GOST 12821-80 Pn10 Pn16 Pn25 Pn40 Welding Neck Flanges

• Customization: Available
• Standard: ANSI
• Type: Welding Flange
• Model NO.: GOST12821-80 Flange
• Structure: Flanges
• Connection: Welding
• Sealing Surface: RF
• Manufacturing Way: Forging
• Welding Neck Flanges: GOST 12821-80
• Transport Package: Wooden Case
• Specification: SANS/SABS Flange
• Trademark: C&N
• Origin: China
• HS Code: 7307910
• Production Capacity: 400ton/Month

Product Description

C&N is a  professional manufacturer of steel forged flange in China,
We can produce high quality GOST 12820-80 steel flat welded flanges GOST 12821-80 Welding Neck Flange
 
Flanges 10 GOST 12821-80
Flanges 16 GOST 12821-80
Flanges 25 GOST 12821-80
Flanges 40 GOST 12821-80
Flanges 63 GOST 12821-80
Flanges 100 GOST 12821-80
Flanges 160 GOST 12821-80
 

Flanges	to ANSI B16.5, ANSI B16.36 (Orifice Flanges), ANSI B16.47-a (MSS SP-44), ANSI B16.47-b (API 605), DIN, BS3293 and API 6A/6BX JIS B2220  GOST 12820-80  GOST 12821-80 Flange, GOST 12821-80
Types include	Welding Neck, Slip-On, Blind, Socket Weld, Lap Joint, Screwed, as well as Long Welding Neck, Cover, Swivel, Anchor, Pad and Reducig Flanges
Pressure Classes	ANSI/BS 150# - 2500#, DIN PN6 - PN400, API 5000 psi - 25000 psi  JIS 5k/10k/16k/20K
Facings	Raised Face / Ring Type Joint Flat Face / Full Face Small & Large Male / Female Small & Large Tongue / Groove

 

Material Grades	ASTM / API	DIN
Carbon Steel	A105 A350 LF2, LF3, LF4, LF6 A694 F42 / F52 / F60 / F65 / F70	C21 C22.8 TStE 355 / 420
Alloy Steel	A182 F1, F5, F9, F11/12, F22, F91	15Mo3, 13CrMo44, 10CrMo9-10, X10CrMoVNb9-1
Stainless Steel	A182 F304 (L/H) UNS S30400  A182 F316 (L/H/Ti) UNS S31600 A182 F321 (H) UNS S32100 A182 F347 (H) UNS S34700 A182 F44 6Mo UNS S31254 A182 F51 Duplex UNS S31803 A182 F55 Super Duplex UNS S32750 / UNS S32760	WSt. 1.4301 WSt. 1.4401 WSt. 1.4541 WSt. 1.4550 WSt. 1.4529 WSt. 1.4462 WSt. 1.4501