ASTM A182 Gr F1

The alloy steel F1 A182 Alloy Steel Flanges is designed for primary shaping into wrought products. Its mentioned qualities are suitable for the annealed state. This material’s ASTM classification is F1, and its UNS number is K12822.

Among wrought alloy steels in the same category, A182 F1 Cl2 Pipe Flanges has the lowest electrical conductivity. Furthermore, it has a low embodied energy and base cost.
A182 F1 material is a forging material specification for F1 grade alloy steel that is used to manufacture bare forgings or forged and machined products for high temperature service applications.
When raised faces and hubs are not required, especially for applications with no or low pressure at ambient temperatures, F1 steel Plate Flange is generally a cost efficient alternative.

ASTM A182 F1 Lap Joint Flanges are a two-piece device that is similar to a weld-neck flange but also to a loose slip-on flange. It is advantageous to swivel around the stub end and pipelining.

ASTM A182 Gr F1 Blind flanges are solid discs used to seal off a pipeline or form a stop. It is similar to a standard flange in that it includes mounting holes around the circumference and the gasket sealing rings are machined into the mating surface.

A182 Gr F1 Threaded flanges, also known as screwed flanges, have a thread inside the flange bore that fits on the pipe with a matching male thread on the pipe.

A182 Grade F1 Socket Weld Flanges were designed to be used on small-size high-pressure pipework. Their static strength is the same as that of Slip On flanges, but their fatigue strength is 50% greater than that of double-welded Slip On flanges.

Slip on SA 182 Gr F1 Flanges are sometimes known as SO flanges. It is a flange that slips over a pipe and has an internal design that is slightly larger than the pipe.

SA182 F1 Forged Flanges are used to connect cylinders, valves, pumps, and other devices in a piping network. Include two distinct pieces of the apparatus. It should be a frame attachment in order to strengthen the construction.


Material Specification Chart for ASTM A182 Grade F1 Flanges

Specifications ASTM A182 / ASME SA182
Size 1/2″ (15 NB) to 48″ (1200NB)
Standards ANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, etc.
Class / Pressure 150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc.
Standard ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, etc.

Chemical Composition Chart for A182 F1 Cl2 Blind Flange

Grade C Mn Si P S Cr Mo
Alloy Steel F1 0.15 max 0.3-0.6 0.5 0.03 0.03 4-6 0.44-0.65

SA 182 Gr F1 Slip on Flange Mechanical Properties Analysis

Tensile Strength Yield Strength (0.2%Offset) Elongation
275 485 20 %

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