Material – BS 301 S 21

Standard Specification for Chromium and Chromium-Nickel Stainless Steel Plate,Sheet and Strip for Pressure Vessels and for General Applications

Group - Ferrous Stainless Steel Alloys

Sub Group - BS 301 S 21Chromium and Chromium-Nickel Stainless Steel for Pressure Vessels and for General

Applications

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

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

Chemical Composition
CarbonC %0.150 max.
SiliconSi %0.200 - 1.000
ManganeseMn %0.500 - 2.000
PhosphorusP %0.045 max.
SulphurS %0.030 max.
ChromiumCr %16.000 - 18.000
NickelNi %6.000 - 8.000
IronFe %Balance
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Heat Treatment
Solution Annealing
Mechanical Properties
Tensile Strength in Mpa540 min.
Yield Strength in Mpa215 min.
Elongation in %40 min.
Reduction of Area in %-
Hardness in HB220 max.
Impact in Joule-

Cross Reference Table

Material Standard Country Grade Belong to the Industry
A240 UNS S30100 ASTM USA Steel, Plate, Sheet and Strip
301 AISI USA Steel, Sheet, Bar and Strip
301 SAE USA Steel
STS 301 KS Korea Steel, Plate, Sheet and Strip
S30100 UNS USA Steel
301 AS Australia Steel, Plate, Sheet and Strip
S30103 UNS USA Steel