Flanges

Stratstan carries one of the most comprehensive stocks in the world of flanges in Chrome-Moly and Low-Temp 3˝% Nickel alloys.

Our stock range includes finished RF and RTJ Weld Neck, Blind, Socket Weld & Slip-On flanges.

In addition to finished flanges, we carry a large stock of Forgings & Semi-Finished flanges. This provides us with the resources & flexibility to machine various types & sizes of flange, including “specials” on very short delivery.


Flanges are stocked in accordance with the following specifications and standards:

Material Specifications: ASTM A182 F11, F22, F5, F9 & F91
ASTM A350 LF3

Dimensional Standards: ANSI / ASME B16.5, B16.36 & B16.47

For any enquiries for flanges to the above specifications, or for other alloy materials E-mail us