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Varieties and specifications of steel
I. Steel Plate and Strip Steel plate is divided into thick steel plate, thin steel plate and flat steel, its specifications with the symbol “a” and width x thickness x length in millimeters. Such as: a 300x10x3000 that the width of 300mm, thickness of 10mm, length of 300...Read more -
What is the nominal diameter？
Generally speaking, the diameter of the pipe can be divided into outer diameter (De), inner diameter (D), nominal diameter (DN). Below to give you a distinction between these “De, D, DN” difference. DN is the nominal diameter of the pipe Note: This is neither the outside...Read more -
What is hot-rolled, what is cold-rolled, and the difference between the two？
1. Hot Rolling Continuous casting slabs or initial rolling slabs as raw materials, heated by a step heating furnace, high-pressure water dephosphorization into the roughing mill, the roughing material by cutting the head, tail, and then into the finishing mill, th...Read more -
Processes and Applications of Hot Rolled Strips
Common specifications of hot rolled strip steel Common specifications of hot rolled strip steel are as follows: Basic size 1.2～25× 50～2500mm General bandwidth below 600mm is called narrow strip steel, above 600mm is called wide strip steel. The weight of the strip c...Read more -
Thickness of color coated plate and how to pick the color of color coated coil
Color coated plate PPGI/PPGL is a combination of steel plate and paint, so is its thickness based on the thickness of the steel plate or on the thickness of the finished product? First of all, let's understand the structure of color coated plate for construction: (Image...Read more -
Characteristics and Uses of Checker Plate
Checker Plates are steel plates with a specific pattern on the surface, and their production process and uses are described below: The production process of Chequered Plate mainly includes the following steps: Selection of base material: The base material of Chequered Pl...Read more -
Advantages of corrugated metal pipe culvert application in highway engineering
Short installation and construction period Corrugated metal pipe culvert is one of the new technologies promoted in highway engineering projects in recent years, it is 2.0-8.0mm high-strength thin steel plate pressed into corrugated steel, according to different pipe dia...Read more -
Heat treatment processes – quenching, tempering, normalizing, annealing
Quenching of steel is to heat the steel to the critical temperature Ac3a (sub-eutectic steel) or Ac1 (over-eutectic steel) above the temperature, hold for a period of time, so that all or part of the austenitization, and then faster than the critical cooling rate of the ...Read more -
Lasen steel sheet pile models and materials
Types of steel sheet piles According to “Hot Rolled Steel Sheet Pile” (GB∕T 20933-2014), hot rolled steel sheet pile includes three types, the specific varieties and their code names are as follows: U-type steel sheet pile, code name: PUZ-type steel sheet pile, co...Read more -
Material Characteristics and Specification of American Standard A992 H Steel Section
American Standard A992 H steel section is a kind of high-quality steel produced by American standard, which is famous for its high strength, high toughness, good corrosion resistance and welding performance, and is widely used in the fields of construction, bridge, ship,...Read more -
Steel Pipe Descaling
Steel pipe descaling refers to the removal of rust, oxidized skin, dirt, etc. on the surface of steel pipe to restore the metallic luster of the surface of steel pipe to ensure the adhesion and effect of the subsequent coating or anticorrosion treatment. Descaling can no...Read more -
How to understand strength, hardness, elasticity, toughness and ductility of steel!
Strength The material should be able to withstand the force applied in the application scenario without bending, breaking, crumbling or deforming. Hardness Harder materials are generally more resistant to scratches, durable and resistant to tears and indentations. Flexib...Read more
