Steel is classified into thousands of grades based on its composition and application. Common standards include ASTM, AISI, SAE, and ISO. 3.1 Carbon Steels
This report summarizes the essential metallurgical characteristics, common international specifications, and industrial applications of steel. 1. Metallurgical Foundations Steel is primarily an alloy of
Steel is utilized across diverse industries due to its versatility and structural reliability. Construction and Infrastructure I-beams, rebar, hollow structural sections (HSS). Grades: ASTM A36, ASTM A572, EN S355. Steel is classified into thousands of grades based
These are specifically designed for cutting, forming, and molding other materials, characterized by high hardness and abrasion resistance. 4. Applications of Steel
Maraging steels, 300M, precipitation-hardening stainless steels (e.g., 17-4 PH). Grades: ASTM A36, ASTM A572, EN S355
. Its properties, such as hardness and strength, are primarily dictated by carbon content and the formation of specific microstructures. كلية الهندسة - جامعة بغداد 1. Fundamental Properties of Steel
: Often used in North America, this four-digit system identifies the alloy type and carbon content (e.g., 1045 indicates a plain carbon steel with ~0.45% carbon). If you share with third parties
Widely used in North America for structural and construction steels (e.g., ASTM A36).
Utilized for chassis, engine components, and body panels where fatigue resistance is vital.
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