Yearly Archives: 2022

Performance characteristics of casing pipe: The product has the common advantages of ERW pipe and seamless pipe; High product dimensional accuracy, uniform organization, good toughness, etc. The prod...

J55 and N80 casing pipe: 1. The yield strength of N80-1/Q is 173 ~ 206 MPa higher than that of J55. 2. The elongation of N80-1/Q is higher than that of J55 on the same sample area. 3. Wit...

Short casing generally include: magnetic positioning pup joints and casing pup joints. Magnetic positioning pup joints: A short casing used to accurately determine the depth of oil and gas layers whe...

The hydrostatic pressure test of casing pipe is an indispensable part of the production process of the steel pipe. Its role is to test the anti-leakage performance of the steel pipe under standard tes...

J55 casing pipe manufacturers talk about the rapid heat treatment of steel induction heating, the steel quickly passes through the inductor by the heat treatment temperature and quickly processed. J55...

Non-uniform deformation of J55 casing pipe hoop during metal pressure processing, the distribution of internal deformation and stress of the workpiece is not uniform, which affects both the quality pe...

When the carbon content dissolved in the matrix has increased to a certain extent, the matrix of the high vanadium high-speed steel in the J55 casing pipe plant has been transformed into a composite m...

The casing is mainly used to support the wellbore during and after drilling to ensure the normal operation of the entire oil well after the drilling process is completed. Different types of casing use...

1. Heat treatment  PSL1: J55 and K55 are the same (rollable delivery); PSL2: J55, K55 products should be the whole normalizing or normalizing and tempering, if thickened, should be thickened after nor...

1, Difference between lsaw steel pipe and ssaw steel pipe in production process  LSAW steel pipe is a longitudinally parallel steel pipe. Usually pided into metric welded steel pipe, welded thin-walle...