Easternsteel | Newsroom

How RHS Steel Sizes Are Chosen in Real Projects, Not Just Listed in Tables

When people look up RHS steel sizes, they are usually expecting a chart. Numbers, dimensions, maybe a few thickness options. That information is useful, but it rarely answers the real question behind the search.

April 30, 2026

What Is RHS Steel Used For in Structural Engineering?

In structural engineering, material selection alone does not determine how a structure performs.

April 29, 2026

Why SHS Steel Is Widely Used in Structural Applications: A Practical Engineering Perspective

In structural engineering, material selection is not only about choosing the right grade of steel, but also about selecting the appropriate section shape.

April 28, 2026

Why Carbon Steel Seamless Line Pipe Is Essential in Modern Pipeline Transmission Systems

In modern pipeline engineering, material selection plays a decisive role in determining the safety, efficiency, and long-term reliability of a system.

April 27, 2026

Why DN40 Carbon Steel Pipe Is So Common in Industrial Projects: A Practical Engineering Perspective

In industrial piping design, selecting the right pipe size is rarely a straightforward decision.

April 24, 2026

Understanding the Processing and Forming of ASTM A106 Gr B Seamless Pipe

ASTM A106 Gr B seamless pipe is one of the most widely used materials in high-temperature and high-pressure industrial piping systems. It is commonly applied in oil and gas transmission, power generation, petrochemical plants, and boiler systems.

April 23, 2026

Why Pipe Beveling Is Critical for Reliable Welding Joints in Industrial Pipelines

In welding-related pipeline work, many people tend to focus on welding parameters, filler materials, or operator skill. But in real projects, a large number of weld failures do not actually start at the welding stage.

April 22, 2026

Why Do Piping Systems Fail Even When Pipes Meet Standards?

In many industrial piping projects, failures are often blamed on pipe quality or material selection.

April 21, 2026

ERW Pipe Specifications and Models

Electric Resistance Welded (ERW) steel pipes are extensively used in oil and gas transportation, construction, water supply systems, and mechanical engineering.

April 20, 2026

Seamless Steel Pipe Weight Calculator: Formula, Chart and Practical Applications

Accurate weight calculation is a fundamental requirement in steel pipe procurement, transportation, and engineering design.

April 17, 2026

BSP Tap Drill Size Chart Helps Improve Accuracy in Industrial Pipe Threading

Accurate thread preparation is a critical requirement in industrial piping systems, where even minor dimensional errors can lead to leakage, mechanical failure, or reduced system efficiency.

April 16, 2026

The Growing Role of ERW Steel Pipes in Modern Infrastructure and Industrial Applications

As global infrastructure development continues to expand, the demand for reliable, scalable, and cost-efficient steel piping solutions has become increasingly important.

April 15, 2026

The Benefits of Galvanized Square Tube for Outdoor Construction and Structural Projects

To address these challenges, galvanized square tubes have become one of the most widely used structural steel materials in modern construction and industrial applications.

April 14, 2026

Understanding Seamless Steel Pipe Weight Calculation: Formula, Method, and Industrial Applications

This press release provides a technical overview of the seamless steel pipe weight calculation formula, explains its practical application, and highlights key considerations in engineering use.

April 13, 2026

Cold Drawn Seamless Steel Pipe Size Range and Dimensional Reference

Cold drawn seamless steel pipes are widely used in industrial systems that require high dimensional accuracy and consistent mechanical performance.

April 10, 2026

Understanding DIN EN 10220 Seamless Steel Pipes

DIN EN 10220 plays a key role in defining the dimensions and technical classification of seamless and welded steel tubes used across multiple industrial sectors.

April 8, 2026

Industry Insights on Selecting SHS and RHS Steel Tubes

Square Hollow Sections (SHS) and Rectangular Hollow Sections (RHS) are two of the most commonly used steel profiles in construction and industrial projects.

April 7, 2026

Global Seamless Steel Pipe Prices in 2026: Trends for API 5L and ASTM A106

As global demand for energy infrastructure and industrial construction continues to grow, the market for seamless steel pipes remains a key focus for buyers and suppliers worldwide.

April 3, 2026

EN 10210 S355J2H Seamless Steel Pipe

A technical overview of EN 10210 S355J2H seamless steel pipe has been released to provide engineers, designers, and procurement professionals.

April 2, 2026

Industry Guide on the Pros and Cons of Using Black Steel Pipes

A new technical overview examining the advantages and limitations of black steel pipes has been published, focusing on material behavior, engineering considerations, and typical industrial use cases.

April 1, 2026

What Is Cold Drawn Seamless Pipe? A Technical Guide

Cold drawn seamless pipe is one of the most widely used precision steel pipe products in modern industrial systems, especially in applications where dimensional accuracy, surface quality, and mechanical performance are critical.

March 31, 2026

Seamless Steel Pipe Strength Grades

Seamless steel pipes play a critical role in modern industrial infrastructure, particularly in sectors such as oil and gas transmission, petrochemical processing, power generation, and mechanical engineering.

March 27, 2026

Understanding 2-7/8″ Drill Pipe Size: Specifications and Applications

Among various sizes, the 2-7/8″ drill pipe is widely used for medium to deep drilling projects, offering a balance between high load-bearing capacity and manageable handling.

March 25, 2026

Seamless Steel Pipe Price per Ton in 2026

As the global construction, oil & gas, and industrial sectors continue to recover and expand, seamless steel pipes remain a critical component in pressure systems, structural applications, and pipeline projects.

March 24, 2026

Normalizing Heat Treatment for Seamless Steel Pipes: Microstructure and Strength Analysis

From a practical engineering perspective, understanding how normalizing affects material behavior is essential for selecting the right pipe specification and ensuring long-term performance in service.

March 19, 2026

Key Technical Indicators for Selecting Steel Pipes in High-Pressure Projects

This article outlines the key technical indicators for steel pipe selection and shares practical experience for engineering decision-makers.

March 18, 2026

How Precision Steel Tubes Enhance Safety and Efficiency in Industrial Projects

Precision steel tubes are increasingly becoming a cornerstone of modern industrial projects, offering both structural reliability and operational efficiency across multiple sectors.

March 17, 2026

Cold Drawing Technology and Seamless Pipe Precision

In mechanical manufacturing, hydraulic equipment, automotive components, and high-precision machinery, the dimensional accuracy and surface quality of seamless steel pipes often have a direct impact on the stability of equipment operation.

March 11, 2026

5 Common Problems with Cold Drawn Seamless Steel Pipes

In this article, we will explore the five most common problems with cold drawn seamless steel pipes, along with corresponding practical solutions to help you ensure optimal performance and service life.

March 5, 2026

Causes and Prevention of Drill Pipe Fracture

The drill pipe inside the borehole must withstand the combined effects of various complex stresses, including compression, tension, bending, and torsion.

March 4, 2026

Can Ultrasonic Testing Be Used on Oil Drill Pipe?

Ultrasonic testing can be fully applied to oil drill pipe, detecting various internal defects such as cracks, porosity, gas bubbles, and inclusions.

March 2, 2026

Pressure Resistance Testing of Seamless Boiler Tubes

Rigorous pressure resistance testing of seamless boiler tubes includes water pressure and air pressure tests.

February 25, 2026

Types of Seamless Pipe

Seamless pipe can be categorized by manufacturing method, cross-sectional shape, application, material, and precision.

February 10, 2026

Custom Cutting of Carbon Steel Pipes

This article will discuss the cutting and customization of carbon steel pipes to help readers understand the relevant technologies, methods, and precautions.

February 4, 2026

Seamless Pipe Flaw Detection

Seamless pipe flaw detection is a crucial step in ensuring steel pipe quality and safe use. It is mainly used to detect internal and surface defects (such as cracks, porosity, inclusions, delamination, etc.) in seamless pipes.

February 3, 2026

Bending Process for Seamless Pipe

The following will introduce several common seamless pipe bending and forming processes.

February 3, 2026

Common Problems in Drill Pipe Use

Below, we will comprehensively review and summarize these drill pipe problems.

February 2, 2026

Seam Pipe vs. Seamless Pipe for Fire Fighting System

During firefighting pipeline construction, seamless pipes are required for connections to ensure safety and reliability, especially under high pressure and high temperature conditions.

January 28, 2026

Drill Pipe Sizes and Weights

Standard drill pipe sizes and weights form the basis of drilling operations, determining the drill pipe's strength, circulation capacity,

January 26, 2026

CE Certification for Seamless Steel Pipes

CE certification for seamless steel pipes is an essential step for entering the EU market.

December 26, 2025

What Are The Quality Standards for Seamless Precision Tube?

May 15, 2025

How Is The Acid And Alkali Resistance of Mild Steel Tube?

Mild steel tube has certain acid and alkali resistance, but its corrosion resistance is relatively weak.

April 10, 2025

How Is The Corrosion Resistance of 42CrMo Precision Tube?

April 2, 2025

Why Can't Stainless Steel Pipes Be Used for Boiler Tubes?

Why can't stainless steel pipe be used for boiler tube? Because the material and characteristics of stainless steel pipes do not match the materials required in the boiler.

March 31, 2025

What Is Seamless Steel OCTG Pipe?

In general, seamless steel OCTG pipe is an indispensable and important material in the oil and gas extraction industry. What is seamless steel OCTG pipe?

March 13, 2025