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pyrolysis furnaces

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Journal Articles
Alloy Digest (1997) 46 (5): SS-682.
Published: 01 May 1997
... 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...
Journal Articles
Alloy Digest (1996) 45 (1): SS-629.
Published: 01 January 1996
... Märker G-4849 is a 18Cr-38Ni heat resistant alloy casting for the petrochemical plants. Applications include pyrolysis furnaces and furnace headers. This datasheet provides information on composition, physical properties, and tensile properties as well as creep. It also includes information...
Journal Articles
Alloy Digest (1996) 45 (2): SS-635.
Published: 01 February 1996
... Märker G-4857M is a 25Cr-37Ni-Mo alloy with good creep rupture strength and good resistance to carburization. and oxidation. The alloy is used as tubes and castings for reformer and pyrolysis furnaces. It can be used to 1100 deg C (2000 deg F) in air or combustion gases. This datasheet provides...
Journal Articles
Alloy Digest (1998) 47 (10): SS-731.
Published: 01 October 1998
... for tubes in pyrolysis furnaces and in reformers, replacing alloys such as HK-40 and HP wherever higher operating temperatures, pressures, and through-puts have dictated upgraded material properties. Forms Available: Centrifugally cast tubes. cast fittings Applications: Pyrolysis furnace tubing, reformer...
Journal Articles
Alloy Digest (2001) 50 (7): Ni-570.
Published: 01 July 2001
...-chromium alloy de- veloped for ethylene pyrolysis service at temperatures up to 1130 °C (2066 °F). Carburization resistance is significantly higher than the HP-modified alloys, while creep strength is greater than that of KHR35C Hi Si. KHR45A is Kubota s pre- miere material for ethylene pyrolysis furnaces...
Journal Articles
Alloy Digest (2012) 61 (3): SS-1116.
Published: 01 March 2012
... the base of an extensive family of Kubota alloys that are modified by single or multiple additions of cobalt, molybdenum, niobium, titanium, and tungsten. These higher- strength alloys are used extensively in reformer and pyrolysis furnaces in the petrochemical industry. Product Forms Available: Horizontal...
Journal Articles
Alloy Digest (1993) 42 (12): SS-559.
Published: 01 December 1993
... INCOLOY alloy 803 is a high-temperature corrosion-resistant, nickel-iron-chromium alloy, developed by Inco Alloys International for pyrolysis in high-severity ethylene furnaces, and for other petrochemical applications where high levels of oxidation-, carburization-, and/or sulfidation-resistance...
Journal Articles
Alloy Digest (2016) 65 (9): SS-1249.
Published: 01 September 2016
... MTEK 25-35MA is a solid solution microalloyed Fe-Ni-Cr-Nb casting alloy with good high-temperature creep strength. It is intended for use in pyrolysis cracker furnaces. This datasheet provides information on composition, physical properties, and tensile properties as well as creep. It also...
Journal Articles
Alloy Digest (1995) 44 (8): SS-603.
Published: 01 August 1995
... carburization and oxidation and can be usedinairupto1150 C(2102 F). Specification Equivalents: Werkstoff-Nr - 1.4857 DIN: G-X 40 Ni Cr Si 35 25 SEW: 595 ASTM - A297 Grade HP Reformer and pyrolysis furnaces Products Available: Tubes and castings. Producer: Schmidt + Clemens Houston, TX 77036 7 13-270- 1120 ...
Journal Articles
Alloy Digest (2001) 50 (6): Ni-569.
Published: 01 June 2001
... are steam cracking pyrolysis (transfer lines), pyrolysis furnace outlet lines and collectors, steam reformer (outlet headers), and styrene and ethylene dichloride (EDC) handling, all with a maximum operating temperature of 1000 °C (1832 °F). Producer: Schmidt & Clemens Inc. In Germany: 9618 Green Valley...
Journal Articles
Alloy Digest (2013) 62 (7): SS-1148.
Published: 01 July 2013
... resistance combined with suitable stress rupture strength, creep resistance, and aging ductility. Main high temperature applications for the material are: steam cracking (transfer lines) pyrolysis furnace outlet lines, collectors steam reforming (outlet headers) styrene, EDC Maximum operating...
Journal Articles
Alloy Digest (1999) 48 (6): SS-746.
Published: 01 June 1999
... centrifugal cast- ings, static castings, formed fittings, and sweeps. Applications: This alloy is used for reformer and pyrolysis furnace manifolds, headers, transfer lines, outlet lines, reducers, wye fittings, decok- ing units, and heat treatment furnace hardware. ©Copyright 1999, ASM International. All...
Journal Articles
Alloy Digest (1977) 26 (11): SS-228.
Published: 01 November 1977
... for direct reduction plants: (2) Hcat- treating furnace parts such as radiant tubes, rolls, trays, fixtures, retorts, conveyor belts, roller rails and mdesmg devices; (3) Petrochemical furnaces for reforming and pyrolysis furnace tubes, return bends, hangers, support rods and fittings; (4) Cement kilns...
Journal Articles
Alloy Digest (1995) 44 (1): SS-578.
Published: 01 January 1995
... operations, and also resists stretch- ing. The alloy may be welded by metal arc (SMAW) or inert gas shielded arc (GTAW and GMAW) welding processes using matching filler material. Applications: Heater, modem pyrolysis or cracker coils. For furnace equipment such as supports, hangers and rollers. Producer...
Journal Articles
Alloy Digest (2008) 57 (6): Ni-663.
Published: 01 June 2008
... KHR45A 0.94 UCX 0.40 Oxidation resistance to cyclic oxidation at 1150 °C (2100 °F) Applications: Ethylene pyrolysis tubes and fittings, cracking furnace coils, superheater tubes, direct-reduction furnace assemblies. Producer: Kubota Metal Corporation, Fahramet Division Orillia, Ontario, Canada L3V 6L6...
Journal Articles
Alloy Digest (2001) 50 (8): Ni-571.
Published: 01 August 2001
...: Horizontal and vertical centrifugal castings; static castings Applications: Ethylene pyrolysis outlets and fittings and direct reduction furnace assemblies Producer: Kubota Metal Corporation, Fahramet Division 25 Commerce Road, P.O. Box 1700 Orilla, Ontario, Canada, L3V 6L6 (705) 325-2781 (800) 461-0260 (705...
Journal Articles
Alloy Digest (1995) 44 (2): SS-580.
Published: 01 February 1995
... primarily for appli- cations up to 1000°C which are subjected to high stresses, thermal fatigue or even thermal shock. For nearly twenty years, CR32W has been widely used for outlet headers or manifolds in reformer furnaces, and also used for collectors and transfer lines in pyrolysis plants...
Journal Articles
Alloy Digest (1998) 47 (11): SS-733.
Published: 01 November 1998
... MO-RE 10MA is a fully austenitic heat-resistant casting alloy with microalloy additions. This alloy has exceptional strength and superior carburization resistance for extended service. Typical uses include pyrolysis and reformer tubing. This datasheet provides information on composition, physical...
Journal Articles
Alloy Digest (1995) 44 (12): Ni-492.
Published: 01 December 1995
... for 260 hrs. in a pack carburizing compound. Figure 2 - Dynamic oxidation Test parameter: The tests were conducted by exposing samples 0.395 in. x 0.395 in. x 0.787 in. to furnace air at indicated temperatures. Samples were removed from the furnace every 7 hrs. and cooled to FIT and then rein- serted...
Journal Articles
Alloy Digest (1995) 44 (5): SS-594.
Published: 01 May 1995
... of pyrolysis cracker furnace coils where carburization resistance even greater than H39W is required, and peak temperatures can exceed 1135°C. The high creep rupture design strength (one of the high- est available in a cast heat resisting alloy) also make it ideal for steam reformer furnaces where high tube...