Insider Reports

QUICK Sign-up

New Content Updates
Educational Webcast Alerts
Building Products/Technology Notices
Access Exclusive Member Content

All fields are required.

ANSI B16.5 ASTM A182 F51 Welded Neck Flange DN200 SCH 80 from

Green Certifications: Green Seal

Type: Welded Neck Flange
Material: ASTM A182 F51
Wall Thickness: SCH 80
Class Rating: PN150
Size: DN200 (8 Inch)
Standard: ANSI B16.5

Chemical Composition For F51
Steel Grade Chemical Composition
C(Max) Si(Max) Mn(Max) P(Max) S(Max) Ni Cr Mo

F51(2205) 0.03 1.00 2.00 0.03 0.02 4.5–6.5 21.0–23.0 2.5–3.5


A flange is a rib or rim used for strength, guiding or attachment to another object such as a pipe,steam cylinder,pressure vessel,etc.Pipes,tubes or vessels can be easily assembled or disassembled by using it. Besides,flanges are fit to many other compenonts,such as valves,wheels,bellows.

China Flange Manufacturer supplies Weld Neck Flanges (WN), Long Welding Neck Flanges (LWN), Lap Joint Flanges (LJ), Blind Flanges / Blank Flanges (BL), Slip On Flanges (SO), Thread Flanges (THR), Socket Weld Flanges (SW), Reducing Flanges, Orifice Flanges, Anchor Flanges, Spectacle Blind Flanges (Figue 8), Spacer Ring/Spade Flanges etc…