Alloy 31 Flange - Alloy 31, 1/2''~60'', Class 150, Slip On, Rf Facing | High Strength, Corrosion Resistant, Reliable Seal, Precise Fit

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;