UCI-371 is a furnace tube alloy that can provide either a higher operating temperature with better furnace yield or a longer life than either HK 40 or HP-steel alloys. This alloy, with higher nickel content than the two noted above, permits higher concentrations of both chromium and silicon, which enhance resistance to coking, carburization, and metal dusting. The alloy is commonly referred to as 45-35+Nb and is microalloyed. This datasheet provides information on composition, physical properties, hardness, and tensile properties as well as creep. It also includes information on high temperature performance and corrosion resistance as well as heat treating, machining, and joining. Filing Code: Ni-530. Producer or source: Ultra-Cast Inc.

UCI-471 is an improved version of the HP classification of furnace tube alloys with better oxidation and creep resistance. This datasheet provides information on composition, physical properties, hardness, and tensile properties as well as creep. It also includes information on high temperature performance and corrosion resistance as well as heat treating, machining, and joining. Filing Code: Ni-562. Producer or source: Ultra-Cast Inc.

UCI-472 is an improved version of the well-known HP classification of furnace-tube alloys with improved carburization and oxidation resistance. This datasheet provides information on composition, physical properties, hardness, and tensile properties as well as creep. It also includes information on high temperature performance and corrosion resistance as well as heat treating, machining, and joining. Filing Code: Ni-566. Producer or source: Ultra-Cast Inc.

SUPERTHERM is a cast nickel-chromium-iron alloy stabilized with cobalt and tungsten. It is used worldwide in extremely high-temperature applications and has unexcelled performance to 2300 F (1260 C). Among its many uses are components for heat-treating furnaces, cement kilns, petrochemical furnace tubes and refining furnace tubes. This datasheet provides information on composition, physical properties, elasticity, and tensile properties as well as creep and fatigue. It also includes information on corrosion resistance as well as casting, heat treating, machining, and joining. Filing Code: SS-228. Producer or source: Abex Corporation, Engineered Products Division. Originally published July 1969, revised November 1977.

UCI-270 is a cast, cobalt and tungsten stabilized, nickel-chromium-iron alloy having unequaled performance in high-temperature applications to 2300 F (1260 C). Among its many uses are components for heat-treating furnaces, cement kilns, petrochemical furnace tubes, and refining furnace tubes. This datasheet provides information on composition, physical properties, and hardness as well as creep. It also includes information on high temperature performance and corrosion resistance as well as casting, heat treating, machining, and joining. Filing Code: SS-696. Producer or source: Ultra-Cast Inc.

UCI-160 (also called HK alloy) has been a standard material used in reformer type furnaces for many years. It performs well in carburizing and nitriding gases (both oxidizing and reducing) up to 1800 F. HK was the first general-purpose alloy for ethylene pyrolysis furnaces. UCI-160 is used in many replacement applications for furnace tubing. This datasheet provides information on composition and physical properties as well as creep. It also includes information on corrosion resistance as well as casting, heat treating, machining, and joining. Filing Code: SS-682. Producer or source: Ultra-Cast Inc.

SANDVIK SANICRO 31 is an iron-nickel-chromium alloy having good resistance to corrosion and oxidation and good mechanical properties at elevated temperatures. It is recommended for electrical sheathing, pyrometer tubes, equipment for heat treating and furnace tubes and other equipment in the petrochemical industry. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties. It also includes information on high temperature performance and corrosion resistance as well as forming, heat treating, machining, joining, and surface treatment. Filing Code: SS-172. Producer or source: Sandvik.

SANDVIK SANICRO 31HT is an austenitic iron-nickel-chromium alloy characterized by very good resistance to oxidation with good mechanical properties at elevated temperatures. It is recommended for resistance element sheathing, pyrometer tubes, airheaters, equipment for heat treating, furnace tubes, and other equipment in the petrochemical industry. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties as well as creep. It also includes information on high temperature performance and corrosion resistance as well as forming, heat treating, machining, joining, and surface treatment. Filing Code: SS-530. Producer or source: Sandvik.

Märker G4848 is a cast austenitic stainless steel for use up to 1050 C (1922 F). Typical uses include petrochemical ethylene furnace tubes and steam metal reformers. This datasheet provides information on composition and physical properties. It also includes information on casting and joining. Filing Code: SS-545. Producer or source: Schmidt & Clemens GmbH.

Märker G 4857W is a cast alloy for petrochemical applications such as furnace tubes. It compares favorably to the HP Modified grades. This datasheet provides information on composition, physical properties, and tensile properties. It also includes information on joining. Filing Code: Ni-512. Producer or source: Schmidt & Clemens Edelstahlwerke.

Wiscalloy 25-35Nb is a high-temperature cast heat-resistant stainless steel with good creep-rupture properties. The alloy is centrifugally cast and is often used as petrochemical furnace tubing. This datasheet provides information on composition, physical properties, and tensile properties as well as creep. It also includes information on casting and joining. Filing Code: SS-654. Producer or source: Wisconsin Centrifugal.

Wiscalloy 25-35NB MA is a high-temperature cast heat-resistant microalloyed stainless steel with good creep-rupture properties. The alloy is centrifugally cast and is often used as petrochemical furnace tubing. This datasheet provides information on composition, physical properties, and tensile properties as well as creep. It also includes information on casting and joining. Filing Code: SS-656. Producer or source: Wisconsin Centrifugal. Originally published October 1996, corrected November 1996.

KHR35C Hi Si is similar to Kubota alloy KHR35C but with added silicon levels to improve carburization resistance. The typical application is ethylene furnace tubing. This datasheet provides information on composition, physical properties, and tensile properties as well as creep. It also includes information on high temperature performance as well as casting and joining. Filing Code: SS-755. Producer or source: Kubota Metal Corporation.

UCI-198 is best described as an HP alloy modified with niobium and with microalloying by titanium and rare-earth elements. The alloy was developed to produce increased creep resistance in furnace tube applications. This datasheet provides information on composition, physical properties, hardness, and tensile properties as well as creep. It also includes information on high temperature performance and corrosion resistance as well as casting, machining, and joining. Filing Code: SS-770. Producer or source: Ultra-Cast Inc.

Sandvik 7RE10 is a 25Cr/20Ni oxidation-resistant alloy with good carburization and oxidation resistance. It is typically used as furnace tubing. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties as well as creep. It also includes information on high temperature performance and corrosion resistance as well as forming, heat treating, and joining. Filing Code: SS-812. Producer or source: Sandvik.

INCOLOY Alloy DS is a wrought, austenitic nickel-chromium-iron alloy with high resistance to heat and oxidation. Its many applications include furnace parts, woven-wire conveyor belts for continuous furnaces, radiant heat tubes and gas-turbine components. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties as well as creep. It also includes information on high temperature performance as well as forming, heat treating, machining, and joining. Filing Code: SS-473. Producer or source: Inco Alloys International Inc..

CLIMELT MOLYBDENUM is a commercially pure high melting point metal for applications such as electronic tube components, electric furnace elements, electrical contacts, and electrodes. It is produced by arc casting. This datasheet provides information on composition, physical properties, elasticity, and tensile properties as well as creep. It also includes information on high temperature performance and corrosion resistance as well as forming, heat treating, machining, and joining. Filing Code: Mo-10. Producer or source: Climax Molybdenum Company of Michigan, American Metal Climax.

IN-519 was developed primarily for application as centrifugally cast tubes in steam-hydrocarbon reformer furnaces. It has significantly higher stress-rupture properties than HK-40 (25Cr-20Ni), which is most commonly used for such components. This datasheet provides information on composition, physical properties, elasticity, and tensile properties as well as creep and fatigue. It also includes information on high temperature performance and corrosion resistance as well as casting, heat treating, machining, and joining. Filing Code: SS-246. Producer or source: Abex Corporation, Engineered Products Division.

PYROMET 102 is a nonmagnetic, nickel-chromium base alloy which is solid solution strengthened by the refractory metals niobium, tungsten and molybdenum. It possesses excellent corrosion properties, strength, ductility, toughness and structural stability. It is used as tubing and piping for steam and gas turbines, rocket engines, heat shields, furnace hardware, chemical plant hardware and in sea water environments. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties as well as fracture toughness and creep. It also includes information on low and high temperature performance, and corrosion resistance as well as forming, heat treating, machining, joining, and surface treatment. Filing Code: Ni-198. Producer or source: Carpenter Technology Corporation.

Bismuth-Lead 55-45 is a bismuth-base eutectic alloy that melts at 255 F. It furnishes scientists and engineers with an easily castable material that is ready for use as soon as it freezes. It can be recovered readily and recycled into new uses any number of times. Its many uses include non-shrinking patterns, proof-casting, sealing heat-treating furnaces and bending large tubes (diameter greater than 13/4 inches). This datasheet provides information on composition, physical properties, hardness, and tensile properties. It also includes information on forming, heat treating, and machining. Filing Code: Bi-10. Producer or source: Producers of low-melting alloys.