Hastelloy Welded Pipe
As a leading supplier and manufacturer in China, GNEE Steel provides cost-effective nickel-based alloy products.
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Hastelloy is a corrosion-resistant alloy known for its outstanding performance in harsh environments. It is often used in welded pipe applications due to its unique combination of properties that make it suitable for a variety of industries. Composed of nickel, molybdenum, chromium, and other elements, Hastelloy alloys offer excellent resistance to corrosion, high temperatures, and erosion. These alloys exhibit extraordinary strength and durability, ensuring the integrity of welded pipes even under extreme conditions.
In addition, Hastelloy welded pipes offer excellent resistance to pitting, crevice corrosion, and stress corrosion cracking. They are highly reliable for corrosive applications in the chemical processing, oil and gas, and pharmaceutical industries. Hastelloy's versatility, reliability, and superior corrosion resistance make it a top choice for welded pipe applications where the integrity and service life of the pipe are critical.
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ASTM Specification |
ASTM B622 ASME SB 622/ ASTM B619 ASME SB 619 |
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Standard |
ASTM, ASME, JIS, AISI, AMS, EN, SAE, DIN, NF, TOCT, DS, DTD, GB |
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ASTM B622 Hastelloy Seamless Pipe Size |
4 to 219mm W. T.: 0.5 to 20mm |
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ASME SB619 Hastelloy Alloy Welded Pipe Size |
5.0 - 1219.2 mm |
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Hastelloy EFW Pipe size |
5.0 - 1219.2 mm |
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Swg & Bwg |
12 Swg., 10 Swg., 16 Swg., 14 Swg., 20 Swg., 18 Swg., |
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Hastelloy Alloy Pipe Schedule |
XS, SCH30, SCH40, XXS, SCH80, SCH120, SCH60, SCH140, STD, SCH10, SCH10S, SCH40S, SCH80, SCH20, SCH5, SCH160 |
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Hastelloy pipe Length |
Double Random, Single Random, Standard & Cut length Pipe |
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Finish |
Polished, AP (Annealed & Pickled), BA (Bright & Annealed), MF, NO.1, NO.4, 2B, BA, HL, 8K, Mirror finish, etc |
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Form |
Hastelloy pipe are available in form of Round, Square, Hollow, Rectangular, Hydraulic, Coiled, Straight Pipes, "U" Shape, Pan Cake Coils etc. |
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Type of Hastelloy Alloy Pipe |
Seamless / ERW/ EFW / Welded / Fabricated / CDW / DOM / CEW Hastelloy |
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Hastelloy pipe End |
Plain End, Beveled End, Treaded Pipe, Screwed ends |
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Marking on Hastelloy Alloy Pipe |
All ASTM B622 Hastelloy Pipes are marked as follows: Standard, Grade, OD, Thickness, Length, Heat No. (Or according to the customer's request.) |
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Application of Hastelloy pipe |
Dairy Pipe, Oil Pipe, Gas Pipe, Fluid Pipe, Boiler Pipe for Chemical Industry |
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Value Added Service |
Draw & Expansion as per required Size & Length, Polish (Electro & Commercial) Annealed & Pickled Bending, Machining Etc. |
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Specialize in |
Large Diameter Hastelloy pipe |
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Hastelloy pipe manufacturing Technique |
Cold drawn, hot drawn, bright annealed, solid solution, hot extruding |
What are the advantages of using Hastelloy welded pipes over other materials?
There are several advantages to using Hastelloy welded pipes over other materials in various applications. One of the key advantages is the excellent corrosion resistance of Hastelloy alloys. These alloys resist a wide range of corrosive environments, including acids, alkalis, chlorides, and oxidants. This corrosion resistance helps prevent pipe degradation, extending the life of the system and reducing maintenance costs.
Another advantage of Hastelloy welded pipes is their ability to withstand high temperatures. They maintain mechanical strength and integrity even under extreme high temperature conditions, making them suitable for applications involving high temperatures, such as petrochemical plants, refineries, and power generation facilities.
Hastelloy alloys also have excellent resistance to pitting, crevice corrosion, and stress corrosion cracking, which are common problems in corrosive environments. This ensures the reliability and safety of welded piping systems, especially in industries where leaks or failures can have serious consequences.
Hastelloy welded pipes have excellent mechanical properties, including high tensile strength and flexibility. This combination of strength and formability makes the fabrication and installation of pipes easy, saving time and resources during construction.
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