JIS G4304 SUS445J1, a dual-phase stainless steel with a unique composite structure of ferrite and austenite, stands as a testament to superior quality and reliability. This alloy, with its balanced chemical composition, mechanical properties, and heat treatment state, finds widespread applications across various industries.

Chemical Composition

The SUS445J1 alloy boasts a chemical composition that ensures both corrosion resistance and high-temperature performance. The key elements in its makeup are: Iron (Fe) as the base, Chromium (Cr) ranging from 17.5% to 18.5%, Nickel (Ni) between 1.5% and 2.5%, Molybdenum (Mo) between 0.2% and 0.6%, and Manganese (Mn) from 1.0% to 1.3%. Additionally, it contains Silicon (Si) below 1.0%, Phosphorus (P) below 0.04%, and Sulphur (S) below 0.03%. This precise blend of elements guarantees excellent corrosion resistance and high-temperature stability.

Mechanical Properties

The mechanical properties of SUS445J1 are equally impressive. With a tensile strength of 450MPa, a yield strength of 275MPa, and an elongation rate of over 20%, this alloy offers robust durability in demanding environments. These properties, combined with its exceptional corrosion resistance, make it a dependable choice for various applications.

Heat Treatment State

SUS445J1 stainless steel plate and coil are typically supplied in the as-rolled condition, with no specific heat treatment required. However, further heat treatment, such as annealing, may be performed to meet specific customer requirements or enhance certain properties.

Size Range

JIS G4304 specifies a wide range of sizes for SUS445J1 hot-rolled stainless steel plate and coil. The thickness of the plate can vary, while the width and length are typically customized to meet specific project needs. Similarly, the coil diameter and width are also adjustable to suit various applications.

Impact Test

To ensure the structural integrity of SUS445J1 stainless steel in extreme conditions, impact testing is performed. This test measures the material's ability to withstand sudden impact loads, ensuring its reliability in applications where such loads may occur.

Primary Applications

SUS445J1 finds numerous applications in industries where corrosion resistance and high-temperature performance are paramount. It is commonly used in automotive exhaust systems, heat exchangers, and other components exposed to high temperatures and corrosive environments. Its excellent properties also make it a popular choice for chemical processing equipment, marine components, and other demanding applications.

TJC Steel Group Supply Cases

As a leading supplier of stainless steel products, TJC Steel Group has extensive experience in providing SUS445J1 hot-rolled stainless steel plate and coil to various industries. We have successfully supplied this material to numerous projects, including automotive exhaust systems, power generation facilities, and chemical processing plants. Our commitment to quality and customer satisfaction has made us a trusted partner in the stainless steel industry.