Hastelloy X alloy is a Solid solution strengthening nickel base superalloy. The main Solid solution strengthening elements are Mo, W and Cr, which have good corrosion resistance and oxidation resistance. This alloy has good high-temperature performance and can be used for a long time below 900 ºC, with a short-term working temperature of 1080 ºC. Mainly used for manufacturing high-temperature parts such as blades and combustion chamber parts of aircraft engines, the forms of thermal cracks and erosion caused by them are now repaired by welding methods. Meanwhile, HastelloyX alloy can resist carbonization and nitridation.
Good antioxidant properties
Hastelloy X is an alloy with excellent oxidation resistance, reduction resistance, and neutral environmental capabilities, suitable for furnaces and jet engines, operating up to 1200 degrees Celsius. This alloy forms a protective and tough oxide film that does not peel off, thus maintaining oxidation resistance at high temperatures.
Resistance to carbonization and nitridation
Hastelloy X alloy is resistant to carburization and nitriding, which can lead to high-temperature alloy failure.
Good high-temperature strength, good formability and weldability
Hastelloy X alloy has good manufacturability. The work hardening rate of this alloy is equivalent to that of austenite. The mechanical processing performance in the annealed state is good. This alloy can be welded through most fusion and resistance. Hastelloy X alloy can be produced by AOD refining or Vacuum induction melting. Vacuum arc or Electro-slag remelting can be used to further refine the material.
Resistance to stress corrosion cracking
The thermal conductivity of Hastelloy X alloy is lower than that of ordinary alloy stainless steel, and larger gaps need to be left when using standard grooves to ensure complete penetration of the weld seam. Spot welding requires relatively long welding time and water cooling to form a complete fusion nucleus, avoid coring or corrosion isolation, and treat seam welding differently. Intermittent driving operations are required to facilitate welding with maximum forging pressure, eliminate cracks, and minimize deformation. Fusion welding has high ductility, and it is recommended to use TIG welding for sheets below 3.2mm and MIG welding for sheets above 3.2mm. Hastelloy X can also use appropriate procedures and brazing alloys to braze alloys. Large or complex fusion welds are usually subjected to stress relief heat treatment.
Hastelloy X smelting process:
Hastelloy X alloy can adopt the process of electric arc furnace+electroslag or non vacuum induction furnace+Electro-slag remelting. The production of castings uses an induction furnace to remelt the parent alloy and pour it into a heated mold shell.
Hastelloy X forging process:
Hastelloy X alloy with forging heating temperature of 1170 ºC± 10 ºC, and final forging temperature not less than 950 ºC; The heating temperature of slab hot rolling is 1150 ºC± 10 ºC, and the final rolling temperature is not less than 850 ºC;
The heating temperature of the environmental components is 1170 ºC± 10 ºC.
Hastelloy X heat treatment process:
Plate solid solution treatment: 1150 ºC± 10 ºC, 2-15 minutes, rapid air cooling.
Welding or flame tube treatment: 980 ºC± 10 ºC, 60min, air cooled.
Stress relief treatment after machining: 870 ºC± 10 ºC, 30-60 minutes, air cooled.
Stable dimensional treatment of parts: 760 ºC± 10 ºC, 2 hours, air-cooled.
Due to its corrosion resistance in various atmospheres at high temperatures and excellent high-temperature strength, HastelloyX has been widely used in various high-temperature environments.
Industrial and aviation steam turbines (combustion chambers, rectifiers, structural covers)
Industrial furnace components, support rollers, grid plates, ribbons, and radiation tubes
Spiral tube in Petrochemistry furnace
High temperature gas cooled nuclear reactor
Company Profile
Wuxi Dingyu Xinda Special Steel Co., Ltd. has world-class metallurgical equipment, mature and stable technology, and safe and reliable process flow. The smelting of special functional superalloys adopts the VIM+VAR dual vacuum dual process and the VIM+PESR+VAR triple process for smelting production; Vacuum induction melting (VIM), vacuum consumable (VAR), atmosphere protected electroslag remelting (PESR) and conventional process IF+AOD+LF+VOD metallurgical equipment. Processing equipment such as heat treatment furnaces, peeling machines, rolling straightening machines, cold drawing machines, and coreless grinders; German Spike direct reading spectrometer, hardness machine, tensile machine, impact testing machine, automatic and manual ultrasonic non-destructive testing machine, eddy current non-destructive testing machine, corrosion testing machine,salt spray testing machine, German Leica metallographic microscope and other complete testing equipment. Since 2005, Dingyu Xinda has successively passed the certifications of Lloyd's ISO quality system and PED, IATF16949, ISO13485, KR Classification Society of Korea, and AD2000 in Germany. A high-tech enterprise specializing in the research and development of high-quality special alloy functional new materials, has been committed to providing safe and reliable products for global nuclear power and high-end equipment manufacturing. The company has been focusing on special stainless steel, nickel based alloys, precision alloys, high-temperature alloys, corrosion-resistant alloys, Hastelloy alloy special steel pipes, plates, bars, profiles and forgings, pipe fittings, and flanges for 31 years.The products can also be processed according to customer drawings, and are widely used in fields such as pump valve nuclear power, aviation and military industry, automobiles and ships, medical equipment, marine engineering and petrochemical, light rail high-speed rail, compressors, turbines, etc.
Supply materials: 310S, 309S, 309Si2, 310SSi2, 254SMo, 253Ma, 904L, 304Lmod, 724L, 725LN, 316MoD, 310MoD, 310MoLN, S31050, TP316Ti, 630, 631, 17-4PH, UNS S32101, UNS S32304, UNS S31500, UNS S31803, UNS S32205, UNS S32750, UNS S32707, UNS31260, UNS 32760, UNS 39274, 304/L, 316/L, 32270 1. 347, 304H/321H/347H/347HFG/316H/316Ti/304LN/316LN/317/L/310S/310HCBN S30815/314/904L, AL-6XN No8367, N04400, N06600, N08800, GH3030, H3039, N08825, N06625, N10276, 2507, Incoloy 800, 800H, Incoloy 825, S31254, F55, S32160, 2520Si2 (S314), 0Cr25Ni22Mo2N, 901, Income926/1.4529, Incoloy 800HT, Incoloy 8020, Incoloy 825, Inconel 601, Inconel 600, Inconel 625, GH3030, GH3039, GH2080, GH140, G3, G30 series, HaC-22, HaC-276, HaC-4, HaB-2, HaB-3, etc.
All products of our company comply with national standards (GB), American standards (ASME, ASTM), Japanese standards (JIS), EN (European standard), GOST (Russian standard), our company holds the ISO9001-2008 quality system certificate issued by TUV Rheinland in Germany and the PED/97/23/EC certificate for pressure equipment in the European Union, holds the API 6A and API 17D certificates issued by the American Petroleum Association API, and is also certified by the Eight Nation Classification Society.
F A Q
1. How can I know whether you are a reliable company?
We have been engaged in the steel industry for nearly 7 years and have a high reputation in China, We welcome you to inspect our company at any time.
2. Can you guarantee your products?
Yes, we guarantee your 100% satisfaction on all our products. Please feel free to feedback us immediately.
3. Do you provide samples?
Yes, we can provide most of the product samples. We will charge a little sample fee. But we will return the charge if you place an order. if you asked to use DHL, Blue Dart Express, FedEx, etc. to send samples, you can inform us in advance to prepare.
4. Can I visit your company?
Of course, If you want to order our products and visit our company, please contact us to make an appointment.
5. Can you make boxes according to my request ?
Yes,customization service is available,OEM business is appreciated.
When you place the orders,we arrange the production asap,When finish the orders, we will inform you and also we arrange the shipping in the same time.
6. How much is the freight?
It depends on the number and transport methods. When asked about the freight, we want you to let us know your detailed information , such as the product name and quantity and your favorite mode of transport, as well as your designated port or airport. We thank you for providing us the information to estimate the cost.
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