Are there classifications for forgings made of American standard materials?
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Domestic forgings are classified into I, II, and III categories; do foreign materials have the same classification?
Yes, for pipes it’s A181 grades 60/70, and for pressure vessels it’s A266 grades I-VI
There is a pipe flange made of A182F60; this material is a duplex stainless steel. Is A181 carbon steel a suitable alternative?
F60 corresponds to S32205; how can one rely on A181?
F60 corresponds to S32205; how can one rely on A181?
F60 corresponds to S32205; how can one rely on A181?
It’s clear that A182F60 is used, so just use A182. However, you can refer to A961 for inspection purposes