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Weir Materials and Foundries Duplex and Super Duplex Stainless Steels
Weir Materials and Foundries
The following table details the material specification and applications of the various grades of duplex and super duplex stainless steels produced by Weir Materials and Foundries.
CAST STEELS APPLICATIONS
TYPE MATERIAL SPECIFICATION GRADES REGULARLY CAST General Pressures Corrosion Resistance High Strength Low Temperature Aged Condition
DUPLEX STAINLESS ZERON 25 PREN=35+ (Standard)  
ZERON 25 AGE HARDENED (Special)        
ZERON 25 CONTROLLED CARBON (Special)  
ZERON 25 BESPOKE SPECIALS TO CUSTOMER SPECIFICATIONS  
UNS 31803 CAST EQUIVALENT PLUS SPECIAL OR MODIFIED VERSIONS  
ASTM A351 CD4MCu STANDARD AND MODIFIED VERSIONS    
ASTM A890 / A995 4A (UNS J92205)    
SUPER DUPLEX STAINLESS ZERON 100 UNS J93380 (Standard)  
ZERON 100 BESPOKE SPECIALS TO CUSTOMER REQUIREMENTS  
ZERON 100 AGE HARDENED      
UNS S32760 CAST EQUIVALENT PLUS SPECIAL OR MODIFIED VERSIONS  
ASTM A890 / A995 5A (UNS J93404)