according to Chemical industry standards: The overall flange (IF), threaded flange (TH), plate flat welding flange (PL)...

Recently order to Netherlands had inspected by SGS.

A carbon steel butt weld flange refers to a flange with a neck that is butt welded to the pipe.

Flange is abbreviated as flange, which is just a general term.

Carbon steel mainly refers to steel whose mass fraction of carbon is less than 2.11% and does not contain specially added alloy elements.

AIGUO Forging manufacture a batch of Slip-on flanges for Client from Brazil. All the flanges were covered by black paint.