ГОСТ 12821-80 SOFF, ГОСТ 12821-80 Weld Neck Flange, GOST / ГОСТ 12821-80 BLFF, ГОСТ 12821-80 Pipe Flange, GOST / ГОСТ 12821-80 Flange, GOST 12821-80 Socket Weld Flanges, GOST / ГОСТ 12821-80 Lap Joint Flange, GOST 12821-80 Blind Flanges, GOST / ГОСТ 12821-80 Reducing Flanges, GOST 12821-80 SS Plate Flange, GOST / ГОСТ 12821-80 Orifice Flanges, GOST / ГОСТ 12821-80 Slip On Flanges, Standard GOST / ГОСТ 12821-80 Industrial Flanges Manufacturer in Mumbai, India.

Ready Stock of GOST 12821-80 Flange, Nickel Alloy GOST 12821-80 Flanges Trader, SS GOST 12821-80 Flanges, Competitive Price of ГОСТ 12821-80 Flanges, Largest Stockholder of GOST / ГОСТ 12821-80 Flanges in India, Inconel GOST / ГОСТ 12821-80 Flange, Stainless Steel ГОСТ 12821-80 Flanges, Monel ГОСТ 12821-80 Flanges, GOST / ГОСТ 12821-80 Flanges Manufacturers in Mumbai, India.

Kalikund Steel & Engg. Co is a leading manufacturer, supplier, and stockiest of superior quality GOST / ГОСТ 12821-80 Flange. These flanges have a wall thickness of the same dimension as that of matching pipes. We follow all the national and international quality standards while developing these flanges. The raw material is selected in accordance with set material standards and tested appropriately before the use. Our GOST / ГОСТ 12821-80 Flange has excellent resistance against corrosion and oxidation in corrosive environments. We are offering these flanges that meet the exact requirements of many industries like automobiles, pipelines, railways, and heavy engineering applications. We are providing the flanges in standard as well as in customized sizes and dimensions as per the requirements of our customers. Due to higher efficiency and toughness, our GOST / ГОСТ 12821-80 Flanges can sustain in higher pressure and temperature easily.

Kalikund Steel & Engg. Co is offering a wide range of GOST / ГОСТ 12821-80 Flange in a variety of sizes, wall thickness, standards, and types as per the needs of the industrial market. Our flanges are highly in demand due to their unique quality features such as excellent strength, rugged structure, superior finish, longer service life, higher resistance to corrosion, and easy fabricability properties. Due to these properties, our offered range of flanges is highly appreciated by our domestic as well as global clients. We are offering these unique qualities GOST / ГОСТ 12821-80 Flange at very affordable rates. Our flanges provide excellent resistance to pitting, stress corrosion in chloride solutions, and crevice cracking. Our professionals and manufacturers are using innovative technologies to fabricate flanges. Moreover, the flanges are manufactured as per the international manufacturing norms using advanced machinery in our highly equipped manufacturing unit.

GOST / ГОСТ 12821-80 Flange

High Quality GOST / ГОСТ 12821-80 Flanges Dealer, High Pressure GOST / ГОСТ 12821-80 Duplex Steel Flanges, Buy Austenitic Stainless Steel GOST / ГОСТ 12821-80 Flanges, Incoloy GOST 12821-80 Flanges Wholesaler, Alloy 20 ГОСТ 12821-80 Flanges, ГОСТ 12821-80 Flanges Stockist, Cupro Nickel GOST 12821-80 Flanges, Hastelloy ГОСТ 12821-80 Flanges, GOST / ГОСТ 12821-80 Flanges Supplier in Mumbai, India.

At Kalikund Steel & Engg. Co, our quality experts, ensure that each GOST / ГОСТ 12821-80 Flange through several destructive and non-destructive quality checks. This ensures accuracy and high performance of flanges throughout the manufacturing process. Each step is monitored from material selection to final product delivery by our experts. Also, we arrange the third party inspections of GOST / ГОСТ 12821-80 Flanges by different agencies if demanded by our customers. Our company fulfills the urgent requirements as we store the considerable stock of these flanges.

After the manufacturing and testing process, our packaging team pack the fault-free GOST / ГОСТ 12821-80 Flanges using adequate material and offer on-time and damage-free delivery to our esteem customers.


Largest Inventory
Customer Support
On Time Deliveries
ISO 9001 : 2015 Certified

GOST / ГОСТ 12821-80 Flange Specification

Specifications GOST / ГОСТ 12821-80 Flanges
GOST / ГОСТ 12821-80 Flange size range 1/2" (15 NB) to 48" (1200NB) DN10~DN5000
Main Types Forged / Threaded / Screwed / Plate
Flange supporting material Gasket, Ring Joint, Flange Bolts
Production technique Forged, Heat treated and machined
Special design

As per your drawing

AS, ANSI, BS, DIN and JIS
15 NB (1/2") to 200 NB (8")
Equal and Reducing Configurations

JIS Threaded Flange, Socketweld Flange, Slip-On Flange, Blind Flange, Weld Neck Flange

Specialized manufacturer of DIN 2566 en 1092 1
Pn16 Flange
DIN 2566 pn16
Rtj Flange
GOST / ГОСТ 12821-80 Sorf Flange
GOST / ГОСТ 12821-80 Table Flanges
DIN 2566 pn10
GOST / ГОСТ 12821-80 Large Diameter Flange
GOST / ГОСТ 12821-80 Threaded Flanges
GOST / ГОСТ 12821-80 Blind Flanges
GOST / ГОСТ 12821-80 Plate Flanges
GOST / ГОСТ 12821-80 Weld Neck Flanges
GOST / ГОСТ 12821-80 Loose Flanges
GOST / ГОСТ 12821-80 Orifice Flanges
GOST / ГОСТ 12821-80 Slip-On Flanges
GOST / ГОСТ 12821-80 Lap Joint Flanges
GOST / ГОСТ 12821-80 Socketweld Flanges
GOST / ГОСТ 12821-80 AS 4087 Water Flanges
Test Hydrostatic testing machine, Direct-reading Spectrograph,UI trasonic flaw detector, X-ray detector, Magnetic particle detector
Equipment Bending machine, Press machine, electric bevelling machine, Pushing Machine, Sand-blasting machine etc
Origin West Europe /Indian / USA / Japan / Korean
Key markets and industries for GOST / ГОСТ 12821-80 Flange Nuclear power (mostly seamless).
Heavy oil refineries.
Bitumen upgraders.
Petrochemicals and acids.
Export to Indonesia, Ireland, Ukraine, Singapore,Saudi Arabia,Canada, Peru, Dubai, Brazil, Iran, Korea, USA, India, Egypt, Thailand, Spain, Oman etc
GOST / ГОСТ 12821-80 Flanges Application To Connect Pipe & Tubes in Power, Petroleum,Construction, Chemical, Gas, Shipbuilding,Metallurgy, etc
Material Test Certificates (MTC) as per EN 10204 3.1 and EN 10204 3.2, Test Certificates certifying NACE MR0103, NACE MR0175

GOST / ГОСТ 12821-80 Flanges can be supplied in either Pipe or Plate construction and are covered by specification

GOST / ГОСТ 12821-80 Flange Forms & Availability

Forged and Plate Flanges

Products Size
GOST / ГОСТ 12821-80 Slip-On Flanges GOST / ГОСТ 12821-80 Threaded Flanges Sizes 1/8″ – 36″
Raised Face or Flat Face
GOST / ГОСТ 12821-80 Weld Neck Flanges GOST / ГОСТ 12821-80 Socket Weld Flanges
GOST / ГОСТ 12821-80 Blind Flanges GOST / ГОСТ 12821-80 Reducing Flanges
GOST / ГОСТ 12821-80 Lap Joint Flanges GOST / ГОСТ 12821-80 Plate Flanges
GOST / ГОСТ 12821-80 Orifice Flanges GOST / ГОСТ 12821-80 Forged Flanges
GOST / ГОСТ 12821-80 Ring Type Joint Flanges GOST / ГОСТ 12821-80 Square Flanges

GOST / ГОСТ 12821-80 Flange has the following advantages :
  • Raw material cutting: band saw
  • Open / Close Die Forging & Rolling: Hammer / Press / Ring Rolling
  • Machining: CNC lathes/SPM lathes
  • Bolt Hole drilling: High speed CNC Vertical Machining Center
  • Heat treatment: Solution Annealing (batch annealing furnaces)
Some of Our Specialities that make us a profitable Business Partber for our clients are :
  • Customer focused approach
  • Superior quality products
  • Timely deliverices
  • Customize Size & Specification
  • Competitive Pricing
Kalikund Steel
Stock Availability of GOST / ГОСТ 12821-80 Flanges
Preview Products UNS DIN
SS GOST / ГОСТ 12821-80  Flange Stainless Steel GOST / ГОСТ 12821-80 Flanges UNS S30400, S30403, S31600, S31603 GOST / ГОСТ 12821-80 Flange 1.4301, 1.4306, 1.4401, 1.4404 GOST / ГОСТ 12821-80 Flange
Duplex and Super Duplex GOST / ГОСТ 12821-80 Flange Duplex / Super Duplex Steel GOST / ГОСТ 12821-80 Flanges UNS S31803, S32205, SAF-2205, S32750, S32760, SAF-2507 GOST / ГОСТ 12821-80 Flange 1.4462, 1.4410 GOST / ГОСТ 12821-80 Flange
Cu-Ni GOST / ГОСТ 12821-80 Flange Copper Nickel GOST / ГОСТ 12821-80 Flanges UNS C70600, C71500 GOST / ГОСТ 12821-80 Flange 2.0872, 2.0882 GOST / ГОСТ 12821-80 Flange
Alloy Steel GOST / ГОСТ 12821-80 Flange Alloy Steel GOST / ГОСТ 12821-80 Flanges UNS K41545, K90941, K11597, K21590 GOST / ГОСТ 12821-80 Flange 1.7362, 1.7386, 1.7335, 1.7380 GOST / ГОСТ 12821-80 Flange
Kalikund Steel
GOST / ГОСТ 12821-80 Flange Production Range
Stainless Steel GOST / ГОСТ 12821-80 Flange
High Nickel Alloy GOST / ГОСТ 12821-80 Flange
Carbon Steel GOST / ГОСТ 12821-80 Flange
GOST 12821-80 Flange PN0.6MPa
Conditional pass Dy d1 b h4 Dm Dn Масса, кг
a coupling protrusion a protrusion Recessed with spike with pazom
10 8 10 27 22 15 0,34 0,34 0,32 0,34 0,33
15 12 28 28 19 0,40 0,40 0,38 0,40 0,40
20 18 30 36 26 0,53 0,53 0,50 0,53 0,52
25 25 12 42 33 0,76 0,77 0,72 0,75 0,75
32 31 33 50 39 1,10 1,08 1,04 1,08 1,08
40 38 35 60 46 1,36 1,37 1,28 1,30 1,34
50 49 70 58 1,53 1,51 1,44 1,46 1,47
65 66 88 77 1,97 2,06 1,83 1,72 1,75
80 78 13 37 102 90 2,76 2,76 2,80 2,65 2,72
100 96 38 122 110 3,35 3,04 3,03 3,03 3,04
125 121 15 40 148 135 4,66 4,24 3,66 4,50 4,55
150 146 43 172 161 5,37 5,85 4,93 5,29 5,35
(175) 177 17 47 210 196 7,32 8,10 6,92 7,11 7,16
200 202 50 235 222 8,37 9,35 7,75 7,98 8,05
(225) 226 260 248 9,45 9,25 8,72 8,98 9,06
250 254 18 288 278 10,99 10,69 10,14 12,20 12,30
300 303 340 330 14,82 14,28 14,10 13,81 14,11
350 351 390 382 17,69 18,65 17,64 16,35 16,72
400 398 440 432 20,55 19,69 19,30 18,83 19,31
(450) 450 494 484 23,63 23,60 21,90 21,62 22,24
500 501 19 545 535 26,63 29,10 25,90 24,44 25,10
600 602 55 650 636 35,79 35,60 33,40 37,49 33,67
(700) 692 740 726 44,31 44,10 41,10 40,60 41,86
800 792 60 844 826 56,17 55,20 52,20 51,67 53,36
(900) 892 21 944 926 66,79 - - - -
1000 992 1044 1028 73,51
1200 1192 23 70 1248 1228 111,43
1400 1392 27 85 1456 1428 156,58
1600 1592 32 95 1660 1628 218,57
Kalikund Steel
Price List of GOST / ГОСТ 12821-80 Flanges

Prices for GOST / ГОСТ 12821-80 Flange Products are very affordable.
Please click on the request a quote button or click here to request the updated price list and ready stock information along with your requirement. KALIKUND STEEL & ENGG. CO. maintains a stock of all standard items and can export them at the best price GOST / ГОСТ 12821-80 Flange etc.


GOST / ГОСТ 12821-80 Flanges Ready Stock in India
Stainless Steel GOST / ГОСТ 12821-80 Forged Flanges 200 Nickel Alloy GOST / ГОСТ 12821-80 Blind Flanges
High Nickel Alloy ГОСТ 12821-80 Reducing Flanges UNS S30400 GOST 12821-80 Orifice Flanges
Alloy Steel GOST / ГОСТ 12821-80 Socket Weld Flanges 316L Stainless Steel ГОСТ 12821-80 Slip On Flanges
ASTM A182 F304L GOST 12821-80 Flat Flanges ASTM A350 LF2 GOST / ГОСТ 12821-80 Lapped Joint Flanges
ASTM A105 CS GOST / ГОСТ 12821-80 SWRF Flanges Supplier Alloy Steel F5 ГОСТ 12821-80 Square Flanges
Stainless Steel GOST / ГОСТ 12821-80 Threaded Flanges GOST / ГОСТ 12821-80 Flanges Supplier
GOST / ГОСТ 12821-80 SOFF Flanges Stainless Steel S31603 ГОСТ 12821-80 Flanges Dealer
Stainless Steel 317 GOST / ГОСТ 12821-80 BLFF Flange Industrial GOST 12821-80 Flanges Manufacturer
Monel 400 GOST / ГОСТ 12821-80 Flanges UNS K41545 ГОСТ 12821-80 Weld Neck Flanges Series A or B
Chrome Moly F11 GOST / ГОСТ 12821-80 WNRF Flanges Inconel 600 ГОСТ 12821-80 Expander Flanges Stockists
SS GOST / ГОСТ 12821-80 High Hub Blinds Flanges 1.4307 SS GOST / ГОСТ 12821-80 Flanges Exporter
Incoloy 800H GOST / ГОСТ 12821-80 Spectacle Blinds Flanges ASTM A350 CS LF2 GOST / ГОСТ 12821-80 Loose Flanges
Titanium Grade 2 ГОСТ 12821-80 RTJ Flanges Ti 3.7035 GOST 12821-80 Screwed Flanges
904L Stainless Steel GOST 12821-80 Weld Neck Flanges Cupro Nickel 90-10 ГОСТ 12821-80 Flanges Facing Type & Finish
UNS C70600 GOST / ГОСТ 12821-80 SORF Flanges SS GOST / ГОСТ 12821-80 Groove & Tongue Flanges
Incoloy® alloy 20 GOST / ГОСТ 12821-80 Long Neck Weld Flanges SS SMO 254 GOST 12821-80 Spades Ring Spacers Flanges
Wrought Austenitic Stainless Steel GOST 12821-80 Flanges Duplex steel 2205 ГОСТ 12821-80 Ring Type Joint Flanges
GOST / ГОСТ 12821-80 Flange Supplier in Mumbai GOST / ГОСТ 12821-80 Flanges Manufacturer in India
Super Duplex GOST / ГОСТ 12821-80 Flange Dimensions Duplex Steel GOST / ГОСТ 12821-80 Weldo / Nipo Flanges
GOST / ГОСТ 12821-80 Flanges Stockist GOST / ГОСТ 12821-80 Flanges at Best Price
Kalikund Steel
GOST / ГОСТ 12821-80 Flanges Applications and Uses


Exporter of GOST / ГОСТ 12821-80 Flanges in the following cities
Manufacturers, Suppliers of GOST / ГОСТ 12821-80 Flanges :
Bengaluru Mumbai Chennai Hyderabad Kolkata Pune
New Delhi Ahmedabad Jaipur Surat Salem Gandhinagar
Bhiwandi Tiruppur Sivakasi Jamnagar Thiruvananthapuram Rajahmundry
Bhubaneswar Vijaywada Firozabad Bokaro Steel City Rajkot Bharuch
Panna Raipur Cochin Ludhiana Panipat Durgapur
Peenya Pimpri-Chinchwad Channapatna Kharagpur Nashik Bareilly
Varanasi Haldia Rourkela Bangalore Moradabad Indore
Visakhapatnam Trivandrum Pithampur Dibrugarh Angul Gwalior
Coimbatore Kannur Nagpur Vadodara Rudrapur Noida
Agra Bhagalpur Jamshedpur Bhilai Lucknow kanpur
Thane Bhopal Navi Mumbai Vasai Bikaner Maharashtra
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  • GOST / ГОСТ 12821-80 flanges in mumbai
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