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MP35N Torx Screws
MP35N Torx screws are known for their extraordinary strength and are the strongest screws we offer at RAYCHIN. MP35N screws owe their extraordinary strength to a unique alloy combination of nickel, cobalt, chrome and molybdenum and have ultimate tensile strengths that range from 227 ksi to 294 ksi (with age hardening). Beyond the strength of MP35N Torx screws, they are also exhibit good corrosion resistance and can resist most mineral acids, hydrogen sulfide, seawater and salt spray environments. MP35N Torx screws are also resistant to high temperature oxidation and could operate in environments up to 800°F and still maintain much of its strength.
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A286 Torx Screws
A286 screws, also known as Alloy 660 screws are stainless steel alloy which contains iron, nickel and chromium. A286 torx screws are known for their high strength, creep resistance and oxidation resistance at elevated temperatures once age hardened. As a result, A286 screws provide high levels of strength from room temperature up to about 1300°F (700°C). A286 torx screws are also mildly corrosion resistant. While they should not be used for strong acid environments, they provide excellent oxidation resistance up to 1500°F (815°C) in conditions that would typically be found in high temperature exhaust streams. For the most critical applications, we offer bolts screws per ASTM A453 Grade 660. This ensures tensile and rupture properties.
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310 Stainless Steel Torx Screws
Designed for high temperature applications, 310 stainless steel torx screws provide high temperature oxidation resistance to 2000°F under mild cyclic conditions. An economic alternative to nickel alloys like alloy 330 or Inconel, 310 torx screws provide slightly less strength and temperature resistance – but at a significantly lower price point. Alloy 310 screws can be used in moderately caburizing, moderately oxidizing, nitriding, cementing and thermal cycling applications when not used at the maximum service temperature. 310SS torx screws also have good resistance to sulfidation and other forms of hot corrosion. Although primarily known for its high temperature properties, 310 screws also provide excellent performance at cryogenic temperatures, with toughness down to -450˚F. Though 310 is ideal for high temperature use, it should not be exposed to the severe thermal shock of repeated liquid quenching or where aqueous corrosive contaminants are present.
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Torx Screws
Torx Screws RAYCHIN is a manufacturer and worldwide supplier of standard & custom fasteners（Torx Screws） including those manufactured from the following materials: Hastelloy® C-276, Hastelloy® C-22, Hastelloy® B-2, Hastelloy® G-30, Monel® 400, Monel® K-500, Inconel® 600, Inconel® 625, Inconel® 718, Incoloy® A-286, Titanium Grade 2, Titanium Grade 5, Titanium Grade 7, Nickel 200, Nickel 200, Aluminum, Molybdenum, Nimonic, Nitronic, Tantalum, Tungsten, Waspaloy, Zirconium, Duplex S31803, Duplex S32205 and Super Duplex S32750, etc.
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Titanium Torx Screws
Titanium fasteners are best known for being strong, lightweight, and corrosion resistant. They are critical to many industries including chlor alkali, marine, off-shore oil & gas, desalination, medical, and pulp and paper. Grade 2 and 5 are the most commonly used grades of titanium screws: • Grade 2 (UNS R50400 / 3.7035) :Commercially pure titanium and the most common grade for screws. • Grade 5 (UNS R56400 / 3.7165): Superior strength-to-weight ratio for a unique combination of corrosion and high strength.
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Monel Torx Screws
Monel® Torx screws, like Monel 400 and K500, are made from a nickel-copper alloy and exhibit high strength, toughness and good corrosion resistance over a wide temperature range. An outstanding characteristic of Monel Torx screws is that they offer exceptional resistance to hydrofluoric acid, a particularly tough acid to deal with, in all concentrations up to the boiling point. For hydrofluoric acid applications Monel screws are perhaps the most resistant of all commonly used specialty alloys.
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Tungsten Torx Screws
Tungsten Torx Screws are known for their extreme high density; because of this unique attribute, they are often used for balancing rotating parts. Tungsten’s high mass also makes these hex heads radiopaque. This allows tungsten screws to block radiation and show up well on x-rays – even better than lead. Another unique attribute of tungsten is its extrmely high melting point of 3420°C. The high temperature stability of tungsten fasteners make them ideal for some of the hottest vacuum furnace environments. Beyond their high mass and temperature stability, tungsten hex head cap screws are also very corrosion resistant. Tungsten Torx Screws are usually made from tungsten alloys per ASTM B777, and range from 90% to 97% pure tungsten, alloyed with nickel and copper or nickel and iron.
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Inconel Torx Screws
Inconel® Torx screws, like Inconel 600, 601,625,686,718 & 725 screws, are a family of nickel-chromium-molybdenum alloys used for their high strength at elevated temperatures and good corrosion resistance. Because of its high thermal stability, Inconel can be used in service temperatures ranging from cryogenic to 2200°F (982°C). The high alloy content of Inconel screws enable it to withstand a wide variety of severe corrosive environments. In mild environments, such as the atmosphere, sea water, neutral salts, and alkaline media, there is almost no attack to Inconel Torx screws. In more severe corrosive environments the combination of nickel and chromium provides resistance to oxidizing chemicals, whereas the high nickel and molybdenum contents supply resistance to nonoxidizing environments.
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Incoloy Torx Screws
Not to be confused with Inconel, Incoloy torx screws are made of a nickel alloy which contains iron and a lower content of nickel. Incoloy is essentially a more economical option to Inconel, yet with more restricted corrosion resistance and temperature limits. Typically, Incoloy is an ideal material for long-term exposure in high temperature environments due to its oxidation, carburization and creep resistance. Incoloy is widely used for its resistance to seawater, brine, sour gas and high chloride environments at elevated temperatures, which make it a popular choice in the oil and gas and power industries.
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