Alloy 31 Flange

With the support of our expert, our company is dedicated Exporter, Manufacturer and Supplier of Alloy 31 Flange in Zhengzhou, Henan, China.
Flange Type:

WN/welding neck flange;SO/slip on flange;
PL /Plate flange;BL/Blind flange;
Th/Threaded flange;SW/socket welding flange;
LF/SE(lapped flange/stub end);LWN/long welding neck flange;
Orifice flange;Reducing flange;API flange;
Integral/Compact flange;Spectacle blind,
Line spade and spacer,Paddle blind,Paddle spacer;
Orifice plate;Pipe plate,Bleed ring;Plate flange

Standard:
ANSI B16.5,ANSI B16.47,ANSI B16.48, ANSI B16.36, MSS SP-44
Size: 1/2''~60''
Class Rating: 150~2500
Facing: RF(raised face);FF(flat face);RTJ(ring type joint);RJ(ring joint face)
TG(tongue and groove face);MFM(male and female face)
Manufacturing process: Push, Press, Forge, Cast, etc.

Material:

Carbon steel:
ASTM A105;
ASTM A266 GR.1,GR.2,GR.3,GR.4

Stainless steel:
304/SUS304/UNS S30400/1.4301
304L/UNS S30403/1.4306;
304H/UNS S30409/1.4948;
309S/UNS S30908/1.4833
309H/UNS S30909;
310S/UNS S31008/1.4845;
310H/UNS S31009;
316/UNS S31600/1.4401;
316Ti/UNS S31635/1.4571;
316H/UNS S31609/1.4436;
316L/UNS S31603/1.4404;
316LN/UNS S31653;
317/UNS S31700;
317L/UNS S31703/1.4438;
321/UNS S32100/1.4541;
321H/UNS S32109;
347/UNS S34700/1.4550;
347H/UNS S34709/1.4912;
348/UNS S34800;

Alloy steel:
ASTM A694 F42/F46/F48/F50/F52/F56/F60/F65/F70;
ASTM A182 F5a/F5/F9/F11/F12/F22/F91;
ASTM A350 LF1/LF2/LF3;