API K-55 equivalent
API K-55 equivalent
(OP)
Hi all,
Does anyone know the equivalent material for API K-55 and TN-55.
Thanks
Does anyone know the equivalent material for API K-55 and TN-55.
Thanks
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RE: API K-55 equivalent
If you want to know what steel grade would be equivalent, you're out of luck. The chemical analysis requirements for K-55 are very broad. While, generally most mills will use a low-carbon manganese steel, I've seen 4130 used.
RE: API K-55 equivalent