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Perforated carbon steel has no specified minimum quantity of any alloying element and contains only an incidental amount of any element other than carbon, silicon, manganese, copper, sulphur and phosphorus.
It is the most corrosive and least expensive of the commonly perforated metals.
Carbon steel is either referred to as Hot Rolled, steel that underwent a rolling thickness reduction step while hot, or Cold Rolled, where the steel is cold reduced to the specified thickness. Cold rolling elongates the grains of the steel in the direction of rolling, making the steel hard and brittle. Annealing in a reducing atmosphere recrystallizes the grains, giving the perforated sheet steel the ductility needed for its intended use.
Hot Rolled Pickled and Oiled Hot rolled coil or sheet steel that has been descaled of oxide film by either a chemical method, mechanical method, or a combination of both and oiled for corrosion protection.
Peforated carbon sheet steel can be coated to make it corrosion resistant. Coatings applied after the perforating process, such as paint and powder, will completely protect the perforated metal, but coatings applied before perforating (e.g. galvanized and galvanealed) will leave the inside of the holes exposed.
Perforated stainless steel sheet is essentially a low carbon steel which contains chromium at 10% or more by weight. The chromium content of the steel allows the formation of a rough, adherent, invisible, corrosion-resisting chromium oxide film on the steel surface. If damaged mechanically or chemically, this film is self-healing, providing that oxygen, even in very small amounts, is present.
Peforated carbon sheet steel can be coated to make it corrosion resistant. Coatings applied after the perforating process, such as paint and powder, will completely protect the perforated metal, but coatings applied before perforating (e.g. galvanized and galvanealed) will leave the inside of the holes exposed.
Perforated stainless steel sheet is essentially a low carbon steel which contains chromium at 10% or more by weight. The chromium content of the steel allows the formation of a rough, adherent, invisible, corrosion-resisting chromium oxide film on the steel surface. If damaged mechanically or chemically, this film is self-healing, providing that oxygen, even in very small amounts, is present.
Stainless steels can be divided into three basic groups based on their crystalline structure: austenitic, ferritic, and martensitic
The most commonly perforated stainless steel types are mentioned below.
we can not only produce diffirent kinds of material perforated metals and also produce diffrent kinds of hole shap perforated metas.You can choose hole shap and colors,we could coated PVC colors and make them oxidized.
we can not only produce diffirent kinds of material perforated metals and also produce diffrent kinds of hole shap perforated metas.You can choose hole shap and colors,we could coated PVC colors and make them oxidized.
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