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Duplex Stainless Steel 31803
Duplex stainless steel – F51 / S31803 / S32205/ 1.4462
UNS S31803 and UNS S32205 are commonly referred to as Duplex 2205® material, whose “Duplex” name is derived from the mixed micro structure which contains about equal portions of ferrite and austenite. Developed more than 70 years ago in Sweden precisely for the sulfite paper industry where the Duplex’s were used to combat corrosion problems caused by chloride-bearing cooling waters and other aggressive chemical products. Since then there have been advancements in the composition such as the deliberate addition of nitrogen as an alloying agent, which afterwards quickly made Duplex the “workhorse” of stainless steels.
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Inconel 800
INCONEL® alloy 718 (UNS N07718/W.Nr. 2.4668) is a high-strength, corrosion-resistant nickel chromium material used at -423° to 1300°F.
The age-hardenable alloy can be readily fabricated, even into complex parts. Its welding characteristics, especially its resistance to postweld cracking, are outstanding. The ease and economy with which INCONEL alloy 718 can be fabricated, combined with good tensile, fatigue, creep, and rupture strength, have resulted in its use in a wide range of applications. Examples of these are components for liquid fueled rockets, rings, casings and various formed sheet metal parts for aircraft and land-based gas turbine engines, and cryogenic tankage. It is also used for fasteners and instrumentation parts. -
Stellite™ 6 Alloy
Stellite cobalt-based alloys consist of complex carbides in an alloy matrix. They are resistant to wear, galling, and corrosion and retain these properties at high temperatures. Their exceptional wear resistance is due mainly to the unique inherent characteristics of the hard carbide phase dispersed in a CoCr alloy matrix.
Stellite 6 is the most widely used of the wear-resistant cobalt-based alloys and exhibits good all-around performance. It is regarded as the industry standard for general-purpose wear-resistance applications, has excellent resistance to many forms of mechanical and chemical degradation over a wide temperature range, and retains a reasonable level of hardness up to 500°C (930°F). It also has good resistance to impact and cavitation erosion. Stellite 6 is ideally suited to a variety of hardfacing processes and can be turned with carbide tooling.
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Stainless Steel 15-5 ph
15-5 PH stainless steel is a martensitic precipitation-hardening stainless steel with approximately 15% Chromium and 5% Nickel. It has high strength, high hardness, and excellent corrosion resistance. Strength can be further increased by a single low temperature heat treatment. Compared to 17-4 PH, it offers better transverse toughness and ductility; better mechanical properties in larger cross-sections, and better forgeability. It is readily weldable. It can be machined in any of the several Thermal Conditions available to this grade.
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Hastelloy X
Heat Resistant (UNS N06002)
HASTELLOY X is a wrought nickel base alloy with excellent high temperature strength and oxidation resistance. All of the product forms are excellent in terms of forming and welding. Although HASTELLOY X is primarily noted for heat and oxidation resistance it also has good resistance to chloride stress-corrosion cracking and has good resistance to carburization, excellent resistance to reducing or carburizing atmospheres. Alloy X is one of the most widely used nickel base superalloys for gas turbine engine components.
AMS 5754 has no yield or tensile strength requirements, but it does require a hardness maximum and stress rupture minimums. Strong and Oxidation Resistant to 2200 Deg. F (1200 Deg. C) – HASTELLOY X is a solid solution strengthened grade has good strength and oxidation resistance up to 2200 Deg. F (1200 Deg. C).
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Alloy Steel Q345R
The Nickel 201 alloys is an alloy that contains commercially pure wrought Nickel and has good mechanical properties that extend over a wide range of temperatures. The Nickel alloy 201 has excellent resistance to many corrosives, hydroxides in particular.
Nickel 201 has similar properties to Nickel 200. However, due to its lower carbon content, Nickel 201 can better prevent embrittlement by inter-granular carbon at elevated temperatures.
Nickel 201 has native properties to provide strong resistance to corrosion in acids and alkalis. It is especially useful under reducing conditions. The alloy has outstanding resistance to caustic alkalis, which includes its molten state. The alloy shows good resistance in acid, alkaline, and neutral salt solutions.
However, when Nickel 201 is in oxidizing salt solutions severe corrosion will occur. The Nickel 201 alloy is resistant to all dry gases at room temperature. In dry chlorine and hydrogen chloride, Nickel 201 alloy may be used in temperatures up to 550 °C. Its resistance to mineral acids varies according to temperature, concentration, and solution aeration. Its corrosion resistance displays better in de-aerated acid.
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Monel R405
MONEL R405 is a Nickel-Copper alloy, resistant to sea water and steam at high temperatures as well as to salt and caustic solutions.
MONEL R405 is a nickel-copper alloy with excellent corrosion resistance in a wide variety of media. MONEL R405 is characterized by good general corrosion resistance and moderate to high strength. MONEL R405 has been used in a variety of applications. It has excellent resistance to rapidly flowing brackish water or seawater. It is particularly resistant to hydrochloric and hydrofluoric acids when they are de-aerated. MONEL R405 is slightly magnetic at room temperature. MONEL R405 is widely used in the chemical, oil and marine industries. -
Inconel 925
INCONEL® alloy 718 (UNS N07718/W.Nr. 2.4668) is a high-strength, corrosion-resistant nickel chromium material used at -423° to 1300°F.
The age-hardenable alloy can be readily fabricated, even into complex parts. Its welding characteristics, especially its resistance to postweld cracking, are outstanding. The ease and economy with which INCONEL alloy 718 can be fabricated, combined with good tensile, fatigue, creep, and rupture strength, have resulted in its use in a wide range of applications. Examples of these are components for liquid fueled rockets, rings, casings and various formed sheet metal parts for aircraft and land-based gas turbine engines, and cryogenic tankage. It is also used for fasteners and instrumentation parts. -
654SMO® Stainless Steel
654SMO® stainless steel strip is a super austenitic stainless steel strip which contains 23% nickel, 25% chromium and 7% molybdenum.
Its corrosion resistance is equivalent to that of the best nickel-base alloys. 654SMO® is a registered trademark of Outokumpu OYJ.
The nitrogen content of 654SMO® stainless steel is twice as high as 254SMO® grade, and its strength is higher than 904L stainless steel strip.
654SMO® super austenitic stainless steel strip has very good local corrosion resistance.
It has good pitting corrosion resistance and good stress corrosion resistance under the conditions of sea water, aeration, crevices, and low-speed erosion.
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