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Galvanized Coils vs Galvalume Steel Coil: How to Choose?
Z275 > AZ150. Most people assume that Z275 has a thicker coating and better corrosion resistance. However, Z275 and AZ150 belong to two different coating systems, so you can’t simply compare the two numbers. What truly determines a product’s performance is: C...Read more -
Why Do PPGI Color-Coated Steel Coils Need to Undergo Salt Spray Testing?
The salt spray test is a standard testing method that involves placing samples in a sealed chamber filled with salt spray to evaluate a material’s rust resistance through accelerated corrosion. Color coated steel sheet are used in building exteriors, roofing, home appli...Read more -
Factory Tour | Clients Visit to Inspect the Anti-Corrosion Coating Process for Galvanized Corrugated Culvert Pipes
Recently, a team of Brazilian clients visited our partner factory for an on-site inspection, focusing on in-depth discussions regarding galvanized corrugated culvert products and the anti-corrosion coating process. Our staff accompanied the clients throughout their to...Read more -
How Should You Choose Zinc Ingots?
Zinc ingots are metallic materials cast from primary metallic zinc. Trace impurity elements may remain during smelting, yet metallic zinc constitutes the principal component. Impurities including lead, cadmium, iron, copper, tin and aluminum can affect the mechanical pr...Read more -
How to Choose Color-Coated Coils?
Color coated coils are manufactured using cold rolled steel sheet or galvanized steel sheets as the base material, and are processed through a series of steps including continuous surface pretreatment, baking, and cooling. The product offers advantages such as being po...Read more -
What is the difference between square tube and square bar?
Square bar refers to a square-shaped material produced by hot-rolling square billets, or by cold-drawing round steel. Theoretical Weight Formula: side length × side length × 0.00785 = kg/m. Square tubing refers to a tubular shape with a square cross-section. It...Read more -
EHONG STEEL –SQUARE BAR
Square steel refers to profiles formed into various specific shapes and dimensions through pressure processing; it is named for its square cross-section. Square steel is primarily classified into two types: hot-rolled square steel and cold-drawn squar...Read more -
What is the difference between round bars and deformed rebar?
In construction, there are many types of steel commonly used, among which round bars and rebar are the most prevalent. The main differences between them are as follows. Today, we’ll briefly discuss these differences. Round Bars (HPB Series) The surface of round bars...Read more -
EHONG STEEL –ROUND BAR
Round bar refers to solid, long steel bars with a circular cross-section. Its specifications are expressed in terms of diameter, measured in millimeters (mm); for example, “50 mm” refers to a round bar with a diameter of 50 millimeters. Classif...Read more -
EHONG STEEL –CORRUGATED COLOR STEEL SHEET
Corrugatedcolor steel sheet is made by cold rolling and bending color-coated steel into various corrugated profiles. It is widely used for roofing, wall cladding, and interior/exterior wall decoration of industrial and civil buildings, warehouses, spe...Read more -
Why Can Galvanized Steel Pipes Resist Corrosion for Decades?
Rusting is an inescapable fate for steel products. However, galvanized steel pipes are an exception — they can withstand harsh environments such as humidity and acid rain for decades without deteriorating. The secret behind this lies not in the steel pipe itself, but i...Read more -
Heat Treatment in Steel Processing—Annealing
In the processing and heat treatment of steel, annealing, normalizing, quenching, and tempering are four fundamental yet critical heat treatment processes. By controlling the heating temperature, holding time, and cooling rate, these processes alter the internal microst...Read more
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