ChromiumCr %0.300 max.
MolybdenumMo %0.250 - 0.400
NickelNi %1.000 - 1.300
NiobiumNb %0.015 - 0.025
AluminiumAl %0.050 max.
CopperCu %0.500 - 0.800
NitrogenN %0.020 max.
IronFe %Balance
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Heat Treatment
Normalising + Tempering
Mechanical Properties
Tensile Strength in Mpa580 - 780
Yield Strength in Mpa410 min.
Elongation in %16 min.
Reduction of Area in %25 min.
Hardness in BHN-
Impact in Joule41 J @ RT

Cross Reference Table

Material Standard Country Grade Belong to the Industry
1.6368 EN European Union Steel and Flat
1.6368 DIN Germany Steel and Flat
1.6368 DIN Germany Steel and Flat
15NiCuMoNb5 DIN Germany Steel
15 NiCuMoNb 5 S DIN Germany Steel
1.6369 DIN Germany Steel
15 NiCuMoNb 5 S DIN Germany Steel