Hastelloy B2 Pipes & Tubes

In the world of industrial applications, choosing the right material is crucial for ensuring efficiency, safety, and longevity. One such material that has gained popularity due to its remarkable properties is Hastelloy B2. Hastelloy B2 Pipes & Tubes are known for their exceptional resistance to aggressive chemical environments, making them a preferred choice in various industries. will provide a comprehensive overview of Hastelloy B2 Pipes & Tubes, highlighting their advantages, applications, and why they are a top choice for industries dealing with harsh conditions.

Hastelloy B2 Pipes & Tubes
Hastelloy B2 Pipes & Tubes

What is Hastelloy B2 Pipes & Tubes?

Hastelloy B2 is a nickel-molybdenum alloy with outstanding resistance to reducing environments such as hydrogen chloride gas, sulfuric acid, acetic acid, and phosphoric acid. This alloy is particularly resistant to hydrochloric acid at all concentrations and temperatures. The Hastelloy B2 Pipes & Tubes are fabricated using this versatile alloy, making them highly resistant to pitting, stress-corrosion cracking, and knife-line and heat-affected zone attack.

Hastelloy B2 Pipes & Tubes offer excellent thermal stability and are designed to withstand high temperatures without degrading. They are commonly used in industries that handle corrosive substances, ensuring that the equipment remains intact and functional over extended periods. The unique chemical composition of Hastelloy B2, with low carbon and silicon content, minimizes the formation of carbide precipitates during welding, enhancing the overall performance of the pipes and tubes.

Advantages of Hastelloy B2 Pipes & Tubes

Hastelloy B2 Pipes & Tubes come with numerous benefits that make them an ideal choice for demanding applications. Below are some of the key advantages:

Exceptional Corrosion Resistance: One of the primary reasons Hastelloy B2 Pipes & Tubes are widely used is their superior resistance to corrosion, especially in reducing environments. They are highly effective in resisting corrosion in both acidic and neutral solutions.

High Thermal Stability: These pipes and tubes maintain their mechanical properties at elevated temperatures, making them suitable for high-temperature applications without the risk of degradation.

Resistance to Stress Corrosion Cracking: Hastelloy B2 is particularly resistant to stress-corrosion cracking, which is a common issue in many industrial settings. This ensures the longevity and reliability of the pipes and tubes.

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Ease of Fabrication and Welding: Hastelloy B2 Pipes & Tubes can be easily fabricated and welded, reducing the time and cost associated with installation. The low carbon content prevents carbide precipitation during welding, maintaining the alloy’s resistance to corrosion.

Versatility: Due to their ability to withstand harsh chemicals and high temperatures, Hastelloy B2 Pipes & Tubes are used in a wide range of industries, making them a versatile and practical choice.

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Applications and Uses in Different Industries

The robust properties of Hastelloy B2 Pipes & Tubes make them suitable for a wide range of industrial applications. Below are some of the key industries where these pipes and tubes are commonly used:

Chemical Processing Industry: In the chemical processing industry, equipment is constantly exposed to highly corrosive substances. Hastelloy B2 Pipes & Tubes are used in reactors, heat exchangers, and other components that are in contact with aggressive chemicals like sulfuric acid, hydrochloric acid, and acetic acid. Their exceptional corrosion resistance ensures that the equipment lasts longer and requires less maintenance.

Pharmaceutical Industry: The pharmaceutical industry demands high purity and resistance to contamination. Hastelloy B2 Pipes & Tubes are ideal for applications involving the transfer of sensitive chemicals, where the prevention of contamination and corrosion is critical.

Oil and Gas Industry: In the oil and gas sector, equipment is frequently exposed to harsh environments, including saltwater and other corrosive fluids. Hastelloy B2 Pipes & Tubes are used in various stages of oil and gas extraction and processing to ensure the integrity and efficiency of the operations.

Pulp and Paper Industry: The pulp and paper industry uses aggressive chemicals in its processes, which can quickly degrade standard materials. Hastelloy B2 Pipes & Tubes offer excellent resistance to the acids and chlorides commonly used in pulp and paper manufacturing, thus enhancing the lifespan of the equipment.

Aerospace Industry: In aerospace, materials must withstand extreme conditions, including high temperatures and corrosive environments. Hastelloy B2 Pipes & Tubes are used in various components of aircraft engines and other critical systems where durability and performance are non-negotiable.

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Hastelloy B2 Pipes & Tubes stand out due to their exceptional resistance to corrosion, high thermal stability, and versatility across multiple industries. Whether it’s in chemical processing, pharmaceuticals, oil and gas, or aerospace, these pipes and tubes offer a reliable solution for harsh environments. By choosing Hastelloy B2 Pipes & Tubes, industries can enhance their operational efficiency, reduce maintenance costs, and ensure long-lasting performance of their equipment.

What Is A Specification Of Hastelloy B2 Pipes & Tubes?

Specifications : ASTM B622, B619, B626 / ASME SB622, SB619, SB626
Seamless Size : 1 / 8" NB - 24" NB
ERW Size : 1 / 8" NB - 36" NB
EFW Size : 6" NB - 100" NB
Outer Diameter : 6.00 mm OD up to 914.4 mm OD, Sizes up to 24” NB
Length : Single Random, Double Random & Required Length
Schedule : SCH20, SCH30, SCH20, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS
Types : Seamless / ERW / EFW / Welded / Fabricated / LSAW Pipes
Form : Round Pipes/Tubes, Square Pipes/Tubes, Rectangular Pipe/Tubes, Coiled Tubes, “U” Shape, Pan Cake Coils, Hydraulic Tubes

What Are Equivalent Grades Of Hastelloy B2 Pipes & Tubes?

Grade DIN UNS JIS BS GOST EN
Hastelloy B2 N10276 2.4819 NW 0276 - ХН65МВУ NiMo16Cr15W

What Are Chemical Composition Of Hastelloy B2 Pipes & Tubes?

Grade Ni C Mn Co S Si Cr Mo Fe W v p
Hastelloy B2 Bal 0.01 max 1.0 max 2.5 max 0.03 max 0.08 max 14.5 – 16.5 15 – 17 4 – 7 3 – 4.5 0.35 max 0.04 max

What Are Mechanical Properties Of Hastelloy B2 Pipes & Tubes?

Grade Density Melting Point Yield Strength (0.2%) Offset Tensile Strength Elongation
Hastelloy B2 8.89 g/cm3 1370 °C (2500 °F) Psi – 1,15,000 , MPa – 790 Psi – 52,000 , MPa – 355 40 %

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