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Manufacturer and exporter of Hastelloy C276 Flanges, check Astm B564 Hastelloy C276 Slip On and Blind Pipe Flanges, Uns N10276 Forged Flanges Dimensions, WNR 2.4819 Socket Weld Flanges manufacturer in India

Hastelloy C276 Flanges Specification


Specification: ASTM B564 / ASME SB564

Size: 1/2" (15 NB) to 48" (1200NB)

JIS: 5K, 10K, 16K, 20K, 30K, 40K, 63K

Dimension Standard: ANSI, ASME, BS, DIN, EN etc.

Type: Ring Joint Flange (RTJ), Flat Face Flange (FF),

Raised Face Flange (RF), Male and Female Flange (M & F),

Lap Joint Flange, Large and Small Tongue-and-Groove Flange (T & G)

Pressure rating: 150#, 300#, 600#, 900#, 1500#, 2500#,

PN6, PN10, PN16, PN25, PN40, PN64 etc.


Hastelloy C276 is a popular nickel-molybdenum-chromium alloy known for its exceptional corrosion resistance in aggressive environments. Hastelloy C276 flanges from this alloy exhibit similar outstanding properties, making them suitable for various industrial applications. One of the key properties of Hastelloy C276 flanges is their corrosion resistance.


These flanges can withstand corrosive media such as oxidising and reducing acids, chloride-bearing solutions, seawater, and various organic and inorganic chemicals. This corrosion resistance makes Hastelloy C276 flanges highly sought after in industries such as chemical processing, petrochemicals, pollution control, and pulp and paper.


Hastelloy C276 flanges also possess excellent mechanical properties. They have a high tensile strength, which ensures their durability and ability to withstand pressure. Additionally, these flanges have good impact strength and resist stress corrosion cracking, making them reliable and long-lasting in demanding operational conditions. Furthermore, Hastelloy C276 flanges exhibit exceptional resistance to pitting and crevice corrosion.


Pitting is the localised corrosion of metal surfaces, while crevice corrosion occurs in confined spaces with limited oxygen supply. The resistance of Hastelloy C276 flanges to these forms of corrosion makes them suitable for applications in aggressive environments where other materials might fail.


Incoloy 825 Flanges Specifications


Size Chart 1/2" (15 NB) to 48" (1200NB) DN10~DN5000
Standards API7S-15, API7S-43, API605, ANSI/ASME B16.5, B16.47 Series A & B, B16.48, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, BS4504, BS 10, EN-1092, DIN, ANSI Flanges, GOST Flange, ASME/ANSI B16.5/16.36/16.47A/16.47B, MSS S44, ISO70051, JISB2220, BS1560-3.1, EN1092
JIS 5K, 10 K, 16 K 20 K, 30 K, 40 K, 63 K
UNI 6Bar 10Bar 16Bar 25Bar 40Bar
Pressure Rating ANSI 600 LBS, 900 LBS, 150 LBS, 2500 LBS, 300 LBS, 1500 LBS
Pressure Calculation in DIN 16Bar 6Bar 25Bar 40Bar 10Bar / PN10 PN16 PN6 PN25 PN64 PN40
EN 6Bar 10Bar 16Bar 25Bar 40Bar
Coating Anti-rust Paint, Zinc Plated,Oil Black Paint, Cold and Hot Dip Galvanized, Yellow Transparent
Production technique
  • Forged, Heat treated and machined
Connect Type/ Flange Face Type Ring Type Joint (RTJ), Flat Face (FF), Large Male-Female (LMF), Raised Face (RF), Lap-Joint Face (LJF), Small Male-Female (SMF), Small Tongue, Large Tongue & Groove, Groove
Equipment Bending machine, Pushing Machine,Press machine, electric bevelling machine, Sand-blasting machine etc
Origin Indian / West Europe / Japan / USA / Korean
Special design

As per your drawing

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

Test Hydrostatic testing machine, X-ray detector, Direct-reading Spectrograph, UI trasonic flaw detector, Magnetic particle detector
Most common types Forged / Threaded / Screwed / Plate
Test Certificates EN 10204/3.1B
Raw Materials Certificate
100% Radiography Test Report
Third Party Inspection Report, etc
Manufacturer of

ANSI DIN, GOST, JIS, UNI, BS, AS2129, AWWA, EN, SABS, NFE etc.
: -BS Flange, EN Flange, API 6A Flange, ANSI Flange, ASME Flange, DIN Flange, EN1092-1 Flange, UNI Flange, JIS/ KS Flange, BS4504 Flange, GB Flange, AWWA C207 Flange, GOST Flange, PSI Flange

  • B.S: BS4504 , BS3293, BS1560, BS10
  • German (DIN)
  • AS 2129: Table D; Table E; Table H
  • ANSI B16.5, ANSI B16.47, MSS SP44, ANSI B16.36, ANSI B16.48
  • ANSI : ANSI B16.5, ANSI B16.47(API605), MSS SP44, ANSI B16.36, ANSI B16.48
  • American standard (ANSI)
  • British standard (BS)
  • ANSI B16.5, ANSI B16.47 Series A & B, MSS SP44, ASA, API-605, AWWA, Custom Drawings
  • DIN: DIN 2527, DIN 2566, DIN 2573, DIN 2576, DIN 2641, DIN 2642, DIN 2655, DIN 2656, DIN 2627, DIN 2628, DIN 2629, DIN 2631, DIN 2632, DIN 2633, DIN 2634, DIN 2635, DIN 2636, DIN 2637, DIN 2638
  • The other standard: AWWA C207; EN1092-1, GOST12820, JIS B2220; KS B1503, SABS1123; NFE29203; UNI2276
Uses & application
  • Nuclear power (mostly seamless).
  • Bitumen upgraders.
  • Petrochemicals and acids.
  • Heavy oil refineries.
Material Test Certificates (MTC) as per EN 10204 3.1 and EN 10204 3.2, Test Certificates certifying NACE MR0103, NACE MR0175

At our company, we take utmost care in packaging Hastelloy C276 flanges. Each flange is individually wrapped in protective material to prevent any damage during transit. We use sturdy and secure packaging boxes to ensure safe delivery to our customers. Our packaging process ensures that the flanges reach our customers in excellent condition, ready to be utilised in their applications.

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