Steel Pipe Suppliers and Manufacturers

Hastelloy B is a nickel-molybdenum alloy that provides excellent resistance to reducing and oxidizing environments, as well as to stress corrosion cracking and pitting. It has a high nickel content, which makes it highly resistant to corrosion by a wide range of chemicals, including hydrochloric, sulfuric, and hydrofluoric acids. Additionally, its molybdenum content provides resistance to reducing agents such as hydrogen sulfide and ammonia. Hastelloy B has a wide range of applications in various industries, including chemical processing, oil and gas, and petrochemical. It is commonly used in equipment such as pumps, valves, heat exchangers, and reactors, as well as in pipelines and fittings. The alloy can be easily fabricated and welded using standard techniques, and can be formed into a variety of shapes and sizes. It also exhibits good thermal stability, allowing it to maintain its mechanical properties even at high temperatures. However, Hastelloy B is not recommended for use in oxidizing environments where the presence of oxidizing salts, such as ferric or cupric salts, can cause rapid corrosion. It also has poor resistance to chloride-induced stress corrosion cracking, and should be used with caution in chloride-containing environments. Overall, Hastelloy B is a versatile and reliable alloy that offers excellent corrosion resistance in a wide range of environments, making it a popular choice for many industrial applications. Hastelloy B is a high-temperature and corrosion-resistant alloy, and its execution standards may vary depending on different countries and regions. Here are some of the main Hastelloy B standards: US Standards: ASTM B335: Standard specification for Hastelloy B hot-rolled seamless pipes, rods and wires; ASTM B333: Standard specification for Hastelloy B hot-rolled plates, sheets, and strips; ASTM B366: Standard specification for Hastelloy B welded and seamless fittings. European Standards: DIN 17751: Standard specification for high-temperature and corrosion-resistant Hastelloy B plates, strips, sheets, and rods; EN 10088-3: Stainless steels and corrosion-resistant steels Part 3 - Technical delivery conditions for stainless steel plates, sheets, and strips. Japanese Standards: JIS G4902: Standard specification for high-temperature and corrosion-resistant Hastelloy B plates, rods, wires, seamless pipes, and welded pipes. Chinese Standards: GB/T 15007: Standard specification for high-temperature and corrosion-resistant Hastelloy B hot-rolled plates, sheets, and strips; GB/T 15008: Standard specification for Hastelloy B hot-rolled seamless pipes and welded pipes; GB/T 15009: Standard specification for Hastelloy B rods and wires; GB/T 15010: Standard specification for Hastelloy B welded and seamless fittings. We can provide the following products:HastelloyB coil; Hastelloy B strip;Hastelloy B plate; HastelloyB sheets; Hastelloy B tube; Hastelloy B pipe;Hastelloy B flat; Hastelloy B bar

Hastelloy N is a nickel-chromium-molybdenum alloy with a small amount of tungsten, which offers excellent corrosion resistance in a variety of harsh chemical environments. The alloy is known for its resistance to both oxidizing and reducing conditions, as well as its ability to withstand stress corrosion cracking and pitting. Hastelloy N is primarily used in applications that involve high temperatures and corrosive environments, such as chemical processing, petrochemical refining, and nuclear fuel processing. The chemical composition of Hastelloy N typically includes 56-60% nickel, 20-23% chromium, 8-10% molybdenum, and 0.5-1.5% niobium/tantalum. The small amount of tungsten added to the alloy enhances its resistance to localized corrosion, particularly in environments containing sulfuric acid. Hastelloy N is available in a variety of forms, including plates, sheets, bars, wires, and pipes. The alloy can be welded using a range of techniques, including gas tungsten arc welding (GTAW), gas metal arc welding (GMAW), and shielded metal arc welding (SMAW). Overall, Hastelloy N offers excellent corrosion resistance, high-temperature strength, and good weldability, making it a popular choice for applications in harsh chemical environments. American standards: ASTM B619: Standard specification for Welded Nickel-Chromium-Molybdenum-Cobalt Alloy (UNS N06635) Pipe ASTM B622: Standard specification for Seamless Nickel-Chromium-Molybdenum-Cobalt Alloy (UNS N06635) Pipe and Tube ASTM B626: Standard specification for Welded and Seamless Nickel-Chromium-Molybdenum-Cobalt Alloy (UNS N06635) Pipe Fittings ASTM B366: Standard specification for Factory-Made Wrought Nickel and Nickel Alloy Fittings ASTM B574: Standard specification for Low-Carbon Nickel-Chromium-Molybdenum-Cobalt Alloy (UNS N06686, UNS N06688, UNS N06689, and UNS N08028) Bar and Wire ASTM B575: Standard specification for Low-Carbon Nickel-Chromium-Molybdenum-Cobalt Alloy (UNS N06686, UNS N06200, UNS N06030, UNS N08031, UNS N06035, UNS N08034, UNS N06022, UNS N06230, UNS N06625, UNS N08800, UNS N08811, and UNS N08890) Sheet and Strip European standards: EN 10095: Heat Resisting Steels and Nickel Alloys - Plate/sheet, strip, bars, forgings and seamless tubes - Part 1: List of materials EN 10216-5: Seamless steel tubes for pressure purposes - Technical delivery conditions - Part 5: Stainless steel tubes Japanese standards: JIS NW 0275: Nickel-Chromium-Molybdenum-Cobalt Alloy Plates, Sheets, Strips, Bars and Seamless Pipes (Hastelloy N) JIS NW 625: Seamless pipes and tubes made of corrosion resistant steel (Hastelloy) We can provide the following the products:Hastelloy N coil; Hastelloy N strip;Hastelloy N plate; Hastelloy N sheets; Hastelloy N tube; Hastelloy N pipe;Hastelloy N flat; Hastelloy N bar GB/JIS:NW2201/UNS:N10003/W.Nr:2.4634

Hastelloy S is a nickel-chromium-molybdenum-tungsten alloy with excellent corrosion resistance in a wide range of aggressive media. It was developed by Haynes International, Inc. and is specifically designed for use in highly oxidizing environments. Hastelloy S offers superior resistance to oxidizing and reducing environments, including hot sulfuric acid, sulfurous acid compounds, and hydrogen chloride gas. It also exhibits excellent resistance to localized corrosion, such as pitting and crevice corrosion, and has good resistance to stress corrosion cracking. Due to its exceptional corrosion resistance, Hastelloy S is widely used in the chemical processing industry, especially for applications involving highly corrosive acids, such as sulfuric acid and phosphoric acid. It is also used in pollution control equipment and in the production of pulp and paper. Hastelloy S can be fabricated using a variety of methods, including welding, forging, and machining. However, it is important to use appropriate techniques and equipment to avoid damaging the material's corrosion resistance properties. Overall, Hastelloy S is a highly reliable and durable alloy that offers exceptional performance in highly corrosive environments. American Standards: ASTM B619: Standard specification for welded hastelloy S tubes ASTM B622: Standard specification for seamless hastelloy S tubes ASTM B626: Standard specification for hastelloy S welded and seamless pipe fittings ASTM B366: Standard specification for hastelloy S welded and seamless fittings ASTM B574: Standard specification for hastelloy S rods and bars ASTM B575: Standard specification for hastelloy S plates, sheets, and strips European Standards: EN 10095: Standard specification for hot rolled, forged, and cold worked hastelloy S plates, sheets, strips, rods, and wires EN 10216-5: Standard specification for seamless steel tubes for pressure purposes - technical delivery conditions - part 5: stainless steel tubes Japanese Standards: JIS NW 0276: Standard specification for hastelloy S plates, sheets, strips, rods, and seamless pipes JIS NW 625: Standard specification for hastelloy S welded pipes Chinese Standards: GB/T 14994: Standard specification for nickel-based hastelloy S welded seamless steel tubes GB/T 15007: Standard specification for nickel-based hastelloy S plates, sheets, and strips GB/T 15013: Standard specification for nickel-based hastelloy S welded and seamless pipe fittings GB/T 14995: Standard specification for nickel-based hastelloy S welded steel pipes GB/T 15014: Standard specification for nickel-based hastelloy S rods and bars. We can provide the following the products:Hastelloy S coil; Hastelloy S strip;Hastelloy S plate; Hastelloy S sheets; Hastelloy S tube; Hastelloy S pipe;Hastelloy S flat; Hastelloy S bar GB/JIS:NW0276/UNS:N06635/W.Nr:2.4687

Haynes 625 is a nickel-chromium-molybdenum alloy with niobium/tantalum added to enhance its corrosion resistance and strength at elevated temperatures. It is one of the most widely used superalloys due to its exceptional mechanical properties, high corrosion resistance, and ease of fabrication. Haynes 625 has excellent resistance to pitting, crevice corrosion, and stress corrosion cracking in chloride-containing environments, making it suitable for use in marine and chemical processing applications. It also exhibits high resistance to oxidation and scaling at elevated temperatures up to 1000â??, making it suitable for use in high-temperature applications such as gas turbines, furnace components, and heat exchangers. Haynes 625 can be easily fabricated by various methods including welding, forging, and machining. It can be used in both as-welded and annealed conditions. It is available in various forms such as plates, sheets, bars, and tubes, and is widely used in industries such as aerospace, chemical processing, oil and gas, and nuclear power. US standards: AMS 5599: Specifies the standard specifications for Haynes 625 plate, sheet, and strip; AMS 5666: Specifies the standard specifications for Haynes 625 bars, wire, profiles, and forgings; AMS 5837: Specifies the standard specifications for Haynes 625 seamless or welded tubes; ASME SB 443: Specifies the standard specifications for Haynes 625 plate, sheet, and strip; ASME SB 446: Specifies the standard specifications for Haynes 625 bars and forgings; ASME SB 444: Specifies the standard specifications for Haynes 625 seamless and welded tubes. European standards: EN 2.4856: Specifies the standard specifications for Haynes 625 plate, sheet, strip, bars, and wire; EN 10216-5: Specifies the standard specifications for Haynes 625 seamless steel tubes. Japanese standards: JIS NW 625: Specifies the standard specifications for Haynes 625 plate, sheet, strip, bars, and seamless tubes; JIS NW 6692: Specifies the standard specifications for Haynes 625 welded tubes. Chinese standards: GB/T 14992: Specifies the standard specifications for Haynes 625 plate, sheet, and strip; GB/T 14994: Specifies the standard specifications for Haynes 625 welded seamless steel tubes; GB/T 15008: Specifies the standard specifications for Haynes 625 bars and forgings; GB/T 15010: Specifies the standard specifications for Haynes 625 seamless and welded tubes. We can provide the following the products:Haynes 625 alloy coil; Haynes 625 alloy strip;Haynes 625 alloy plate; Haynes 625 alloy sheets; Haynes 625 alloy tube; Haynes 625 alloy pipe;Haynes 625 alloy flat; Haynes 625 alloy bar GB/JIS:G4903/UNS:N06625/W.Nr:2.4856

Haynes 617 is a nickel-chromium-cobalt-molybdenum alloy with excellent high-temperature strength, good oxidation resistance, and excellent resistance to carburization and sulfidation. It is commonly used in gas turbine engine components, industrial furnace applications, and other high-temperature applications. Haynes 617 has a nominal composition of 44.5% nickel, 20-24% chromium, 8-10% molybdenum, 0.5% maximum copper, 0.15% maximum carbon, 1.0% maximum cobalt, 0.5% maximum silicon, 1.0% maximum manganese, 0.015% maximum sulfur, 0.015% maximum phosphorus, and the balance iron. Haynes 617 offers excellent mechanical properties at high temperatures, making it ideal for use in gas turbine engine components such as combustion liners, transition ducts, and exhaust systems. Its high-temperature strength and resistance to carburization and sulfidation make it suitable for use in industrial furnace applications such as radiant tubes, muffles, and retorts. In addition to its high-temperature strength and resistance to oxidation and carburization, Haynes 617 also offers good resistance to thermal shock and thermal fatigue. This makes it ideal for use in applications that require resistance to cyclic heating and cooling, such as gas turbine engine components and industrial furnace applications. Overall, Haynes 617 is a versatile high-temperature alloy that offers excellent mechanical properties and resistance to corrosion and oxidation in high-temperature environments. Its use in gas turbine engine components and industrial furnace applications has been well-established, and it continues to be an important material in these industries. US standards: AMS 5887: Standard specification for Haynes 617 plate, sheet, and strip; AMS 5888: Standard specification for Haynes 617 rod, wire, and bar; AMS 5889: Standard specification for Haynes 617 seamless or welded pipe; ASME SB 166: Standard specification for Haynes 617 rod, wire, and bar; ASME SB 167: Standard specification for Haynes 617 seamless pipe; ASME SB 168: Standard specification for Haynes 617 plate, sheet, and strip; ASME SB 564: Standard specification for Haynes 617 forgings. We can provide the following the products:Haynes 617 alloy coil; Haynes 617 alloy strip;Haynes 617 alloy plate; Haynes 617 alloy sheets; Haynes 617 alloy tube; Haynes 617 alloy pipe;Haynes 617 alloy flat; Haynes 617 alloy bar GB/JIS:NW 6617/UNS:N06617/W.Nr:2.4663

Haynes 718 alloy is a precipitation-hardening nickel-chromium alloy that offers high strength, toughness, and resistance to corrosion and high-temperature environments. It was developed in the 1950s for use in gas turbine engine components, and has since found a wide range of applications in other high-stress industries such as aerospace, nuclear, and chemical processing. The alloy is characterized by its excellent mechanical properties, including high tensile and yield strength, good ductility and toughness, and resistance to fatigue, creep, and stress-corrosion cracking. These properties are achieved through a combination of precipitation hardening and solid-solution strengthening, which involve heat treatment processes that cause the formation of fine, uniform precipitates within the metal matrix. Haynes 718 alloy also has good resistance to oxidation and other forms of corrosion, particularly in high-temperature environments. It is capable of maintaining its properties at temperatures up to around 1300�°F (700�°C), making it suitable for use in hot sections of gas turbine engines, nuclear reactor components, and other high-temperature applications. In addition to its mechanical and corrosion resistance properties, Haynes 718 alloy also has good weldability and machinability. It can be readily welded using a range of methods, and can be easily machined using standard metalworking techniques. Overall, Haynes 718 alloy is a versatile and reliable material that has proven itself in a wide range of demanding applications. Its combination of high strength, toughness, and resistance to corrosion and high-temperature environments make it an ideal choice for use in critical components where reliability and performance are paramount. Haynes 718 alloy standards vary by country. Here are some of the common ones: United States Standards: AMS 5596: Standard Specification for Nickel Alloy, Corrosion and Heat-Resistant, Sheet, Strip, and Plate, Haynes 718 AMS 5662: Standard Specification for Nickel Alloy, Bars, Forgings, and Rings, Haynes 718 AMS 5663: Standard Specification for Nickel Alloy, Bars, Forgings, and Rings, Haynes 718 (UNS N07718) AMS 5664: Standard Specification for Nickel Alloy, Bars, Forgings, and Rings, Haynes 718 (UNS N07718) AMS 5832: Standard Specification for Nickel Alloy, Corrosion and Heat-Resistant, Welding Wire, Haynes 718 AMS 5962: Standard Specification for Nickel Alloy, Corrosion and Heat-Resistant, Bars, Forgings, and Rings, Haynes 718 AMS 5838: Standard Specification for Nickel Alloy, Corrosion and Heat-Resistant, Welding Wire, Haynes 718SPF We can provide the following the prodcuts:Haynes 718 alloy coil; Haynes 718 alloy strip;Haynes 718 alloy plate; Haynes 718 alloy sheets; Haynes 718 alloy tube; Haynes 718 alloy pipe;Haynes 718 alloy flat; Haynes 718 alloy bar GB/JIS:NW7718/UNS:NW7718/W.Nr:2.4668

Hastelloy X is a high-temperature, corrosion-resistant nickel-chromium-iron-molybdenum alloy. It has excellent high-temperature strength and good oxidation resistance up to 1200�°C, making it suitable for use in a range of applications that require resistance to high temperatures and harsh environments. Hastelloy X is often used in gas turbine engine components such as combustor cans, flame holders, and transition ducts. It is also used in industrial furnace components such as muffles and radiant tubes, as well as in chemical processing equipment and heat exchangers. This alloy has a unique combination of mechanical properties that make it suitable for use in high-stress applications at elevated temperatures. It has good ductility, high strength, and excellent resistance to thermal fatigue and thermal shock. Additionally, it has good resistance to both oxidizing and reducing environments, including wet chlorine and sulfuric acid. Hastelloy X is typically supplied in the solution-annealed condition, which provides good ductility and toughness. It can be easily welded using common welding techniques, and can also be formed and machined using standard methods. Overall, Hastelloy X is a versatile and reliable alloy that offers excellent performance in high-temperature, corrosive environments. Its unique combination of properties makes it an ideal choice for a range of demanding applications in the aerospace, chemical processing, and industrial sectors. Here are the international standards for Hastelloy X: American Standards: AMS 5536: Standard Specification for Heat-Resistant Nickel Alloy Plate, Sheet, and Strip. AMS 5754: Standard Specification for Superstrength Alloy Wrought Nickel Alloys. AMS 5798: Standard Specification for Welding Wire, Corrosion Resistant, Nickel Alloy, Hastelloy X. ASTM B435: Standard Specification for UNS N06002 Alloy Plate, Sheet, and Strip. ASTM B572: Standard Specification for UNS N06002 Nickel Alloy Round Bar. European Standards: EN 2.4665: Nickel and nickel alloys - Plate, sheet, and strip. EN 2.4666: Nickel and nickel alloys - Bars and wire. EN 2.4667: Nickel and nickel alloys - Seamless tubes. EN 2.4694: Nickel and nickel alloys - Welded tubes. Japanese Standards: JIS NW 0675: Nickel and nickel alloys - Plate, sheet, and strip. JIS NW 0676: Nickel and nickel alloys - Bars and wire. JIS NW 0677: Nickel and nickel alloys - Seamless pipes and tubes. JIS NW 0678: Nickel and nickel alloys - Welded pipes and tubes. Chinese Standards: GB/T 14992: Nickel and nickel alloys - Plate, sheet, and strip. GB/T 14994: Nickel and nickel alloys - Bars and wire. GB/T 14996: Nickel and nickel alloys - Seamless tubes. GB/T 14997: Nickel and nickel alloys - Welded tubes. We can provide the following the products:Hastelloy X coil; Hastelloy X strip;Hastelloy X plate; Hastelloy X sheets; Hastelloy X tube; Hastelloy X pipe;Hastelloy X flat; Hastelloy X bar GB/JIS:HR505/UNSï¼?N06002/W.Nrï¼?2.4665

Hastelloy C is a nickel-chromium-molybdenum alloy that provides excellent corrosion resistance in a variety of harsh environments. It is commonly used in the chemical processing, petrochemical, and power generation industries for its high resistance to a wide range of corrosive media, including strong oxidizing agents, reducing environments, and hot contaminated solutions. Hastelloy C also exhibits good thermal stability, making it suitable for use in high-temperature environments. Its thermal conductivity is 67 Btu�·in/(hr�·ft�²�·�°F) (9.7 W/(m�·K)), and its coefficient of thermal expansion is 7.7 �? 10^-6 in/in/�°F (13.9 �? 10^-6 m/m/�°C). In addition to its excellent corrosion resistance and mechanical properties, Hastelloy C is also weldable and easily fabricated into a variety of shapes and forms. It can be cold worked, hot worked, and annealed for optimal performance. Overall, Hastelloy C is a versatile alloy that offers exceptional performance in a wide range of harsh environments. Its combination of corrosion resistance, mechanical properties, and thermal stability make it a popular choice for demanding applications in the chemical processing, petrochemical, and power generation industries. US Standards: AMS 5750: Standard specification for Hastelloy C steel bars and shapes; AMS 5786: Standard specification for Hastelloy C welding wire; AMS 5771: Standard specification for Hastelloy C plate, sheet, and strip; AMS 5757: Standard specification for Hastelloy C seamless pipe and tube; ASME SB 574: Standard specification for Hastelloy C forged fittings. European Standards: EN 2.4819: Standard specification for Hastelloy C steel bars, wire, and forgings; EN 10095: Standard specification for Hastelloy C plate, sheet, and strip; EN 10216-5: Standard specification for Hastelloy C seamless steel tubes; EN 10217-5: Standard specification for Hastelloy C welded steel tubes. Japanese Standards: JIS NW 6222: Standard specification for Hastelloy C plate, sheet, and strip; JIS NW 6022: Standard specification for Hastelloy C rods and wires; JIS NW 6220: Standard specification for Hastelloy C seamless pipes and tubes; JIS NW 6221: Standard specification for Hastelloy C welded pipes and tubes. Chinese Standards: GB/T 15006: Standard specification for Hastelloy C bars, wires, and profiles; GB/T 15008: Standard specification for Hastelloy C plate, sheet, and strip; GB/T 15011: Standard specification for Hastelloy C seamless pipes and tubes; GB/T 15012: Standard specification for Hastelloy C welded pipes and tubes. We can provide the following the products:Hastelloy C coil; Hastelloy C strip;Hastelloy C plate; Hastelloy C sheets; Hastelloy C tube; Hastelloy C pipe;Hastelloy N flat; Hastelloy C bar GBï¼?NA1002/JIS ï¼?NW6022/UNSï¼?N06455/W.Nrï¼?2.4819