Precision Seamless Tube/Pipe

• ​Introduction

Precision carbon steel tubing is a high-precision, high-strength pipe made of high-quality carbon steel, featuring excellent dimensional accuracy, surface finish, and mechanical properties.Widely used in numerous fields such as machinery manufacturing, automotive industry, aerospace, and hydraulic equipment.

• ​Main Functions

Load-bearing and transmission: Precision carbon steel tubes can serve as structural components to bear mechanical loads. They are also commonly used to transmit media such as liquids and gases. For example, they are used to transport hydraulic oil in hydraulic systems and natural gas in pipeline engineering.​ High-precision fitting: Due to its high-precision dimensions, it can achieve a tight fit with other precision parts, ensuring the stable operation and precise transmission of mechanical systems. It is widely used in precision machinery and equipment. Excellent machinability: Easy to weld, bend, and machine.

• ​TubingStandards

ASTM A519；DIN 2391；GB/T 3639​

• ​Material & Performance

1020，1045；St35，St52；20#，45#； It has high strength and good toughness, capable of withstanding large stresses and impacts in complex working environments; with high dimensional accuracy, the outer diameter tolerance is usually controlled within ±0.05mm, and the wall thickness tolerance is within ±0.1mm; with good surface finish, the roughness Ra value is generally less than 1.6μm, effectively reducing the flow resistance of the medium and the risk of corrosion, If higher strength is required, alloy steel material can be selected .

• ​Manufacturing Process ​

Rolling: Use cold rolling or cold drawing processes to process the billet. Through multiple passes of rolling, gradually reduce the outer diameter and wall thickness of the steel tube, and improve the dimensional accuracy and surface quality. During the cold rolling process, the steel tube can reach the required specifications by precisely controlling the shape, size, and rolling speed of the rolls. ​ Heat treatment: According to the performance requirements of the steel pipe, conduct heat treatment on the rolled steel pipe, such as normalizing, tempering, quenching, etc., to eliminate the residual stress inside the steel pipe and improve its strength, toughness, hardness, and other properties. Surface treatment: Conduct surface treatment on the steel pipe, such as Phosphating painting, or galvanizing, etc., to prevent the steel pipe from being corroded during use and improve its corrosion resistance and service life. Inspection: Conduct a comprehensive inspection on the finished steel pipe, including the inspection of dimensional accuracy, appearance quality, mechanical properties, chemical composition, etc., to ensure that the steel pipe meets the relevant standards and customer requirements.

• Specifications