ASTM A387 Gr.5 Cl2 Chromoly Alloy Steel Plate for High-Temperature

ASTM A387 Grade 5 Class 2 Steel for Boilers and Vessels Description

ASTM A387 Grade 5 Class 2 steel, also referred to as A387 Gr5 Cl2 hot rolled steel for pressure vessel, is a high-performance chromium-molybdenum alloy steel plate designed for elevated temperature service. Conforming to the ASTM A387/A387M standard, this material is widely utilized in demanding industrial applications due to its exceptional strength, corrosion resistance, and thermal stability.

A387 Grade 5 Class 2 pressure vessel steel adheres to the ASTM A387/A387M standard, A387 Grade 5 Class 2 pressure vessel steel is extensively used in industries such as oil and gas, petrochemical, and power generation. Its robustness makes it suitable for fabricating pressure vessels, industrial boilers, heat exchangers, and piping systems that operate under elevated temperatures and pressures. The material’s resistance to hydrogen embrittlement and sulfide corrosion further extends its utility in sour gas environments, ensuring reliability in critical applications.

ASTM A387 Grade 5 Class 2 Steel for Boilers and Vessels Datasheet

Steel Plates Size: Thickness 5–150 mm, width 1000–4500 mm, length 3000–18,000 mm.
Customization: Plates can be cut to specific sizes or shapes as per project requirements, with processes like hot-rolling or cold-rolling used to achieve desired dimensions and surface finishes.

ASTM A387 Grade 5 Class 2 Steel for Boilers and Vessels Chemical composition

The chemical composition of A387 Gr5 Cl2 hot rolled steel for pressure vessel is carefully controlled to ensure consistent performance.
 

Values are based on ASTM A387/A387M product analysis requirements.

ASTM A387 Grade 5 Class 2 Steel for Boilers and Vessels Mechanical Properties

The mechanical properties of ASTM A387 Gr.5 Cl2 Chromoly Alloy Steel Plate are optimized for high-temperature service, with Class 2 undergoing stringent heat treatment for enhanced strength. The key properties are:

Values are minimum unless a range is specified, per ASTM A387/A387M.

Equivalent Grade of ASTM A387 Grade 5 Class 2 Steel for Boilers and Vessels

A387 Grade 5 Class 2 pressure vessel steel has equivalents in other international standards, ensuring compatibility across global markets. Common equivalents include:

These equivalents share similar chemical and mechanical properties, making them suitable alternatives for specific applications.