Hastelloy B3 Flange ASME B16.5 8” Class 150

✅ Hastelloy B3 Flange – ASME B16.5 – 8" – Class 150

Product Name: Hastelloy B3 Flange
Standard: ASME B16.5
Nominal Size: 8 inches
Pressure Rating: Class 150
Material: Hastelloy B3 (UNS N10675)
Flange Type: Available in multiple types: Weld Neck, Slip-On, Blind, and others
Manufacturer: SSM – Leading Flange Supplier

🔍 Product Overview:

The Hastelloy B3 Flange, designed according to ASME B16.5 standards, is a high-performance flange suitable for use in high-corrosion applications. Manufactured from Hastelloy B3 (UNS N10675), this flange offers excellent resistance to hydrochloric acid and other strongly reducing chemicals. The 8-inch nominal diameter and Class 150 pressure rating make it ideal for use in moderate-pressure systems in industries such as chemical processing, petrochemical, and oil & gas.

Hastelloy B3 flanges are highly resistant to pitting, crevice corrosion, and stress corrosion cracking, ensuring long-term durability and performance even in harsh environments. The Class 150 pressure rating ensures compatibility with a variety of piping systems, providing reliable and secure connections.

🛡️ Material Advantages – Hastelloy B3:

Nickel-molybdenum alloy designed for superior resistance to hydrochloric acid and other reducing chemicals

High resistance to pitting, crevice corrosion, and stress corrosion cracking

Ideal for use in highly corrosive environments, especially in chemical and petrochemical industries

Performs well in both aerated and non-aerated hydrochloric acid solutions

Offers excellent thermal stability and resistance to oxidizing conditions at high temperatures

Suitable for marine and offshore applications

⚙️ Flange Features:

Flange Type: Available in multiple types including Weld Neck, Slip-On, Blind, and Socket Weld

Nominal Size: 8 inches

Pressure Rating: Class 150 – suitable for moderate pressure applications

Face Type: Raised Face (RF), Flat Face (FF), and Ring-Type Joint (RTJ) options available

Material: Hastelloy B3 (UNS N10675) – resistant to hydrochloric acid and various reducing chemicals

Standard Compliance: Manufactured to ASME B16.5 dimensions and specifications

🏭 Typical Applications:

Chemical Processing: Equipment handling hydrochloric acid, sulfuric acid, and other corrosive substances

Petrochemical: Refineries and chemical reactors where corrosion resistance is critical

Oil & Gas: Offshore platforms, pipelines, and equipment exposed to harsh environments

Marine Engineering: For applications exposed to seawater and marine atmospheres

Power Generation: Systems requiring high resistance to acidic environments

📄 Certifications & Options:

Manufactured according to ASME B16.5

NACE MR0175 compliant for sour service

Available with EN 10204 3.1 / 3.2 mill test certificates

Custom flange configurations and face types available upon request

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