Corresponding Standard: ASTM A289/A289M-97(2013)
Introduction:
The steel grade A289/A289M-97(2013) is a type of structural steel commonly used in various industries. It possesses high strength and excellent mechanical properties, making it suitable for a wide range of applications. This article provides a comprehensive overview of the chemical composition, mechanical properties, and potential applications of this steel grade.
Chemical Composition:
The chemical composition of A289/A289M-97(2013) steel grade is as follows:
– Carbon (C): The maximum carbon content is 0.26%.
– Manganese (Mn): The maximum manganese content is 1.35%.
– Phosphorus (P): The maximum phosphorus content is 0.04%.
– Sulfur (S): The maximum sulfur content is 0.05%.
– Silicon (Si): The maximum silicon content is 0.15-0.40%.
– Copper (Cu): The maximum copper content is 0.20%.
– Nickel (Ni): The maximum nickel content is 0.40%.
These chemical elements and their respective limits are essential for maintaining the desired properties and characteristics of the steel grade.
Mechanical Properties:
The mechanical properties of A289/A289M-97(2013) steel grade are as follows:
– Tensile Strength: The minimum tensile strength is 540 MPa (78,000 psi).
– Yield Strength: The minimum yield strength is 415 MPa (60,000 psi).
– Elongation: The minimum elongation is 20% in 200mm.
– Reduction of Area: The minimum reduction of area is 35%.
These mechanical properties ensure that the steel grade exhibits excellent strength and toughness, making it suitable for applications requiring high load-bearing capacities.
Applications:
A289/A289M-97(2013) steel grade finds applications in various industries, including:
– Construction: This steel grade is commonly used in the construction of buildings, bridges, and other infrastructure projects. Its high strength and toughness make it suitable for supporting heavy loads and enduring harsh weather conditions.
– Automotive: A289/A289M-97(2013) steel grade is widely used in the automotive industry for manufacturing various components like chassis, frames, and suspension systems. Its mechanical properties ensure durability and safety in demanding applications.
– Manufacturing: This steel grade is also utilized in the manufacturing of machinery, equipment, and tools. Its high strength and machinability enable the production of reliable and efficient products.
– Oil and Gas: A289/A289M-97(2013) steel grade is used in the oil and gas industry for constructing pipelines, storage tanks, and offshore platforms. Its resistance to corrosion and mechanical properties make it suitable for withstanding harsh environments.
In conclusion, A289/A289M-97(2013) steel grade is a versatile and widely used structural steel grade due to its excellent mechanical properties, high strength, and wide range of applications. Its chemical composition ensures the desired properties are achieved, while its mechanical properties make it suitable for various demanding industries.