This Duplex grade offers excellent corrosion resistance and improved mechanical strength.
Good general resistance to corrosion (comparable to 304L at elevated temperature and to 316L at room temperature), improved mechanical strength, service temperature range of -50°C to 300°C, improved stress corrosion resistance compared to 304.
Applications
Construction (crash barriers & footbridges)
Drinking water systems
Desalination systems
Pulp and paper industry (tanks, cladding used in paper machines)
Oil tanks
Juice tanks
Automotive structures
Domestic water heaters
Norms
ASTM 22-02
UNS S32202
EN 1.4062
IMDS ID 369157490
Chemical Composition
Typical values
C=0.020
Mn=1.30
Cr=23.00
Ni=2.50
Mo=0.30
N=0.21
Surface aspects
Hot rolled & Cold rolled