718S steel

Introduction

XG718S steel is a steel alloy with a high chromium, molybdenum and nitrogen content, which has a wide range of applications both in industry and in construction. The special properties of XG718S steel make it ideal for applications such as heavy duty vehicles, pressure vessels and bridges.

Chemical Composition

The chemical composition of XG718S steel contains high levels of chromium, molybdenum, and nitrogen. It also contains manganese, silicon, carbon, and iron. The chromium content is between 8.5-9.5%, the molybdenum content is between 0.30-0.50%, and the nitrogen content is between 0.015-0.04%. The manganese level is between 1.30-1.60%, the silicon level is between 0.15-0.30%, the carbon level is between 0.03-0.10%, and the iron content is between 98.10-98.50%.

Mechanical Properties

The mechanical properties of XG718S steel are impacted by its chemical composition. The yield strength of this steel grade is 550 MPa and its ultimate tensile strength is 740 MPa. It has an elongation at break of 16.5%, a hardness of 265 HB and a Charpy impact value of 27J.

Applications

XG718S steel is mainly used for the construction of heavy-duty vehicles such as trucks, buses and locomotives. It is also used for the production of pressure vessels, storage tanks and bridges. The superior mechanical properties make it suitable for applications where higher safety requirements are necessary.

Conclusion

XG718S steel is a high chromium, molybdenum and nitrogen steel alloy with a wide range of applications in both industry and construction. It has excellent mechanical properties and is suitable for applications requiring a higher degree of safety. It is mainly used for the production of heavy duty vehicles, pressure vessels and bridges.

Q235B-Q345B High Strength Low Alloy Steel

Q235B-Q345B High Strength Low alloy steel is a new kind of economic construction steel. Q235B-Q345B steel strip is a kind of low carbon steel strip, also known as ordinary low alloy steel. This kind of steel strip has a good plasticity, toughness, cold bending and welding properties, and certain strength, good cold stamping performance. It can be used for manufacturing of car industry, shipbuilding industry, bridge industry, electrical industry, agricultural machinery, pressure vessels and other industries after cold stamping.

Q235B-Q345B steel strip has chemical composition and mechanical properties of low carbon steel. It mainly contains chemical elements such as carbon, manganese, phosphorus, sulfur, silicon, aluminum, chromium, and other chemical elements. The mechanical properties of Q235B-Q345B steel strip are determined by the combined effect of chemistry, heat treatment and deformation. The hot-rolled sheet and cold-rolled sheet of Q235B-Q345B steel strip can reach different levels of mechanical properties and surface properties.

Q235B-Q345B steel strip is widely used in manufacturing structures, parts and components applied in civil engineering, transportation engineering, pressure vessels, bridge engineering, container engineering, mechanical production and precision manufacturing. At present, Q235B-Q345B high-strength low-alloy steel has been used in structural steel materials, bridge steels, auto parts, pipes and plates in China.

Q235B-Q345B high-strength low-alloy steel is an economical structural steel material with excellent comprehensive performance. It can be used in many types of engineering components such as beams, columns, frames, beams, steel pipes, hollow sections, plates and so on. The advantages of high strength and low cost has made it the most widely used structural steel in the construction industry.