Steel Knowledge

Zinc aluminum magnesium steel pipe VS galvanized steel pipe-Salt spray test

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The Most Complete Specification Table of Steel Hollow Sections in History

Yuantai Derun Steel Pipe Manufacturing Group has prepared what may be the most comprehensive specification table for structural steel hollow sections in history, which includes the kilograms per meter weight of various types of steel pipes. The calculation of the weight of this steel pipe is base... Read More

Steel hollow section –Why choose us?

 First of all, our company has rich experience in this industry. Read More

Ten Precautions for Steel Pipe Hoisting Operation

1. Find a safe station Read More

Some technical insights on 1 x 3 rectangular tubing

Rectangular tubing is widely used in construction, manufacturing, and engineering projects due to its strength, durability, and versatility. The 1 x 3 rectangular tubing is a specific type of rectangular tubing that measures one inch by three inches in diameter. It has a wall thickness of either ... Read More

Introduction to ASTM A519 AISI 4130 Alloy Seamless Steel Pipe

4130 is a chromium molybdenum alloy steel pipe model. Chromium molybdenum steel alloy steel pipe is a type of seamless steel pipe, and its performance is much higher than that of ordinary seamless steel pipes. Because this type of steel pipe contains more Cr, its high temperature, low temperature... Read More

How to calculate the weight of a square steel pipe with rounded corners?

Square or rectangular steel pipes are commonly used in construction projects and are generally used for pipe installation supports, temporary site access, power projects, decorative keel, etc. Read More

Galvanized square pipe is a common building material

Galvanized square pipe is a common building material. It not only has good corrosion resistance and strength, but also can be installed conveniently and quickly. What are the sales points of galvanized square tubes in the market? Next, let’s discuss it in detail. Read More

Advantages of steel structure residential buildings

Many people have little knowledge of steel structure. Today, Xiaobian will take you to review the advantages of steel structure housing. (1) Excellent seismic performance The steel structure has strong flexibility and good seismic performance. It can absorb and consume a large amount of seismic f... Read More

What is high-strength square tube?

What is high-strength square tube? What is its purpose? What are the performance parameters? Today we will show you. The performance characteristics of high-strength square tube are high strength, good toughness and impact resistance. Strength: yield point（ σ s）≥390mpa； Tensile strength（... Read More

What are the advantages of the square steel pipe produced by Yuantai Derun?

Square tube is a kind of hollow square section light thin-walled steel pipe, also known as steel cold-formed section. It is made of Q235 hot-rolled or cold-rolled strip or coil as the base material, which is formed by cold bending and then welded by high-frequency welding. In addition to wall thi... Read More

Square rectangular steel pipe is the choice of round to-square forming method good, or choose the Direct Forming Technology（ DFT ）method good?

Is it better to square square the square tube or to square it directly? The square tube manufacturer will answer for you   There are three methods for forming square tubes: round square, direct square and row roll square. Among the three methods, rounding and direct square are the most commo... Read More
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