GB/T 30584 20Mn2 Precision Hot Rolled Seamless Alloy Steel Pipe For Crane Jib

GB/T 30584 20Mn2 Precision Hot Rolled Seamless Alloy Steel Pipe For Crane Jib

Table of Contents

1. Introduction
2. Material
3. Specification
4. Key Features
5. Chemical Composition
6. Mechanical Properties
7. Steel Grade
8. Application
9. Possible Alternative Grades

1. Introduction

The GB/T 30584 standard specifies the requirements for 20Mn2 precision hot rolled seamless alloy steel pipe used for crane jibs. This article provides detailed information on the material, specifications, key features, chemical composition, mechanical properties, steel grade, application, and possible alternative grades.

2. Material

20Mn2 is a type of alloy steel that is commonly used in the manufacturing of seamless pipes. It offers superior strength and toughness while maintaining excellent weldability. The material is known for its high tensile strength, ductility, and resistance to wear and abrasion.

3. Specification

The GB/T 30584 standard outlines the specifications for 20Mn2 precision hot rolled seamless alloy steel pipes used specifically for crane jibs. The standard defines various parameters such as pipe dimensions, tolerances, surface finish, and testing requirements to ensure the quality and reliability of the pipes in crane applications.

4. Key Features

The 20Mn2 precision hot rolled seamless alloy steel pipe possesses several key features that make it ideal for crane jibs:

• High strength and toughness
• Excellent weldability
• Resistance to wear and abrasion
• Good machinability
• Superior structural integrity

5. Chemical Composition

The chemical composition of 20Mn2 alloy steel is as follows:

6. Mechanical Properties

The mechanical properties of 20Mn2 alloy steel are:

7. Steel Grade

20Mn2 is a steel grade that falls under the GB/T 30584 standard. It is a low carbon alloy steel known for its high strength and toughness properties. The steel grade ensures the pipe's structural stability and reliability in crane jib applications.

8. Application

The 20Mn2 precision hot rolled seamless alloy steel pipe is primarily used for crane jibs in various engineering and construction projects. Its high strength, resistance to wear and abrasion, and excellent weldability make it suitable for withstanding heavy loads and extreme working conditions.

9. Possible Alternative Grades

Although 20Mn2 is a commonly used alloy steel grade for crane jib applications, several alternative grades can also be considered based on specific requirements. Some possible alternative grades include:

• 16Mn
• 42CrMo
• 35CrMo
• 15CrMo
• 20CrMo

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Our factory covers an area of more than 25,000 square meters and has been in the steel pipe manufacturing business for 20 years. Over this period, we have accumulated a wealth of professional experience, which has helped us establish ourselves as a trusted name in the industry.

At our factory, we specialize in the production of various types of steel pipes, including stainless steel pipe, carbon steel pipe, copper pipe, steel pipe,seamless steel pipe and welded pipe. Our expertise in this field is evident from the 12 patents that we hold, which demonstrate our commitment to innovation and excellence.

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