Understanding ASTM B366 CL. WPNCMC.S: A high-performance alloy for corrosive and high-pressure environments

At Haihao Group, we are committed to providing high-quality piping solutions that meet the rigorous demands of modern industries. One of the advanced materials we utilize in our fittings is ASTM B366 CL. WPNCMC.S, a nickel-based alloy renowned for its superior corrosion resistance and mechanical strength. This material is especially well-suited for harsh service environments, such as offshore platforms, chemical plants, and oil & gas facilities.

What is ASTM B366 CL. WPNCMC.S?

ASTM B366 refers to the standard specification for wrought nickel and nickel alloy fittings. The designation CL. WPNCMC.S is a specific grade within this standard, typically indicating a wrought, precipitation-hardened nickel-copper alloy, modified for enhanced corrosion resistance and mechanical properties.

This alloy is designed for use in high-temperature and high-pressure environments, with excellent resistance to stress corrosion cracking, pitting, and crevice corrosion.

ASTM B366 CL. WPNCMC.S pipeline products

ASTM B366 CL. WPNCMC.S pipeline products

Key Features

Corrosion Resistance: Outstanding resistance to a wide range of corrosive media, including seawater, chlorides, and acids.

High Strength: Suitable for pressure-containing parts and demanding structural applications.

Excellent Weldability: Maintains strength and integrity after welding, ideal for complex pipe systems.

NACE Compliance: Fully compliant with NACE MR0175 / ISO 15156, making it suitable for sour service applications in oil and gas fields.

Applications

Due to its robust characteristics, ASTM B366 CL. WPNCMC.S is commonly used in:

  • Subsea and offshore oil and gas installations
  • Refinery and petrochemical piping systems
  • Desalination and marine engineering
  • Chemical process industries

Haihao Group’s Quality Assurance

Haihao Group takes pride in delivering products that meet and exceed international standards. When producing fittings with ASTM B366 CL. WPNCMC.S, we provide full documentation to ensure product quality and traceability, including:

  • Mill Test Certificate (MTC)
  • Dimensional Inspection Report
  • Impact Test Report
  • Mechanical and Chemical Property Report
  • Non-Destructive Testing (NDT) Report

These reports ensure that our products not only meet customer requirements but also comply with strict global specifications for safety and performance.

Haihao Group continues to supply premium pipe fittings made from this high-performance alloy, helping clients worldwide maintain the integrity of their critical infrastructure. Email:sales@haihaogroup.com

Prev:


X

skype
email