Easternsteel · Newsroom

What are the performance indicators of boiler tubes?
The performance indicators of boiler tubes are important criteria for evaluating the quality and applicability of boiler tubes.

July 23, 2024

Treatment methods for buried drilling accidents
Treatment methods for buried drilling accidents,here are two method.

July 22, 2024

Steps for rust removal of high-pressure boiler tubes
Steps for rust removal of high-pressure boiler tubes:cleaning, tool rust removal,pickling,spraying (blasting) rust removal.

July 16, 2024

How to use drill pipe to calculate the depth of high-pressure jet grouting piles
High-pressure jet grouting piles are a commonly used foundation reinforcement method, usually used to deal with loose soil, unstable foundation or foundation that needs to be reinforced.

July 15, 2024

Application scope of electrical casing pipe
Electrical casing pipe is a special sheath tube, which is mainly used to protect the safe use of electrical products such as wires, cables and lead wires.

July 9, 2024

What is pup joints in a heat exchanger?
A heat exchanger is a device for transferring heat, usually composed of a series of pipes or tube bundles. The pup joint refers to a specific type of pipe.

July 8, 2024

Introduction to Kelly buckle type
Kelly drill pipe buckle type refers to a metal buckle that uses a drill rod with a square cross-section as a buckle hook and can be used to make various leather products.

July 3, 2024

How to confirm drill pipe steel grade
Drill pipe is an indispensable tool in the oil drilling process, and the quality of its steel grade directly affects the quality and efficiency of the entire drilling process.

July 2, 2024

Determination of strength grade of thick-walled seamless steel pipe
The strength grade of seamless steel pipe is generally divided according to the size of the ultimate tensile force.

June 25, 2024

How to calculate the heat transfer area of a tubular heat exchanger
The heat exchange area calculation of the tubular heat exchanger involves many factors and needs to be calculated according to the specific situation.

June 24, 2024

How to fix leaks in waterproof casing
The waterproof casing in the water room also has a certain role in preventing water from seeping, flowing, and flowing to the lower layer. The "prevention" mentioned here has two aspects.

June 18, 2024

Thick-walled steel pipes are stipulated in engineering projects
Corresponding regulations and regulations for the actual selection and use of thick-walled pipe fittings especially for pipelines that transport extremely or highly hazardous fluid media, flammable media, and high-pressure gases.

June 17, 2024

Drilling float valve specification
Specifications for the use of drill float valves:1. Installation location;2. Operation method;3. Maintenance;4. Safety in use.

June 12, 2024

Dimensions and features of flange butterfly valves
Dimensions and features of flange butterfly valves

June 5, 2024

What should we pay attention to when using oil casing for corrosion protection?
What should we pay attention to when using oil casing for corrosion protection?

June 4, 2024

What is a reducing flange?
Reducing flange is a commonly used pipe connection. It is necessary to pay attention to issues such as material selection, standard operation and sealing between flanges to ensure the reliability and safety of the connection.

May 22, 2024

How to prevent cracks in seamless black steel pipes
High-precision seamless black steel pipes generally improve the properties of the material by adding alloys to the metal.

May 21, 2024

How are flange rings usually damaged?
Common causes and analysis of flange ring damage:Friction problem,Corrosion problem, Overstretching

May 16, 2024

Qualification requirements for flange suppliers
In summary, flange suppliers need to have production licenses, quality management system certification certificates, tax registration certificates and other qualifications.

May 10, 2024

Hot extruded seamless steel pipe
Hot extrusion billet of seamless steel pipe can be forged billet, rolled billet, slab, billet centrifugal casting and so on.

May 9, 2024

Elastic modulus of carbon steel pipeline
for the design and use of the elastic modulus of carbon steel pipelines, it is necessary to calculate according to specific stress conditions and consider the influence of the manufacturing process

May 7, 2024

The resistance coefficient of mild steel tube along the pipeline
The curvature of mild steel tube will also affect the resistance coefficient. The greater the curvature, the greater the resistance coefficient.

April 30, 2024

What is the material of black steel pipe?
Black steel pipes are composed of carbon and iron, and have certain strength and corrosion resistance.

April 26, 2024

Manufacturing technology of black steel pipes
In short, the manufacturing process of black steel pipes includes multiple steps such as forging, hot rolling, cold drawing, cold rolling, and welding.

April 25, 2024

Anti-corrosion treatment of black steel pipes
Especially in humid environments, the corrosion problem of black steel pipes is particularly prominent. Therefore, anti-corrosion treatment is very necessary.

April 23, 2024

Spiral welded pipe for water supply pipeline
piral welded pipe for water supply pipeline project is an indispensable and important part of modern urban water supply system.

April 19, 2024

Commonly used hardness measurement methods in weld hardness testing
Commonly used weld hardness testing methods include Rockwell hardness, Brinell hardness, Vickers hardness and rock Rockwell hardness.

April 17, 2024

Welded pipe welding process
The right set of tubes and tack welding is on ensuring the quality of the welding, the back of a good weld is an important factor.

April 7, 2024

What is ERW steel pipes
ERW is a general term for resistance welded steel pipes.

April 1, 2024

Stainless steel seamless pipe manufacturing process
Stainless steel seamless pipe manufacturing process

March 26, 2024

Thermal conductivity of seamless steel pipe
Although the thermal conductivity of seamless steel pipe is smaller than other materials, it is better than other materials in specific application scenarios and is a cost-effective material.

March 25, 2024

What is Q500C high strength seamless pipe
In summary, Q500C seamless steel pipe, as a high-quality seamless steel pipe, has wide application prospects and market demand.

March 21, 2024

What do pipeline transportation projects include?
Pipeline Construction Construction of pipelines transporting petroleum products, natural gas and solid slurries. Including pipeline engineering, station warehouse engineering and pipeline ancillary engineering.

January 24, 2024

What are the advantages and disadvantages of hot-rolled seamless pipes?
Hot-rolled seamless pipes are compared to cold-drawn seamless pipes. Cold rolling is rolling below the crystallization temperature, and hot rolling is rolling above the recrystallization temperature.

January 17, 2024

What is insulated spiral steel pipe?
Insulated spiral steel pipe is to insulate spiral steel pipe (SSAW pipe). The most important method of insulation is polyurethane insulated spiral pipe.

December 22, 2023

Why do seamless pipes need to shrink and expand?
Some seamless pipes require shrinking and flaring to produce products. The shrinking and flaring of seamless steel pipes is a forming process that shrinks and expands the mouth of a preformed steel pipe through a shrinking and flaring die.

December 20, 2023

Things to note when cleaning spiral steel pipes
Spiral steel pipe (SSAW pipe) is a welded steel pipe made of strip steel coil as raw material, extruded at room temperature, and welded by automatic double-wire double-sided submerged arc welding process.

December 12, 2023

The Advantages of Using ERW Pipes in the Oil and Gas Industry
The Advantages of Using ERW Pipes in the Oil and Gas Industry One of the main advantages of using ERW pipes in the oil and gas industry is their strength.

December 6, 2023

What is the standard of seamless steel pipe?
What is the standard of seamless steel pipe? Mainly used for general structure and mechanical structure.

December 6, 2023

Preheating before welding and heat treatment after welding
Preheating before welding and heat treatment after welding

November 28, 2023

How to straighten steel pipe after bending and deformation?
Long steel products such as seamless pipes and welded pipes are often bent or distorted due to external forces, temperature changes, internal forces, etc.

November 23, 2023

What are the grades of rust removal for anti-corrosion steel pipes?
Anti-corrosion steel pipes refer to steel pipes treated with anti-corrosion technology, which can effectively prevent or slow down corrosion caused by chemical or electrochemical reactions during transportation and use.

November 22, 2023

Why should we consider machinability during annealing and normalizing?
Normalizing is to heat steel pipes (such as seamless pipes and welded steel pipes) to 30 to 50 degrees above Ac3 or Accm, and then cool them at a slightly higher cooling rate than annealing after insulation.

November 21, 2023

How to distinguish steel pipe piles and steel sheet piles?
Steel pipe piles and steel sheet piles are both structural members used in construction projects, but they differ in shape, use and installation methods.

November 14, 2023

What is a straight seam welded pipe production line?
The straight seam welded pipe production line is a process in which the steel plate to be welded is heated or pressurized, or both are used, with or without filling material

November 13, 2023

What is cold treatment of stainless steel pipes?
What is cold treatment of stainless steel pipes? Both stainless steel seamless steel pipes and stainless steel welded steel pipes can be cold processed - cold rolled and cold drawn to meet higher requirements for cold processed products.

November 8, 2023

Characteristics of OCTG pipes
Oil well pipes (including OCTG casing), also known as special oil pipes, are steel pipes specially used for oil and natural gas extraction. Most of them are seamless pipes, but welded pipes also account for a considerable proportion.

November 3, 2023

How is smls pipe stored and saved?
The site or warehouse for steel storage should be selected in a clean and well-drained place, away from factories and mines that produce harmful gases or dust. Weeds and all debris should be removed on the site to keep the steel clean

November 2, 2023

What is the impact toughness of high-pressure seamless pipes?
What is the impact toughness of high-pressure seamless pipes?

November 1, 2023

How to correctly perforate seamless steel pipe blanks?
How to correctly perforate seamless steel pipe blanks?

October 25, 2023

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