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Stainless steels are highly corrosion resistant, ferrous alloys that contain chromium and/or nickel additions. There are three basic types of products: austenitic stainless steels, ferritic and martensitic stainless steels, and specialty stainless steels and iron superalloys. Austenitic stainless steels (AISI 300 / 200 Series) are highly corrosion resistant, ferrous alloys that contain chromium and nickel or manganese additions. Generally, austenitic stainless steels are more corrosion resistant than ferritic or martensitic stainless steels. Annealed austenitic stainless steels are non-magnetic. Cold working is used to harden austenitic stainless steels because these alloys do not respond to conventional quench and temper hardening processes. Ferritic and martensitic stainless steels are highly corrosion resistant, ferrous alloys that contain chromium and/or carbon additions. Ferritic stainless steels are soft, easy to form metal alloys. Cold working is used to harden ferritic stainless steels because these alloys do not respond to conventional quench and temper hardening processes. Ferritic stainless steels are formed to fabricate mufflers and other sheet metal components that require good corrosion resistance. Martensitic stainless steels can be hardened by a conventional quench and temper operation. Martensitic stainless steels are used for knife blades, tooling, or other applications that require good corrosion resistance combined with higher hardness and wear resistance. Specialty stainless steels and iron superalloys are highly corrosion resistant, ferrous alloys containing chromium, nickel or other alloying additions to provide high strength or heat resistance. Duplex and precipitation hardening stainless steels belong in this category. Products & Services
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.
Stainless steel alloys are austenitic, ferritic, martensitic, precipitation hardened (PH), and duplex metal materials that are available in a wide variety of grades, shapes, and sizes.
Metal balls and spherical shapes are used as check or ball valves, bearings, or other applications. Metal bearing balls are precision ground for ball bearings or other motion systems.
Materials processing services providers manufacture mechanically or thermally process metals, ceramics, polymers, glasses or other materials on a contract basis.
Process development services can develop new processes, run process research and development (R&D) programs, perform optimization studies, improve current processing methods and provide other assistance in process development activities.
Product Announcements
Topics of Interest
Ferritic stainless steels are straight-chromium 400-series metals that cannot be hardened by heat treatment, and only moderately hardened by cold marketing. They are magnetic, have good ductility, and...
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This specification was approved by the assistant Administrator Office of Federal Supply and Services, General Services Administration, for the use of all Federal agencies 1.1 Scope. This specification...
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Ferritic and austenitic stainless steels exhibit moderate levels of strength which are adequate for a wide range of applications. Martensitic stainless steels offer significantly higher strengths, but...
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Martensitic stainless steels are straight-chromium 400-series metals that can be hardened by heat treatment. They are magnetic, resist corrosion in mild environments, and have fairly good ductility.
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Stainless steel springs represent the ultimate in appearance and corrosion resistance. They also offer some unique properties not obtainable in carbon steel springs.
When 12% or more chromium is added...
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