Material – EN 1.6368

Standard Specification for Seemless Steel Tubes for Pressure Purposes

Group - Ferrous Mild Steel Alloys

Sub Group - EN 1.6368 Seemless Steel Tubes for Pressure Purposes

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

Grade Belongs to the Industry - Steel and Flat

Chemical Composition
CarbonC %0.170 max.
SiliconSi %0.250 - 0.500
ManganeseMn %0.800 - 0.120
PhosphorusP %0.025 max.
SulphurS %0.010 max.
ChromiumCr %0.300 max.
MolybdenumMo %0.250 - 0.500
NickelNi %1.000 - 1.300
NiobiumNb %0.015 - 0.045
AluminiumAl %0.015 min.
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 Mpa400 min.
Elongation in %16 min.
Reduction of Area in %-
Hardness in HB-
Impact in Joule27 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
15NiCuMoNb5 DIN Germany Steel
15 NiCuMoNb 5 S DIN Germany Steel
1.6369 DIN Germany Steel
1.6369 DIN Germany Steel
15 NiCuMoNb 5 S DIN Germany Steel