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Carbon Steels and Alloy Steels

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About Carbon Steels and Alloy Steels

Carbon steels and alloy steels are ferrous alloys that contain carbon and other alloying elements such as manganese, chromium, molybdenum, and nickel. They are used in a wide variety of industrial applications. Many materials meet the compositional standards of the Unified Numbering System (UNS), a specification established by the American Society for Testing and Materials (ASTM), the Society of Automotive Engineers (SAE), and metal trade associations such as the American Iron and Steel Institute (AISI) and the Aluminum Association (AA). The UNS assigns metals and alloys a lettered prefix and a five-digit number. For example, carbon steels and alloy steels belong to the UNS G category and have designations such as UNS G10950. AISI-SAE is another common specification. Other standards include European Norm (EN) and U.S. military specifications (MIL-SPEC). QQ and QQS prefixes are used to designate specific MIL-SPEC metals.  


Products & Services Related to Carbon Steels and Alloy Steels

Aluminum and Aluminum Alloys
Aluminum and aluminum alloys are lightweight, non-ferrous metals with good corrosion resistance, ductility and strength.
Ferrous Metals and Iron Alloys
Ferrous metals and alloys are based on iron and include carbon steels, alloy steels, stainless steels, cast iron, cast steel, maraging steel, and specialty or proprietary iron-based alloys. 
Metal Sheet
Metal sheet is metal or alloy stock supplied or available in the form of sheet or foil. Metal sheet has a thickness between 0.006" and 0.250", and is 24" (609.6 mm) or more in width.
Metal Strip
Metal strip is narrow, thin metal or alloy stock that is usually 0.187" (3/16 inch, 4.76 mm) or less in thickness and under 24 inches (609.6 mm) in width.
Metal Wire and Strand
Metal wire and strand has a round, flat, or shaped cross section. Products are usually less than 0.375" in diameter.
Nickel and Nickel Alloys
Nickel and nickel alloys are non-ferrous metals with high strength and toughness, excellent corrosion resistance, and superior elevated temperature properties.
Superalloys
Superalloys are nickel, cobalt or iron-based alloys with excellent elevated temperature strength, creep properties and oxidation resistance.

Engineering Web: Carbon Steels and Alloy Steels - Machine Design

Pages: 1 - 3 of 89

Alloy Steel | Machine Design
Steels that contain specified amounts of alloying elements -- other than carbon and the commonly accepted amounts of manganese, copper, silicon,
Carbon Steel | Machine Design
Standard wrought-steel compositions (for both carbon and alloy steels) are designated by an AISI or SAE four-digit code, the last two digits of which
Steels for Strength | Machine Design
Heat-treated constructional alloy steels and the ultrahigh-strength steels are used in applications where high strength can be converted to a
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