Material – EN 1.4959

Standard Specification for Seemless Steel Tubes for Pressure Purposes

Group - Ferrous Stainless Steel Alloys

Sub Group - EN 1.4959 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 %0.050 - 0.100
SiliconSi %0.700 max.
ManganeseMn %1.500 max.
PhosphorusP %0.015 max.
SulphurS %0.010 max.
ChromiumCr %19.000 - 22.000
NickelNi %30.000 - 34.000
TitaniumTi %0.250 - 0.650
AluminiumAl %0.250 - 0.650
CopperCu %0.500 max.
IronFe %Balance
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Heat Treatment
Solution Annealing
Mechanical Properties
Tensile Strength in Mpa500 - 750
Yield Strength in Mpa170 min.
Elongation in %30 min.
Reduction of Area in %-
Hardness in BHN-
Impact in Joule80 J @ RT

Cross Reference Table

Material Standard Country Grade Belong to the Industry
10216-5 EN 1.4958(+RA) BS British Tube
1.4958 DIN Germany Steel
1.4958 EN European Union Steel
1.4958 DIN Germany Steel
X5NiCrAlTi31 20 EN European Union Steel and Flat
X5NiCrAlTi31 20 DIN Germany Steel and Flat
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