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Tube 25crmo4
Introduction
The Tube 25crmo4 is a type of steel tube that is widely used in various industrial applications due to its excellent mechanical and physical properties. This article will provide an overview of the material, its specification, key features, chemical composition, mechanical properties, physical properties, process performance, steel grade, application, and possible alternative grades.
Material and Specification
The Tube 25crmo4 is made from a high-quality alloy steel known as 25crmo4. It is commonly produced in the form of seamless tubes. The material conforms to various international standards such as EN 10216-2 and EN 10297-1. These standards specify the requirements for the manufacturing process, dimensions, tolerances, and mechanical properties of the tube.
Key Features
The Tube 25crmo4 possesses several key features that make it highly desirable for various applications. Some of the notable features include:
Exceptional strength and toughness
Good corrosion resistance
High heat resistance
Enhanced weldability
Excellent fatigue resistance
Chemical Composition (Table presentation)
Element | Percentage (%) |
Carbon (C) | 0.22 - 0.29 |
Silicon (Si) | 0.15 - 0.35 |
Manganese (Mn) | 0.60 - 0.90 |
Phosphorus (P) | 0.025 (max) |
Sulfur (S) | 0.035 (max) |
Chromium (Cr) | 0.90 - 1.20 |
Molybdenum (Mo) | 0.15 - 0.30 |
Mechanical Properties (Table presentation)
Property | Value |
Tensile Strength | 700 - 900 MPa |
Yield Strength | 540 - 690 MPa |
Elongation at Break | 16 - 18% |
Modulus of Elasticity | 190 - 210 GPa |
Hardness (HB) | 197 - 229 |
Impact Toughness (Charpy V) | 60 - 90 J |
Physical Properties
Property | Value |
Density | 7.85 g/cm³ |
Melting Point | 1420 - 1460 °C |
Thermal Conductivity | 46 W/m·K |
Electrical Conductivity | 13 - 16 % IACS |
Process Performance
Property | Value |
Weldability | Excellent |
Machinability | Fair |
Formability | Good |
Heat Treatment | Suitable |
Steel Grade
The Tube 25crmo4 belongs to the steel grade 25crmo4, which is commonly used in the manufacturing of tubes and other components that require high strength and durability.
Application
The Tube 25crmo4 finds extensive application in various industries, including:
Automotive: chassis components, suspension systems
Oil and gas: drill collars, pipe connections
Mechanical engineering: shafts, gears, crankshafts
Power generation: turbine components, pressure vessels
Aerospace: landing gear components, structural parts
Possible Alternative Grades
While Tube 25crmo4 exhibits exceptional properties, there are a few alternative grades that can be considered for specific applications. Some possible alternative grades are:
34CrMo4
4130
SCM420
GS-25CrMo4
1.7218
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