304/304L and 316/316L Stainless Steel Pipe Flanges

Warren Alloy maintains a project level inventory of 304/304L and 316/316L stainless steel pipe flanges, commodity and special flanges. Sure we have large quantities of through size 12” 150LB and 300LB flanges but no one beats Warren Alloy when it comes to 600LB, 900LB, 1500LB and 2500LB pressures and size requirements of 14” through 36”.

Warren stocks many flange types such as 160 bore, reducing combinations, orifice flange sets, ring type joint “RTJ”, ductile iron back up angle rings, ductile iron back up flanges, and slip on angle rings in the many material grades as listed.

Our diverse inventory consists of sourcing that is USA domestic, approved manufacturers list (AML) and globally competitively produced products. Whether your requirements are commodity or special, Warren's Got It and we will ship error free today.

Types:	Weld Neck, Slip-On, Socket Weld, Threaded, Blind, Lap Joint, Reducing and Orifice
Sizes:	1/2” through 36”
Class:	Bar Stock, 300, 600, 900, 1500 and 2500
Bores:	5S, 10S, 40S (Std), 80S (XH), 160 and XXH
Faces:	Raised Face and Ring Type Joint
Grades:	304/304L and 316/316L Stainless Steel

Other Grades Available:	317L, Duplex 2205, Alloy 20 (A20), Hastelloy C276, Alloy 600, Aluminum 6061 and Chrome Moly (F11, F5, F9, F22)

304/304L Chemical Composition %

C	Cr	Mn	Ni	P	S	Si
MAX		MAX		MAX	MAX	MAX
0.035	18.0-20.0	2.0	8.0-13.0	0.040	0.030	0.75

316/316L Chemical Composition %

C	Cr	Mn	Mo	Ni	P	S	Si
MAX		MAX			MAX	MAX	MAX
0.035	16.0-20.0	2.00	2.0-3.0	10-15.0	0.040	0.030	0.75

For more information about our products, please contact a representative!

• Stainless Steel Pipe Flanges
• 317L Pipe Flanges
• Duplex 2205 Pipe Flanges
• Alloy 20 (A20) Pipe Flanges
• Hastelloy C276 Pipe Flanges
• Alloy 600 Pipe Flanges
• Aluminum 6061 Pipe Flanges
• Chrome Moly Alloy Pipe Flanges
• A105 Carbon Steel Lap Joint Flanges
• Ductile Iron (DI) Backup Angle Ring
• Ductile Iron (DI) Backup Flanges
• Slip On Angle Rings