Carbon steel bar is a common metal material and has a wide range of uses. It is made of a low carbon steel with excellent strength and wear resistance.

Niobium tube is a high-performance tube made of rare metal niobium. Niobium tube has the characteristics of high melting point, corrosion resistance, good cold working performance, etc. These characteristics make it widely used in many fields such as chemistry, electronics, aviation and aerospace.

Niobium tube is a high-performance tube made of rare metal niobium. Niobium tube has the characteristics of high melting point, corrosion resistance, good cold working performance, etc. These characteristics make it widely used in many fields such as chemistry, electronics, aviation and aerospace.

Niobium tube is a high-performance tube made of rare metal niobium. Niobium tube has the characteristics of high melting point, corrosion resistance, good cold working performance, etc. These characteristics make it widely used in many fields such as chemistry, electronics, aviation and aerospace.

Niobium tube is a high-performance tube made of rare metal niobium. Niobium tube has the characteristics of high melting point, corrosion resistance, good cold working performance, etc. These characteristics make it widely used in many fields such as chemistry, electronics, aviation and aerospace.

Niobium tube is a high-performance tube made of rare metal niobium. Niobium tube has the characteristics of high melting point, corrosion resistance, good cold working performance, etc. These characteristics make it widely used in many fields such as chemistry, electronics, aviation and aerospace.

Niobium tube is a high-performance tube made of rare metal niobium. Niobium tube has the characteristics of high melting point, corrosion resistance, good cold working performance, etc. These characteristics make it widely used in many fields such as chemistry, electronics, aviation and aerospace.

Carbon steel bar is a common metal material and has a wide range of uses. It is made of a low carbon steel with excellent strength and wear resistance.

Carbon steel pipe is made of ingot or solid round steel through perforation to make a tube, and then hot rolled, cold rolled or cold drawn to make. It has good corrosion resistance, pressure bearing capacity and machinability.