Material ‐ BS 10216 ‐ 5 EN X7CrNiTi18 ‐ 10

Standard Specification for Seemless Steel Tubes for Pressure Purposes

Group - Ferrous Stainless Steel Alloys

Sub Group - BS 10216 ‐ 5 Seemless Steel Tubes for Pressure Purposes

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

Grade Belongs to the Industry - Tube

Chemical Composition
CarbonC %0.040 ‐ 0.080
SiliconSi %1.000 max.
ManganeseMn %2.000 max.
PhosphorusP %0.040 max.
SulphurS %0.015 max.
ChromiumCr %17.000 ‐ 19.000
NickelNi %9.000 ‐ 13.000
NitrogenN %0.110 max.
TitaniumTi %5*(C+N) ‐ 0.800
IronFe %Balance
Heat Treatment
Solution Annealing
Mechanical Properties
Tensile Strength in Mpa510 ‐ 710
Yield Strength in Mpa190 min.
Elongation in %30 min.
Reduction of Area in %
Hardness in BHN
Impact in Joule60 min. @ RT

Cross Reference Table

Material Standard Country Grade Belong to the Industry
1.494 BS British Steel
1.494 DIN Germany Steel
08Ch18N10 GOST Russia Casting
321 SAE USA Steel
1.4541 DIN Germany Steel
1.4541 BS British Steel
04Ch18N10 GOST Russia Steel