Hardness Standards for Seamless Steel Pipe

Hardness Standards for Seamless Steel Pipe

Generally, the hardness of seamless steel pipes has three standards: Brinell Hardness, Rockwell Hardness and Vickers Hardness. 1. Brinell Hardness Brinell Hardness is the most common standard for seamless...

The Types of API 5L Pipes

The Types of API 5L Pipes

PI 5L pipes contain API 5L LSAW pipe, DSAW pipe, seamless pipe. API 5L LSAW Pipes : Grades covered by this specification are A25, A, B and“X" Grades API 5L X42 LSAW Pipes, API 5L X46 LSAW Pipes,...

A213 T22 Alloy Steel Pipe Cutting Method

A213 T22 Alloy Steel Pipe Cutting Method

A213 T22 alloy steel pipe cutting the main way to cut off the machine, machine cutting, flame cutting, sawing and so on. The characteristics of the pipe cutting equipment are described below. (1) Pipe...

Pipeline corrosion detection

Pipeline corrosion detection

Pipeline corrosion detection refers to in-pipe detection for the purpose of detecting metal loss such as pipe wall corrosion. The basic method used to understand the damage of the pipeline in service...

Working principle of pipe jacking

Working principle of pipe jacking

Pipe jacking construction is an underground pipeline construction method developed after shield construction. It does not require excavation of surface layers, and can pass through roads, railways, rivers,...