API flanges

Pipe Fitting

Specification and Size Range

Flanges Specification: ASME/ANSI.

Grades: Carbon Steel ASTM A105, Low Temp Steel SA 350 LF2, High Yield Steel ASTM F694 – F50, F52, F60, F65.

Alloy Steel AISI 4130 Standards: ASME/ANSI B16.5

Stainless Steel 304/304L, 316/316L Standards: A182/A182M

 

Size in Inch

Pressure Class

Flange type

½” to 24”

#150

Slip on, Weld Neck, Blind, Socket weld, Thread.

½” to 24”

#300

Slip on, Weld Neck, Blind, Socket weld, Thread.

½” to 16”

#600

Slip on, Weld Neck, Blind, Socket weld, Thread.

½” to 12”

#900

Weld Neck & Blind

½” to 8”

#1500

Weld Neck & Blind