Material – EN 1.4580

Standard Specification for Seemless Steel Tubes for Pressure Purposes

Group - Ferrous Stainless Steel Alloys

Sub Group - EN 1.4580 Seemless Steel Tubes for Pressure Purposes

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

Grade Belongs to the Industry - Steel, Sheet, Plate and Strip

Chemical Composition
CarbonC %0.080 max.
SiliconSi %1.000 max.
ManganeseMn %2.000 max.
PhosphorusP %0.040 max.
SulphurS %0.015 max.
ChromiumCr %16.500 - 18.500
MolybdenumMo %2.000 - 2.500
NickelNi %10.500 - 13.500
NiobiumNb %1.000 max.
IronFe %Balance
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Heat Treatment
Solution Annealing
Mechanical Properties
Tensile Strength in Mpa510 - 740
Yield Strength in Mpa215 min.
Elongation in %30 min.
Reduction of Area in %-
Hardness in HB230 max.
Impact in Joule60 J @ RT

Cross Reference Table

Material Standard Country Grade Belong to the Industry
10216-5 BS British Tube
1.458 DIN Germany Steel, Sheet, Plate and Strip
X6CrNiMoNb17 12 2 DIN Germany Steel, Sheet, Plate and Strip
X6CrNiMoNb17 12 2 UNE Spain Steel, Bar, Wire, Rod and Forging
X6CrNiMoNb17 12 2 KKW ONORM Australia Steel
X6CrNiMoNb17-12-2 AFNOR NF France Steel, Bar and Rods
318 S 17 BS British Steel and Wire