Alloy 20 Flanges Supplier

Alloy 20 Flanges are an essential component in constructing various industrial piping systems. These flanges, made of nickel, chromium, and molybdenum, provide excellent corrosion resistance even in the harshest chemical environments. With their high resistance to oxidation and acid attacks, Alloy 20 Flanges are a type of pipe flange widely used in chemical and petrochemical industries. These flanges offer exceptional corrosion resistance, making them ideal for use in environments that require high levels of protection against harsh chemicals. The impressive mechanical properties of these flanges make them ideal for high-pressure and high-temperature applications.

Alloy 20CB3 N08020 Flanges, Carpenter 20 Flanges, Alloy 20 Flanges, Alloy 20 CB-3® N08020 Flanges Stockist, UNS N08020 Flanges, Carpenter 20 Flanges, ANSI B16.5 Alloy 20 Flanges, Carpenter 20 2.4660 Flanges, Alloy 20 Pipe Flanges, Alloy 20 Flange, Alloy 20 Flanges Supplier, Alloy 20 Soff Flange, ASTM B462 Alloy 20CB3 Flanges Supplier in Mumbai, India.

Alloy 20 Reducing Flanges can be used in various applications where corrosive substances may be present. These include chemical processing plants, power plants, wastewater treatment facilities, pharmaceutical manufacturing plants, and food processing plants. In addition, these kinds of flanges can also be used in offshore drilling rigs or other marine environments due to their excellent corrosion resistance properties. In addition to our range of Alloy 20 Flanges, we also offer a variety of Nickel 200 Flanges to meet your piping needs.

Carpenter 20 Industrial Flanges, Alloy 20 Slip-On Flanges, AISI Alloy 20CB3 Blind Flanges, 2.4660 Alloy 20CB3 Forged Flanges Exporter, Carpenter 20 2.4660 Socket Weld Flange, ASME SB 462 Alloy 20 Ring Type Joint Flange, Loose Flanges, Alloy 20 CB-3® Weld Neck Flanges, Incoloy 20 2.4660 Threaded Flanges, Alloy 20 Flanges Manufacturer, Alloy 20CB3 Reducing Flanges Manufacturer in India.

The primary benefit of using UNS N08020 Blind Flanges is their superior corrosion resistance. That makes them ideal for use when exposed to harsh chemicals is likely or unavoidable, as they can withstand much harsher conditions than traditional steel or stainless steel pipe fittings. Also, alloy 20 is much more cost-effective than alternative materials such as titanium, making it an attractive solution when budget constraints come into play. These fittings often require less maintenance due to their superior durability, saving businesses time and money over the long term.

ASTM B462 Alloy 20 Blind Flanges offer numerous benefits for businesses, including superior corrosion resistance, which makes them ideal for use in harsh environments such as offshore oil rigs or chemical processing plants, as well as improved durability and cost savings compared to alternative materials like titanium. At Metcore Steel, we pride ourselves on providing excellent customer service and offering a wide range of products, including Alloy 20 Flanges and SDS UNS S32760 Pipes.

Alloy 20 Pipe Flanges come in three types: socket weld, slip-on, and weld neck. Socket weld flanges are designed to be slipped into place over the end of a pipe and then secured with a fillet weld around the perimeter. Slip-on flanges are similar but are designed to be inserted into an open end of a pipe or fitting instead. Weld neck flanges are designed to have a hub that extends outward from the face of the flange for connecting to other components in the system.


Alloy 20 flanges are typically used in high-temperature, corrosive environments, particularly in chemical and petrochemical processing industries. These flanges provide excellent resistance to sulfuric acid, phosphoric acid & other acidic compounds and pitting & crevice corrosion.
The chemical composition of Alloy 20 flanges typically consists of 20% chromium, 35% nickel, 3% molybdenum, and small amounts of copper and iron, among other elements. This composition gives the flanges exceptional resistance to corrosion and high-temperature environments.
Alloy 20 flanges are industrial fittings used to connect pipes, valves, pumps, and other equipment in chemical processing plants and other harsh environments. These flanges are made from a high-strength, corrosion-resistant alloy specifically designed for use in these applications.

Alloy 20 Flanges Specification

Specifications :

Dimensions :

Standard :

Size :

Class/Pressure :

Flange Face Type :

ASTM B462, ASTM B462

ANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, etc.

ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, etc.

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

150#, 300#, 800#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc.

Flate Face (FF), Raised Face (RF), Ring Type Joint (RTJ)

Incoloy 20 Flanges Equivalent Grades

STANDARD WERKSTOFF NR. UNS EN AFNOR
Alloy 20 2.4660 N08020 NiCr20CuMo Z2NCUD31-20AZ

Alloy 20CB3 / Flanges Chemical Composition

Grade C Mn Si S Cu Ni Cr Fe Mo P
Alloy 20 0.07 max 2.00 max 1.00 max 0.035 max 3.00 – 4.00 32.00 – 38.00 19.00 – 21.00 29.85 min* 2.00 – 3.00 0.045 max

Alloy 20 / Flanges Mechanical Properties

Element Density Melting Point Tensile Strength Yield Strength (0.2%Offset) Elongation
Alloy 20 8.1 g/cm3 1443 °C (2430 °F) Psi -80,000, MPa -551 Psi - 35,000, MPa - 241 30 %


Available Types of Alloy 20 Flanges

Alloy 20CB3 Slip On Flanges
  • Alloy 20CB3 Slip On Flanges
  • Carpenter 20 Slip On Flanges
  • Alloy 20 Slip On Flanges
  • Incoloy 20 N08020 Slip On Flanges
  • 2.4660 Slip On Flanges
  • ASTM B462 Alloy 20 CB-3® Slip On Flanges (SORF)
  • ASME SB 462 Alloy 20CB3 Slip On Flanges
Alloy 20 Weld Neck Flanges
  • Alloy 20 Weld Neck Flanges
  • Carpenter 20 Weld Neck Flanges
  • Alloy 20CB3 Weld Neck Flanges
  • Alloy 20 N08020 Weld Neck Flanges
  • 2.4660 Weld Neck Flanges
  • ASTM B462 Carpenter 20 Weld Neck Flanges (WNRF)
  • ASME SB 462 Alloy 20CB3 Weld Neck Flanges
Incoloy 20 Socket Weld Flanges
  • Alloy 20CB3 Socket Weld Flanges
  • Alloy 20 CB-3® Socket Weld Flanges
  • Alloy 20 Socket Weld Flanges
  • Alloy 20 N08020 Socket Weld Flanges
  • 2.4660 Socket Weld Flanges
  • ASTM B462 Carpenter 20 Socket Weld Flanges (SWRF)
  • ASME SB 462 Alloy 20CB3 Socket Weld Flanges
Carpenter 20 Blind Flanges
  • Alloy 20 CB-3® Blind Flanges
  • Alloy 20CB3 Blind Flanges
  • Alloy 20 Blind Flanges
  • Alloy 20 N08020 Blind Flanges
  • 2.4660 Blind Flanges
  • ASTM B462 Carpenter 20 Blind Flanges (BLRF)
  • ASME SB 462 Alloy 20CB3 Blind Flanges
Carpenter 20 Ring Type Joint Flanges
  • Alloy 20 Ring Type Joint Flanges
  • Carpenter 20 Ring Type Joint Flanges
  • Alloy 20 CB-3® Ring Type Joint Flanges
  • Alloy 20CB3 N08020 Ring Type Joint Flanges
  • 2.4660 Ring Type Joint Flanges
  • ASTM B462 Carpenter 20 Ring Type Joint Flanges (RTJ)
  • ASME SB 462 Incoloy 20 Ring Type Joint Flanges
Alloy 20CB3 Long Weld Neck Flanges
  • Alloy 20 Long Weld Neck Flanges
  • Carpenter 20 Long Weld Neck Flanges
  • Alloy 20 Long Weld Neck Flanges
  • Incoloy 20 N08020 Long Weld Neck Flanges
  • 2.4660 Long Weld Neck Flanges
  • ASTM B462 Alloy 20 CB-3® Long Weld Neck Flanges
  • ASME SB 462 Alloy 20CB3 Long Weld Neck Flanges

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