JIS G3462 Alloy Steel Tube For Heat Exchanger

Introduction

JIS G3462 is a standard specification for alloy steel tubes used in heat exchangers. These tubes are designed to withstand high temperatures and pressure conditions, making them suitable for various industrial applications. In this article, we will explore the material, specification, key features, chemical composition, mechanical properties, steel grade, application, and possible alternative grades of JIS G3462 alloy steel tubes for heat exchangers.

Material and Specification

JIS G3462 alloy steel tubes are manufactured using chromium-molybdenum and chromium-molybdenum-vanadium steel grades. The material composition ensures excellent corrosion resistance, high-temperature strength, and durability. These tubes are available in various sizes, thicknesses, and lengths to meet specific application requirements. JIS G3462 specifies the technical requirements including dimensions, tolerances, and testing methods for these tubes.

Chemical Composition (Table Presentation)

The chemical composition of JIS G3462 alloy steel tubes is presented in the table below:

Mechanical Properties (Table Presentation)

The mechanical properties of JIS G3462 alloy steel tubes are presented in the table below:

Steel Grade

JIS G3462 specifies several steel grades suitable for heat exchanger applications. Some of the commonly used steel grades include:

• STBA 12
• STBA 13
• STBA 20

Application

JIS G3462 alloy steel tubes find widespread application in various heat exchanger systems employed in industries such as power generation, petrochemical, refineries, and chemical processing. These tubes are used for transferring high-temperature fluids between the heat source and the desired destination.

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