Material ‐ BS 10216 ‐ 5 EN X6CrNiMoTi17 ‐ 12 ‐ 2

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 %0.080 max.
SiliconSi %1.000 max.
ManganeseMn %2.000 max.
PhosphorusP %0.040 max.
SulphurS %0.015 max.
ChromiumCr %16.500 ‐ 18.500
NickelNi %10.500 ‐ 13.500
MolybdenumMo %2.000 ‐ 2.500
TitaniumTi %5*C ‐ 0.700
IronFe %Balance
Heat Treatment
Solution Annealing
Mechanical Properties
Tensile Strength in Mpa500 ‐ 730
Yield Strength in Mpa210 min.
Elongation in %30 min.
Reduction of Area in %
Hardness in BHN
Impact in Joule60 min. @ ‐ 196 ̊ C

Cross Reference Table

Material Standard Country Grade Belong to the Industry
1.4571 BS British Steel
1.4571 DIN Germany Steel
X6CrNiMoTi17 ‐ 12 ‐ 2 AFNOR NF France Steel, Bar and Rod
320 S 18 BS British Wire
X6CrNiMoTi17 12 2 DIN Germany Steel
10Ch17N13M2T GOST Russia Steel
X6CrNiMoTi17 12 UNI Italy Steel, Sheet, Plate and Strip and Coil