Anti Corrosion Hastelloy B2 Seamless Pipe Fittings 45/90/180 Degree ASTM B366 WPHB-2

1. Nickel based alloy Introduction

• Incoloy alloy is a nickel based corrosion-resistant alloy of the iron chromium series. It has good corrosion resistance in reducing and oxidizing acids, as well as good resistance to stress corrosion cracking, pitting, and crevice corrosion. Commonly used materials in chemistry, petrochemicals, nuclear industry, and rare metal extraction include incoloy800, incoloy825, incoloy926, etc.
• Inconel alloy is a nickel, chromium, and iron solution strengthening alloy with excellent high-temperature corrosion resistance and oxidation resistance, as well as excellent cold and hot processing and welding performance. It is widely used in aviation, chemical, paper industry, and other fields. Commonly used ones include inconel600 inconel601 inconel625 inconel617 inconel718 inconelx750, etc.
• Hastelloy alloy is a nickel based corrosion-resistant and high-temperature alloy, mainly divided into two categories: nickel chromium alloy and nickel chromium molybdenum alloy. It has good corrosion resistance and thermal stability, and is commonly used in aviation, petrochemical, chemical fields, etc. Commonly used include Hastelloy C276, Hastelloy C22, Hastelloy b2, Hastelloy b3, Hastelloy C4, Haynes 230, Haynes 188, etc.

2. Hastelloy B2 Pipe Fittings

• Material

Hastelloy B-2 is indeed a specialized nickel-molybdenum alloy, well-suited for environments where reducing conditions are significant. Here's a more detailed breakdown of its characteristics and benefits:

Characteristics of Hastelloy B-2:

Controlled Iron and Chromium Levels: Hastelloy B-2 is specifically engineered with low levels of iron and chromium. This is crucial because it helps prevent the formation of the beta-phase Ni4Mo, which can detrimentally affect the mechanical properties and corrosion resistance of the alloy.

Exceptional Corrosion Resistance: This alloy is highly resistant to reducing environments, which makes it ideal for applications where exposure to such conditions is frequent. Reducing environments are typically characterized by the presence of agents that gain electrons in chemical reactions, such as hydrogen gas or ions in solution.

Sulfuric Acid Resistance: Hastelloy B-2 exhibits good resistance to moderate concentrations of sulfuric acid. This is a particularly valuable property since sulfuric acid is one of the most commonly used corrosive agents in the chemical industry.

Resistance to Stress Corrosion Cracking (SCC): The alloy shows good resistance to chloride ion-induced stress corrosion cracking. SCC is a type of deterioration, which can lead to unexpected sudden failure of normally ductile metals subjected to a tensile stress, especially at elevated temperatures in corrosive environments.

Organic Acid Corrosion Resistance: Hastelloy B-2 has excellent resistance to corrosion caused by various organic acids. This includes acetic acid, formic acid, and others that are commonly found in chemical processing scenarios.

Applications:

Due to its robust properties, Hastelloy B-2 is commonly used in:

Chemical Processing Equipment: Piping, reactors, heat exchangers, and columns that are exposed to corrosive reducing environments often use Hastelloy B-2.

Pharmaceutical Industry: Equipment used in the production of pharmaceutical products, which may involve organic acids and other corrosive substances.

Pollution Control: Scrubbers and other systems designed to manage and reduce emissions of acidic and corrosive pollutants.

Conclusion:

Hastelloy B-2’s unique composition makes it an excellent choice for handling tough corrosive conditions, particularly those involving reducing agents and organic acids. Its ability to resist various forms of corrosion while maintaining mechanical integrity makes it a valuable material in severe service conditions found in chemical processing, pharmaceutical, and environmental applications.

Hastelloy B-2 Chemical composition:

Hastelloy B-2 Physical property:
Density:ρ=9.2g/cm3
Melting range :1330～1380℃

• Specification of pipe fittings

Material Mark :ASTM B366 WPHB-2 UNS N10665

Standard : ANSI/ASME B16.9, B16.28, MSS-SP-43.

Size : 1/2''~48''(Seamless);16''~110''(Welded)

Wall Thickness: SCH5-STD-SCH XXS

3. Application area

Our company can produce carbon steel, stainless steel, and alloy steel pipe fittings according to standards such as ASME/ANSI, JIS, DIN, ISO etc. The varieties include equal diameter tees, reducing tees, tees, elbows, cross, concentric reducer, eccentric reducer etc. We provide the very best quality pipe and fittings, prompt delivery and reliable services at competitive prices.