ASTM A182 Welding Neck Flanges,WN Flanges,ANSI B16.5,Class 600lb

Classify Welding neck flanges as the names : WN flanges, high pressure WN flanges, forged WN flanges, large diameter WN flanges etc..
Classify of WN flanges as the materials: stainless steel welding neck flange,duplex steel welding neck flanges, Q235 Carbon steel welding neck flanges, 20# carbon steel welding neck flanges, 16Mn WN flanges, alloy WN flanges etc..

Applications: welding neck flanges are widely used in metallurgy, machinery, chemical, petroleum, construction, engineering, machine tools, machinery, pressure vessel and other industries.

The sealing surface of welding neck flange: FF, RF, FM-M,T-G, RJ

Standards of flange: 
HG20595-1997, HG20592-2009 HG5014~16-58 (14RF, 15TG, 16MFM), HGJ50~53-91 (50RF, 51MFM, 53RJ) ,JB 82.1~JB82.4-59/94 ,GB9115.1~GB9115.4-2000 GB,GD0508~0509 SH3406-1996 (DN15-1500, PN2.0~42.0Mpa), DIN2627~2638 (2.5Bar~400Bar), HG20617-97, ANSI B16.5 (1/2 "~24", 150Lb~2500Lb), ASME B16.47 (26 "~60", 75Lb~900Lb), JIS B2220-2004 (DN10-600,5K~30K).
Materials: 201.202.301.304.304L.316.316L.321.310S, ASTM A182 F304, F304L, F316, F316L, Q235, A3, A105 
Flange specifications: ANSI B16.5 

Pressure: 1.0-1.6-2.5-4.0-6.3-10.0-16.0-25.0Mpa

Data sheet for Welding Neck Flanges-ANSI B16.5: