Stainless Steel Flanges

Stainless Steel Flanges are used in applications such as the oil and gas industries, food processing industries, ship building industries and others to connect stainless steel pipes together. These flange may be of different types, shapes and of different material grades. the Stainless Steel Forged Flange are stronger than the drawn flange because they are made from one piece of the raw material and have no welded joints.

The SS Pipe Flanges vary in materials grades but the most used materials are the 304, 304L and 304H types. These are very cost effective and have high mechanical properties. Their tensile strengths range from 485 to 515MPa and the yield strengths range from 170 to 205MPa. There are different schedules and pressure classes that indicate the maximum pressure a flange could take. The pn16 stainless steel flanges are intended for high pressure applications.

Stainless Steel Flanges Standards and Specifications
How Stainless Steel Forged Flanges are Manufactured
Quick delivery on various SS Pipe Flanges
Weight Chart of SS Flanges
PN16 Stainless Steel Flanges Working Pressure

It is one of the highest pressure ratings of stainless steel flange. There are different application types such as the Stainless Steel Exhaust Flanges which are used for high temperature, high pressure applications such as exhaust lines. The flange are sometimes used to close a pipeline rather than connecting two pipes. These are called the Stainless Steel Blind Flanges.

Specifications	ASTM A182/ ASME SA182
Size Ranges	From 1/2 inch (i.e. 15 NB) upto 48 inch (i.e. 1200NB)
Standards	ASME \| BS \| DIN \| ANSI \| GOST \| EN Flange
JIS Standards	5 K, 10K, 16K, 20 K, 30K, 40K, 63 K
Pressure Classes	Cl 150, Class 300, Cl. 400, 600, Class 900, Cl 1500 and 2500
EN Standard	6Bar, 10 Bar, 16Bar, 25 Bar, 40Bar

This flange are centrally drilled and tapped hole in a variety of thread forms after that they are screwed on to a screwed pipe or fittings. They don't need to be weld but in some cases like high pressure application they are welded to seal and secure them.

Stainless Steel Blind Flange

SS Lap Joint Flange

Stainless Steel Weld Neck Flanges

Standards	Classes	Dia.	Bolt Circle Diameter	No. of Bolts	Bolts Sizes	Dia. of Bolt Hole
AS4087 Flange	PN14	95	67	4	M12	14
AS 2129 Flange	Table D	95	67	4	13	14
	Table C	95	67	4	13	14
	Table F	95	67	4	13	14
	Table E	95	67	4	13	14
	Table J	114	83	4	16	17
	Table H	114	83	4	16	17
ANSI B16.5 Flange	ANSI 150	89	60	4	13	16
	ANSI 300	95	67	4	13	16
	ANSI 600	95	67	4	13	16
	ANSI 900	121	83	4	19	22
	ANSI 1500	121	83	4	19	22
ISO 7005 (DIN) Flange	PN6	80	55	4	M10	11
	PN10	95	65	4	M12	14
	PN16	95	65	4	M12	14
	PN20	90	60.5	4	M14	16
	PN25	95	65	4	M12	14
	PN40	95	65	4	M12	14

Standard	Flange Types	Pressure Classes	Size Range
ASME/ANSI B16.5	Blind, Weld Neck, Slip-on, Socket Weld, Threaded and Lap Joint Flange	150 to 2500LBS 150 to 1500LBS	26" to 60" 26" to 48"

Stainless Steel Flanges