GOST (Государственный стандарт) refers to a set of technical standards originally developed under Soviet authority, now maintained by the Euro-Asian Council for Standardization (EASC) Wikipedia. Among these are specific flange standards used across the CIS and relevant industries.
Material for Gost flanges
Flanges made from GOST 09G2S steel are commonly used in low-temperature and structural pipeline application
Pressure Classes: Typically PN 6, 10, 16, 25, 40, 63, 100, 160, 250.
Sizes: DN 10 to DN 1200+
Types: Flat, weld neck, blind, threaded, lap joint, etc.
Gost 33259 09Г2С FLANGES 09G2S Read More »
10Х17Н13М2Т (also written as 10Kh17N13M2T) is a Russian (GOST) stainless steel grade. It is the equivalent of AISI 316Ti, which is a titanium-stabilized version of AISI 316
Flange Standards:
GOST 33259
EN 1092-1
ASME B16.5 / B16.47
Types: Weld Neck, Slip-On, Blind, Lap Joint, Socket Weld, Threaded
Gost 33259 10X17H13M2T AISI 316Ti 1.4571 Flange Read More »
GOST 33259 Flange
Material: 06Х28МДТ (Russian grade) – AISI 904L / UNS N08904 equivalent
Type: Weld Neck, Slip-On, Blind, Lap Joint, Socket Weld (Type 01–06)
Pressure Rating: PN 10 / PN 16 / PN 25 / PN 40 / PN 63
Standard: GOST 33259-2015
GOST 33259 06Х28МДТ AISI 904L flange Read More »
Ct 20 is known as a low-carbon, non-alloy structural steel accoriding to Gost standard,used widely in the production of pipes, fittings, machinery parts, and pressure vessels. It is also called St 20, It’s known for its good ductility, weldability, and machinability, making it ideal for both mechanical and pipeline applications.
Gost Flange Standards:
GOST 12820-80 – Flat flanges (plain)
GOST 12821-80 – Weld neck flanges
GOST 12822-80 – Loose flanges
GOST 12815-80 – General flange connection requirements
Ct20 Gost Carbon Steel Weld neck Flange Read More »
GOST 12821-80 is a Russian standard that defines the dimensions and technical requirements for steel butt-welded flanges used in high-pressure piping systems.
Pressure ratings:
PN 0.6 to PN 20.0 MPa (6 to 200 kgf/cm²)
Nominal diameter (DN):
Typically DN 10 to DN 1600
GOST 12821-80 Steel butt welded flange,weld neck flanges Read More »
Manufacturer of GOST 12820-80 Flat flange for pipes
GOST 12820-80 is a russian standard for flange,Steel Flat Flanges for Welded Connections. Types and Basic Dimensions
Pressure ratings:
PN 0.6 MPa to 2.5 MPa (6 to 25 kgf/cm²)
Ranges from DN 10 to DN 1600 (and sometimes larger)
GOST 12820-80 Steel Plate Flanges Flat flange for pipes Read More »
Manufacuturer of GOST 12836-67 BLIND FLANGE
GOST 12836-67 is a Russian national standard that specifies the design and dimensions of blind flanges for pipeline systems.
blind flanges also called steel plug in Russia,which is used to Seals off the end of a pipe, valve, or vessel, preventing the flow of fluids (liquids or gases) or providing a barrier in a system.
GOST 12836-67 BLIND FLANGE Steel plug Read More »
ATK 26-18-5-93 is a gost standard,specifies the Steel spectacle blinds for fitting flanges. Design, dimensions and technical requirements.
The specification that determines the dimensions of a spectacle blinds is ATK 26-18-5-93 Line Blanks.
Material: CT 20, 09G2S,12X18H10T, 08X18H10T, 13XFA, 15X5M, 10X17H13M2T, 06XH28MDT, etc.
ATK 26-18-5-93 Steel spectacle blinds Flanges Rotary steel plug Read More »
Manufacturer of АТК 26-18-12-96 Thread flanges,
АТК 26-18-12-96 is the gost standard which specifies the Threaded flanges for installation of thermometers, manometers and other measuring devices for corrosive media on Ru from 4.0 to 16.0 MPa. Design and dimensions
АТK 26-18-12-96 Thread Flanges Read More »
GOST 28759.2-90 is a Russian standard,which specifies the steel flat welded flanges of vessels and apparatus. Design and dimensions;
Material for GOST 28759.2-90 flanges
Carbon steel :СТ20; СТ.3, 09Т2С
Stainless steel:12Х18Н10Т; 10Х17Н13М2Т,ASTM A182 F304L, F316/316L, F316H, F310, F321 F44
Alloy steel:ASTM A182 F1, F5a, F9, F11, F12, F22, F91,15Х5М
GOST 28759.2-90 Flanges for vessels and devices Read More »