HF-N Piping manufactures and stocks A105N HF-N Flanges in carbon steel for oil refineries.
Typical Stock Size Range:
Size: 1/2" NB - 60" NB
Class: 150#, 400#, 600#, 900#, 1500#, 2500#
Standards: ASME B16.9, ASTM A961 (S62), SHELL MESC SPE 74/004, Honeywell UOP
Grades: ASTM A105N, ASTM A350 LF2, ASTM A961
Forms: Weldneck, Socketweld, Blind, Slip-on, Lap Joint, Threaded
Also offers reinforced branch outlets and flanges machined from HF-N round bar.
Applications: Onshore, Offshore, Midstream, Power, and Downstream including high temperature/pressure piping. PED and NACE MRO 0103/0175 compliant.
Used by refineries such as UOP, Shell, Aramco, BP, Total, and others.
Email: sales@hfnpiping.com