Material ‐ BS 10216 ‐ 2 EN 1.7335

Standard Specification for Seemless Steel Tubes for Pressure Purposes

Group - Ferrous Mild Steel Alloys

Sub Group - BS 10216 ‐ 2 Seemless Steel Tubes for Pressure Purposes

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

Grade Belongs to the Industry - Steel and Tube

Chemical Composition
CarbonC %0.100 ‐ 0.170
SiliconSi %0.350 max.
ManganeseMn %0.400 ‐ 0.700
PhosphorusP %0.025 max.
SulphurS %0.020 max.
ChromiumCr %0.700 ‐ 1.150
NickelNi %0.300 max.
MolybdenumMo %0.400 ‐ 0.600
AluminiumAl %0.040 max.
CopperCu %0.300 max.
IronFe %Balance
Heat Treatment
Normalising + Tempering
Mechanical Properties
Tensile Strength in Mpa440 ‐ 590
Yield Strength in Mpa290 min.
Elongation in %20 min.
Reduction of Area in %
Hardness in BHN
Impact in Joule27 min. @ RT

Cross Reference Table

Material Standard Country Grade Belong to the Industry
J12072 UNS USA Casting
SA ‐ 217 Grade WC6 ASME USA Casting
G 17 CrMo 5 ‐ 5 AFNOR NF France Casting
A426 Grade CP11 ASTM USA Steel
621 BS British Plate
G S 17 CrMo 5 ‐ 5 DIN Germany Casting
A S 17 CrMo 5 ‐ 5 EN European Union Casting