Hastelloy B3 Flanges

Hastelloy B3 Flanges are made from a nickel-molybdenum alloy designed to handle severe reducing environments. The alloy resists hydrochloric, sulfuric, phosphoric, and acetic acids, making it reliable in harsh industrial conditions. With excellent resistance to carbide precipitation, these flanges are suitable for welding applications. The chemical makeup includes Nickel (65% min), Molybdenum (28.5%), Iron (1.5%), and trace elements like Chromium, Cobalt, and Tungsten. Mechanical properties include a tensile strength range of 1000–2000 MPa, a density of 9.22 g/cm³, and a melting point of 1418 °C. Metracore Alloys manufactures and supplies high-quality Hastelloy B3 Flanges that meet global standards with precision engineering.

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These flanges come in sizes ranging from ½” (15 NB) to 48″ (1200 NB) and are manufactured in compliance with ASTM B564 / ASME SB564 standards. Excellent corrosion resistance in reducing acids, strong thermal stability in comparison to other B-alloys and high mechanical strength over a wide temperature range are the main features of ASTM B564 Hastelloy B3 Flanges. They are easily formed, welded and they are ductile. However, because of their lower chromium content, they should not be used with oxidising agents or in environments that contain ferric or cupric salts.

The versatility of Hastelloy B3 Flanges makes them widely used in demanding industries. Applications include chemical processing, offshore oil drilling, pharmaceuticals, power generation, heat exchangers, pulp and paper, shipbuilding, cement plants, and food processing. They are suitable for pipelines and other vital equipment exposed to harsh chemicals due to their strength and ability to endure cracking under pressure. To achieve precise dimensions, the alloy is first forged at high heat and then machined. The final product may also be shaped by rolling or casting depending on the design.

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Certifications such as EN 10204 3.1 and 3.2 support each batch of our flanges, and third-party agency inspections and laboratory test certificates from NABL, approved labs are available. We provide packaging options like wooden pallets, crates, waterproof wraps and secured wooden boxes with lifting points, this packaging guarantees safe handling and delivery. This precaution ensures that Hastelloy B3 Flanges manufacturers in India deliver goods in a safe and usable state for critical applications in a variety of industries.

Hastelloy B3 Flanges Specification

Types of hastelloy b3 Flanges

Hastelloy B3 Flanges Face Forms

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Technical Details of Hastelloy B3 Flanges

Hastelloy B3 Flanges Equivalent Grades

STANDARD	WERKSTOFF NR.	UNS
Hastelloy B3	2.4600	N010675

Chemical Composition of Hastelloy B3 Flanges

Grade	Ni	Mo	Cr	Fe	W	Mn	C	Al	Ti	Si
Hastelloy B3	65.0 min	28.5	1.5	1.5	3.0 max	3.0 max	0.01 max	0.50 max	0.2 max	10 max

Mechanical Properties Of Hastelloy B3 Flanges

Density	Melting Point	Tensile Strength	Yield Strength (0.2%Offset)	Elongation
9.2 g/cm3	1370 °C (2550 °F)	Psi – 1,15,000 , MPa –760	Psi – 52,000 , MPa – 350	40%

Manufacturing Process of Hastelloy B3 Flanges

Hastelloy B3 Flanges Application

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