Stainless steel strip for flapper valves

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United States of America Patent

PATENT NO 9890436
SERIAL NO

15102217

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Abstract

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A cold rolled and hardened martensitic austenitic stainless steel strip for flapper valves in compressors is made from steel combining, in weight %(wt. %), the following elements: C: 0.3-0.5, Si: 0.2-0.8, Mn: 0.2-1.0, Cr: 12.0-15.0, Mo: 0.50-2.00, N: 0.02-0.15, and V: 0.01-0.20. The steel strip has a matrix consisting of tempered martensite and between 5 and 15 volume % austenite and a tensile strength (Rm) of 1970-2300 MPa. The steel strip has a thickness of 0.07-3 mm and a width of ≦500 mm.

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Patent Owner(s)

Patent OwnerAddress
VOESTALPINE PRECISION STRIP ABPO BOX 503 MUNKFORS S-684 28

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Lof, Alexander Karlstad, SE 1 0
Millward, Chris Forshaga, SE 4 13
Nawaz, Azhar Forshaga, SE 1 0

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