Seamless 20# Precision Pipe

The 20# precision steel pipe has no oxide layer on the inner and outer walls and can withstand high pressure without leakage. It has the characteristics of high precision, high smoothness, no deformation during cold bending, no cracks when flaring, and flattening. Therefore, it is mainly used for the production of pneumatic or hydraulic components. , such as cylinder. Or the cylinder is a seamless tube. The main components of precision steel pipes are carbon and manganese, of which carbon content is the highest, usually between 0.12% and 0.20%. In addition, No. 20 precision steel pipe also contains small amounts of silicon, phosphorus, sulfur and other elements. The presence of these elements also has a certain impact on the performance of steel pipes.

High strength: No. 20 precision Seamless steel pipe has high tensile strength and yield point, can withstand greater pressure and carry greater weight.

High precision: No. 20 precision bright Seamless Steel Pipe has high dimensional accuracy, uniform wall thickness, smooth internal and external surfaces, no iron oxide scale, no folds, no cracks and other defects, and excellent processing performance.

High corrosion resistance: No. 20 high-precision seamless steel pipe undergoes oxygen-free annealing treatment. It has good surface quality, strong corrosion resistance, and can adapt to various harsh environments.

20# seamless pipe has good cutting and processing performance and is suitable for manufacturing products with low stress but high toughness requirements. This shows that the material not only has sufficient strength, but also has good plasticity and toughness when needed. The hardness of 20# pipe is slightly lower than that of 45# seamless steel pipe, and 45# steel pipe may have better wear resistance and impact resistance.

Mechanical Properties of 20 # Seamless Steel Pipe

Standard	Mechanical Properties
	Tensile strength/MPa	Yield strength/MPa			Elongation		KV2/J
		S≤16mm	16-30mm	＞30mm	Portrait	Transverse	Portrait	Transverse
		≥					Test temperature/℃ 0℃
GB/T8163	410-530	245	235	225	20		---
GB/T 9948	410-550	245			24	22	≥40	≥27
GB/T 6479	410-550	245	16-40mm	＞40mm	24	22	≥40	≥27

No. 20 cold drawn precision seamless steel pipe is widely used in the following fields:
Petrochemical industry: used to manufacture pipelines, storage tanks, reactors and other equipment, which can withstand harsh environments such as high temperature, high pressure and corrosion.
Electricity: used to manufacture generator sets, boilers, thermal pipelines and other equipment, which require high strength and good corrosion resistance.

High precision seamless steel pipe