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Stress corrosion cracking is always a potential problem where high mechanical stress and severely corrosive conditions are both present. However, Ferralium 255 is a good material choice due to its higher strength and duplex microstructure.
These FERRALIUM 255 alloy forgings, seen being tolerance checked between machining operations at Langley, are 24” in diameter with sections of up to 5 ½ “, weigh approximately 400 lb each, and after fine balancing, will operate at 15,00rpm. They will be used in compressors handling hot gases containing hydrogen disulphide and sulphur dioxide in an overseas Petro-chemical complex. Because of FERRALIUM 255 (UNS S32550, Alloy 255, DIN 1.4507, ASTM F61) particularly high resistance to stress corrosion cracking it was chosen to replace failed sets of forgings made in ordinary ferritic stainless steel.
If you’d like more information regarding Ferralium 255, please get in touch with a member our expert team today.
Worldwide Delivery Available
We can offer air, sea and road freight shipping options, with choice of packaging, to deliver to customers globally.
Inventory Management
Let us manage your total material requirements with call-off and consignment arrangements.
Up to 40 sizes per alloy available
More sizes equal less machining and a more cost-effective supply chain.
