Knowledge

A335 P5 Alloy Tube: 5Cr-0.5Mo Seamless Pipe for Refinery and Boiler Service

A335 P5 is a 5Cr-0.5Mo ferritic alloy steel tube grade used in the creep range for refinery process lines, superheater and reheater tubing and hydrogen-bearing service. The article summarises its chem

Characteristics of high pressure alloy steel pipe

High-pressure alloy seamless steel pipe is a high-performance, high-strength, corrosion-resistant seamless steel pipe. It is mainly used to manufacture equipment and components in extreme environments

T92 High Alloy Pipe Welding: Preheat, Root Pass and Heat Treatment Control

T92 is a 9Cr-2W ferritic heat-resistant steel whose weldability differs sharply from lower grades such as T11 or T22. This guide covers the preheat band, interpass limits, argon-purged root pass, fill

Alloy steel pipe welding specification requirements

Alloy steel pipes are mainly used for high-pressure and high-temperature pipelines and equipment in power plants, nuclear power plants, high-pressure boilers, high-temperature superheaters and reheate

Steel Pipe Welding Precautions: Process, Thickness and Alloy Control

Key precautions for welding steel pipe, from choosing the right process for the service condition and wall thickness to single-sided welding technique. It also covers alloy and heat-resistant grades,

Pipe welding techniques

Pipe welding is a manual welding method that uses arc as a heat source to melt the electrode and the base metal to form a weld, keeping the arc temperature within the standard temperature; submerged a

Connection methods for galvanised steel pipes

Galvanised steel pipe refers to galvanised straight seam welded pipe, rolled into a steel pipe from galvanised steel sheet and then welded by submerged arc welding, there is a weld on the wall of the

Galvanised steel pipe technical requirements in detail

Galvanised steel pipes are welded steel pipes with a hot-dip or electro-galvanised coating on the surface. Galvanising increases the corrosion resistance of the steel pipe and extends its service life

Plastic-Coated Steel Pipe: Base Tube, Epoxy Lining and Polyethylene Coating A...

A plastic-coated steel pipe combines a sound seamless base tube with an electrostatically applied epoxy lining and a polyethylene outer coating. This article lists the base tube points that can be che