Normally shot blasting is required prior to galvanizing, painting, or applying any type of coating to the pipe. Shot blasting will remove the thin rust preventive coat from the pipe that was applied at the time of manufacture. We blast pipe from 1/8” thru 24” (Inquire for larger diameters) .

What is shot peening?

Shot peening, also known as shot peening strengthening, is one of the effective methods to reduce part fatigue and increase life. Shot peening is to spray a high-speed projectile stream onto the surface of the part to cause plastic deformation of the surface of the part and form a strengthening layer of a certain thickness. A higher residual stress is formed in the strengthening layer. Due to the existence of compressive stress on the surface of the part, when the part is under load, part of the stress can be offset, thereby improving the fatigue strength of the part.

What are the benefits of shot peening?

Shot peening is a surface strengthening process widely used in factories, that is, a cold processing process that uses pellets to bombard the surface of the workpiece and implant residual compressive stress to improve the fatigue strength of the workpiece. It is widely used to improve the mechanical strength, wear resistance, fatigue resistance and corrosion resistance of parts. The advantages of shot peening are simple equipment, low cost, no restrictions on the shape and position of the workpiece, and easy operation. If manual shot peening is used, sometimes the strength cannot be controlled and leakage may occur, and mechanical shot peening operations generally overcome this defect. Shot blasting can not only quickly and accurately remove rust and scale, but also after shot blasting, the surface of the workpiece is cleaned evenly and presents uniform roughness, which can improve the adhesion of the coating during painting and extend the service life of the coating.

Which steel pipe needs shot blasting?

Shot blasting is a technology that uses a high-speed rotating impeller to project abrasives onto the surface of a steel pipe to remove scale, rust and old coating and improve surface roughness. The following are several specific types of steel pipes that need shot blasting and their uses:

Seamless steel pipe: used in the oil, gas and other industries, shot blasting removes scale and rust and improves corrosion resistance.

Casing and tubing: used for oil and gas transportation, after treatment, the coating adhesion and corrosion resistance are improved and the service life is extended.

Well pipe casing: used for oil well wall support, shot blasting can enhance corrosion resistance and ensure downhole stability.

Spiral steel pipe (SSAW steel pipe,piling pipe): used for water and oil transportation, shot blasting removes defects and improves pipeline quality.

Straight seam steel pipe (LSAW steel pipe,piling pipe): used for oil, natural gas and other transportation, after treatment to improve corrosion resistance and coating adhesion.

Thick wall steel pipe: used in high pressure and high temperature environment, shot blasting removes impurities and enhances performance and safety.

Shot blasting can improve the surface quality, corrosion resistance and service life of steel pipes, and is suitable for various industrial applications.

Choose Baowi steel's shot blasting service, you will get efficient and high-quality surface treatment solutions. Our professional technology and advanced equipment will ensure that your steel pipes perform well in various application scenarios.