Flanges are circular protruded rims, helpful for joining two pipes within the piping system.

Flanges are highly versatile, making them useful in numerous engineering applications. They also:

  • Increase the strength of the pipelines.
  • Stabilize and guide the movements of the machines.
  • Enables to assemble and disassemble the pipes.

Hastelloy B3 is a nickel-molybdenum alloy containing 65% nickel and 30% molybdenum. The nickel-molybdenum elements are helpful in solid strengthening solutions, precipitation hardening, and deoxidation. On the other hand, chromium helps to protect against acidic and alkaline solutions.

Hastelloy B3 provides stability, durability, and toughness to the pipes and tubes in extreme environments. Also, the alloy contains transition elements like tungsten, which exhibits high-temperature tolerance, corrosion resistance, and excellent weldability properties.

Mangalam Metal Corporation is one of the leading distributors and exporters of Hastelloy B3 Flanges across the globe. We use high-quality raw materials and high-tech machinery to produce Hastelloy products to meet national and international demands.

APPLICATIONS OF HASTELLOY B3 FLANGES

In industrial premises, especially petrochemical and oil industries, we use pipes to transfer fluids (liquid or gaseous). These fluids might comprise flammable, volatile, or toxic components, which may be hazardous to health.

There are three primary types of Hastelloy B3 Flanges one will definitely find in industrial premises:

  • Hastelloy B3 Threaded Flanges

Threaded Flanges (formerly known as screwed flanges) have threads within the bores of the flange. This internal thread enables us to connect the pipelines with matching male threads on the pipes. Threaded Flanges are easy to install. However, it is not suitable for high-pressure applications. It is available in sizes of NPS 4 or below. 

  • Hastelloy B3 Socket-Weld Flanges

Generally, we use SW Flanges in small bore pipings, whose diameter is NPS 4 or smaller. It is suitable for a low-pressure application but provides robust connectivity than threaded flanges. Socket Flanges can be RF (Raised-Face) or FF (Flat Face).

  • Hastelloy B3 Slip-On Flanges

Slip-On Flanges have holes in the outer diameter of the surface, along with a larger hole in the center. Technically, we design SO Flanges to fit a pipe into the inner gap of the flange. Thus, you find that their inside diameter is greater than the pipe’s outer diameter.

Following are some industries and their applications where you will find our Hastelloy B3 Flanges installed:

  • Compressors
  • Pipe-in-Pipe Heat Exchangers
  • Absorbers
  • Dust Collectors
  • Regenerative Air Coolers
  • Shipyard Compressors
  • Shipyard Pressure Vessels
  • Vacuum Systems
  • Heat Exchangers
  • Heat Exchangers
  • Chemical Storage Tanks
  • Air Coolers
  • Chemical Reactor Vessels
  • Pressure Vessels
  • Non-Thermal Extruders
  • Refrigerated Extruders
  • Sorting Conveyors
  • Disc Separators
  • Carborundum Abrasive Rollers/Bowls
GENERAL SPECIFICATIONS

Specifications

ASTM B564 / ASME SB564

Size

1/2″NB TO 60″NB

Standards

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

Class

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

Standard

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

Form

Orifice Flanges, Slip on Flanges (SORF), Spectacle Blind Flanges, Forged Flanges, Threaded Flanges, Blind Flanges, Socket weld Flanges, Lap Joint Flanges, Ring Type Joint Flanges, Spacer Ring Flanges, Plate Flanges, Long weld Neck Flanges, Nipo Flange, Nipolet Flanges, Weld neck Flanges (WNRF), Flat Flange

KEY PROPERTIES OF HASTELLOY B3 FLANGES
  • Hastelloy B3 contains more than 60% nickel content, which offers these flanges good resistance against corrosion cracking and pitting.
  • Hastelloy B3 offers higher resistance to pure hydrochloric, hydrobromic, and sulphuric acids. Thus, efficiently protecting the flanges in extreme environments.
  • During the heating generating process, Hastelloy B3 exhibits high-yield tensile strength up to 350 Mpa. Thus, making these flanges attain maximum load without breaking or fracturing.
  • Hastelloy B3 alloy has superior thermal stability when compared with other Hastelloy elements. Thus, resulting in an easy fabrication process for these flanges.
  • During thermal cycling operations, especially heat treatments, Hastelloy B3 Flanges maintain high malleability that helps them stay integrated without losing their strength.
  • However, Hastelloy B3 has comparatively less resistance to oxidizing agents than other Hastelloy elements. We do not recommend using the flanges with ferric or cupric salts.
Quality Assurance

At Mangalam Metal Corporation, all products are subject to strict supervision at each production chain, right from purchasing the raw materials to dispatching products. All the processes undergo inspections for conformity to ASTM, ASME, MSS, and JIS codes and standards.

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