The JIS G4304 SUS445J2 hot-rolled stainless steel plate and coil is a high-performance material that offers exceptional durability and corrosion resistance. This stainless steel grade is widely recognized for its superior characteristics, making it a preferred choice for various industrial applications.

Chemical Composition

JIS G4304 SUS445J2 stainless steel boasts a well-balanced chemical composition, tailored to meet the demands of rigorous industrial environments. Its key elements include chromium (Cr) ranging from 21.00% to 24.00%, molybdenum (Mo) from 1.50% to 2.50%, nickel (Ni) up to 0.6%, and carbon (C) not exceeding 0.025%. This composition ensures excellent corrosion resistance and mechanical properties.

Mechanical Properties

The SUS445J2 grade exhibits impressive mechanical properties, with a minimum yield strength of 245 N/mm2 and a minimum tensile strength of 410 N/mm2. Its elongation rate is at least 20%, ensuring high ductility and toughness. Additionally, the hardness is limited to a maximum of HB 217, providing a balance between strength and machinability.

Heat Treatment

The heat treatment of JIS G4304 SUS445J2 stainless steel involves various processes such as solution annealing, aging, quenching, and tempering. These treatments enhance the material's corrosion resistance, mechanical properties, and dimensional stability. The recommended heat treatment temperature range is between 1846°C and 1283°C.

Size Range

JIS G4304 SUS445J2 stainless steel is available in a wide range of sizes to meet diverse application requirements. The plate thicknesses range from 0.2mm to over 60mm, while the coil widths can be customized according to specifications. The material is also available in various lengths and coil diameters, making it suitable for both large-scale and precision applications.

Impact Testing

JIS G4304 SUS445J2 stainless steel undergoes rigorous impact testing to ensure its ability to withstand sudden loads and impact forces. The material exhibits high toughness and ductility, making it suitable for applications that require resistance to impact and shock loads.

Primary Applications

JIS G4304 SUS445J2 stainless steel finds widespread application in various industries due to its excellent corrosion resistance, mechanical properties, and heat resistance. It is commonly used in chemical processing equipment, pharmaceutical manufacturing, and food processing facilities. Its high corrosion resistance and hygiene properties make it ideal for use in tanks, pipelines, and containers that store or process corrosive chemicals, food, and pharmaceutical products.

TJC Steel Group Supply Cases

At TJC Steel Group, we have a proven track record of supplying JIS G4304 SUS445J2 hot-rolled stainless steel plate and coil to various customers across industries. Our supply cases include the provision of large-scale stainless steel plates for chemical processing plants and precision-cut coils for pharmaceutical equipment manufacturers. We have the expertise and capabilities to meet specific requirements, ensuring timely delivery and superior product quality.

In conclusion, JIS G4304 SUS445J2 hot-rolled stainless steel plate and coil is a reliable material choice for various industrial applications. Its excellent chemical composition, mechanical properties, and heat treatment characteristics make it suitable for demanding environments. At TJC Steel Group, we are committed to providing high-quality stainless steel products to our customers, ensuring their satisfaction and success.