Alloy31 UNS N08031 steel pipe

ALLOY 1.4562 / UNS N08031 / ALLOY 31

Corresponding Standards: EN 1.4562, UNS N08031

ALLOY 1.4562 Pipe, UNS N08031 Pipe, ALLOY 31 Pipe, ALLOY 31 seamless Pipe, ALLOY 31 seamless Tube, ALLOY 31 seamless Pipe and Tube supplier and manufacturer in HT PIPE.

MATERIAL DESCRIPTION

• UNS N08031 Alloy 31 is a nickel, chromium and molybdenum stainless steel with nitrogen and copper additions. It combines moderate tensile strength and high ductility with excellent corrosion resistance in sulfuric acid, reducing and oxidizing media and has strong resistance to corrosion and erosion corrosion in phosphoric environment.
• Typically the alloy has PREN of ≥ 48, which ensure that the resistance to pitting corrosion is high.

 Therefore, Alloy 31 UNS N08031 Steel Pipe is widely used in many industrial applications that demand excellent corrosion resistance.

PREN = (CR% + 3.3MO% + 16N%) ≥ 48
PRODUCT STANDARDS: ASTM B625 – 14
APPROVALS: FOR USAGE IN PRESSURE VESSELS WITH WALL TEMPERATURES BETWEEN -196°C TO 550°C

 UNS N08031 Alloy 31 Chemical composition

Alloy 31 UNS N08031 Steel Pipe is manufactured as per international standards: ASTM B622, ASTM B619, and DIN 17751. The manufacturing process of this alloy involves using a vacuum induction melting (VIM) process to produce the alloy with high purity and quality. The VIM process ensures the homogeneity of the alloy, which results in excellent mechanical properties and corrosion resistance.

The physical properties of Alloy 31 UNS N08031 Steel Pipe:

- Density: 8.1 g/cm³

- Melting point: 1350°C (2462°F)

- Electrical resistivity: 82.2 µΩ-cm at 20°C (68°F)

Alloy 31 UNS N08031 Steel Pipe APPLICATIONS

Typical applications: Pulp and paper industry, flue gas desulphurization – FGD – systems, sea water heat exchangers, petroleum production and refining industry, mining industry – ore processing…