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Steel Grades

S355JR

S355JR

S355JR is a non-alloy structural steel that is commonly used in the construction and engineering industries due to its high strength and good weldability. It is part of the S355 steel grade family, which includes S355J0, S355J2, and S355K2. This steel grade is known for its excellent toughness and impact resistance, making it ideal for heavy-duty applications.

S355JR has a minimum yield strength of 355 MPa, which is similar to other S355 steel grades. This high strength allows it to be used in applications that require structural support, such as bridges, buildings, and infrastructure. It is also used in the manufacturing of heavy machinery and equipment.

The chemical composition of S355JR includes carbon, manganese, phosphorus, sulfur, and silicon. It has a maximum carbon content of 0.24%, which is slightly higher than S355J0 and S355J2. This results in a steel grade that is more suitable for applications that require higher strength and hardness.

At our company, we produce high-quality steel pipes made from S355JR and other steel grades. We use advanced manufacturing techniques to produce seamless steel pipes that are strong, durable, and reliable. Our pipes are widely used in a variety of applications, including construction, engineering, and infrastructure projects.

We are committed to providing our clients with the highest level of service and support. We work closely with our clients to ensure that we fully understand their needs and requirements, and we are dedicated to providing customized solutions that meet their specific needs. Our team of experts is always available to provide technical support and advice, and we are committed to delivering products of the highest quality.

If you are looking for a reliable and experienced steel pipe producer that uses S355JR and other high-quality steel grades, then look no further than our company. Contact us today to learn more about our products and services, and to find out how we can help you meet your specific needs and requirements.

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