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Alloy 20 Flanges Manufacturer

Alloy 20 Flanges (UNS N08020) are highly demanded in industries dealing with sulphuric acid and other aggressive chemicals. Designed as per ASTM and ASME standards, these flanges ensure superior corrosion resistance and excellent mechanical strength. Sunrise Industries manufactures Alloy 20 Weld Neck Flanges, Slip-On Flanges, and Blind Flanges in various pressure ratings and dimensions. Known for their durability and precision, these flanges are widely used in chemical, pharmaceutical, and power generation industries. With custom manufacturing facilities, we supply Alloy 20 Flanges worldwide, ensuring reliable performance, safe connections, and long service life in critical piping systems.

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Alloy 20 Weld Neck and Slip-On Flanges are engineered for high-pressure applications where strong and leak-proof connections are essential. Manufactured from UNS N08020 material, these flanges offer exceptional resistance to pitting, stress corrosion cracking, and sulphuric acid environments. Sunrise Industries supplies Alloy 20 Weld Neck Flanges for pipelines handling corrosive fluids, while Slip-On Flanges provide easy installation and alignment. These flanges comply with ASTM B564 and ASME B16.5 standards, ensuring international quality benchmarks. Available in custom sizes and finishes, Alloy 20 Flanges are a reliable choice for refineries, petrochemical plants, and marine engineering projects.
Alloy 20 Socket Weld and Threaded Flanges are specifically designed for pipelines carrying acidic and chloride-containing solutions. These flanges are manufactured with precision to meet international standards, ensuring high durability and resistance against chemical attack. Sunrise Industries offers Alloy 20 Socket Weld Flanges for high-pressure applications, while Threaded Flanges are ideal for quick assembly without welding. With a balanced composition of nickel, chromium, molybdenum, and copper, Alloy 20 Flanges perform efficiently in harsh environments. Available in a wide range of sizes, our products are exported globally to industries requiring dependable flange solutions.
Alloy 20 Blind Flanges are used to close pipeline ends securely, while Orifice Flanges are designed for flow measurement and control. These flanges are produced using UNS N08020 material, offering excellent resistance to sulphuric acid and chloride-induced corrosion. Sunrise Industries manufactures Alloy 20 Blind and Orifice Flanges in compliance with ASTM and ASME standards, ensuring long-term durability and strength. These flanges are commonly utilized in chemical processing plants, marine applications, and industrial piping systems. Clients can choose from standard dimensions or request custom-made designs to suit specific project requirements at competitive prices.

Alloy 20 Flanges Manufacturer & Supplier

  • Corrosion Resistant – Excellent protection against sulphuric acid & harsh chemicals.
  • Wide Range – Weld Neck, Slip-On, Socket Weld, Blind & Forged Flanges available.
  • High Strength – Suitable for high-pressure & high-temperature applications.
  • International Standards – Manufactured as per ASTM B564 & ASME B16.5.
  • Custom Options – Supplied in various dimensions, finishes & drawings.
  • Global Supply – Exported to Middle East, Asia, Africa & Europe.

Alloy 20 Flanges Manufacturer & Supplier

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Alloy 20 Flanges Manufacturer

ASTM B564 Alloy 20 Industrial Flanges Specification:

 

Grades    :  Alloy 20 (UNS 08020)

 

Standards:  ASTM, ASME, ANSI, JIS, DIN, BSNA 11, EN Ni 99.2, JIS NW 2200, GOST-НП-2, AWWA, Custom Drawings

 

Specifications:  ASTM B 564 / ASME SB 564

 

Size:  1/8″ TO 48″ NB

 

Class: 150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64.

 

Wall Thickness:  From 2 to 40 mm.

 

Schedule:  Sch. 5 TO Sch. XXS.

 

Type: Flat Face (FF), Raised Face (RF), Ring Type Joint (RTJ).

 

Form: Slip On (SORF), WNRF, Blind, Socket Weld, Orifice, WNRTJ, BLRTJ, Threaded, Groove & Tongue, Lap Joint, Square Flanges & As Per Clients Required.

 

Our Alloy 20 Flanges Fittings conforms to NACE MR0175/ISO 15156.

ASTM B366 Hastelloy B2 Pipe Fittings Equivalent Grades:-

Standard WERKSTOFF NR. UNS GOST AFNOR OR JIS BS EN
Hastelloy B2 2.4617 N10665 --- --- --- --- --- ---

ASTM B366 Hastelloy B2 Pipe Fittings Chemical Composition:-

Grade Ni Mo C P Mn Ti Si Cu Mb Cr N
Hastelloy B2 Bal. 26.0 - 30.0 0.02 max 0.04 max 0.1 max - 0.1 max - 1.0 max - Bal.

ASTM B366 Hastelloy B2 Pipe Fittings Mechanical Properties :-

Density Melting Point Tensile Strength Yield Strength (0.2% offset) Elongation
9.2 g/cm3 1370 °C (2500 °F) Psi – 1,15,000 , MPa – 760 Psi – 52,000 , MPa – 350 40 %

Alloy 20 Forged Flanges Supplier

Alloy 20 Forged Flanges are widely used in industries where high strength and corrosion resistance are critical. With superior metallurgical composition, these flanges offer outstanding performance in sulphuric acid environments. Sunrise Industries supplies Alloy 20 Forged Flanges in various types such as Weld Neck, Slip-On, Socket Weld, and Blind Flanges. Manufactured as per DIN 2.4660, ASTM B564, and ASME B16.5 standards, these flanges ensure leak-proof connections and long service life. Our products are delivered worldwide, meeting the demands of industries such as petrochemical, power generation, pharmaceuticals, and oil & gas sectors.

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As your one-stop manufacturing partner, Sunrise Industries maintains a complete inventory of ready-to-sell raw materials alongside custom parts fabrication and full engineering services. From prototyping to production, we provide everything at a single location—serving all industrial sectors and transforming manufacturing value chains.

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