Hastelloy is a kind of nickel based alloy. Hastelloy Alloy can be divided into two groups; one contains more molybdenum and the other contains more chromium. They all have excellent resistance to strong oxidizing solutions and high durability in reducing agents. Because of the low carbon content and less carbide precipitation during welding, they also have the ability to resist intergranular corrosion.
Description of Hastelloy Alloy
Hastelloy metal is a kind of nickel based alloy. Hastelloy Alloy can be divided into two groups; one contains more molybdenum and the other contains more chromium. They all have excellent resistance to strong oxidizing solutions and high durability in reducing agents. Because of the low carbon content and less carbide precipitation during welding, they also have the ability to resist intergranular corrosion.
Hastelloy metal is mainly used in the metal industry, rather than in the full form of nickel-chromium-molybdenum alloys. Hastelloy Alloy components include molybdenum, chromium, iron, tungsten, cobalt, manganese, copper, vanadium, phosphorus, silicon, and sulfur.
According to the grade and standard of the alloy, the composition is different. Each of these categories and levels has specific characteristics and applications. Hastelloy suppliers also sell all different grades of products. The products range sheet, coil, strip, wire, bar, etc. In addition to Hastelloy Metal, under the superalloy series, many grades include Inconel Alloys and Monel Alloys.
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Hastelloy Metal Sheets, Plates, Coils Specifications:
|Specifications||ASTM / ASME SB 575, ASTM / ASME SB 333|
|Dimensions||ASTM, ASME, and API|
|Size||3 mm to 120 mm.|
|Length||Single Random, Double Random & Cut Length|
|Grade||Hastelloy C276 (UNS N10276), Material Hastelloy C22 (UNS N06022), Hastelloy B2 (UNS N10665)，, etc.|
|Form||Coils, Foils, Rolls, Plain Sheet, Shim Sheet, Perforated Sheet, Chequered Plate, Strip, Flats, Blank (Circle), Ring (Flange)|
|Schedule||SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS|
|Finish||Hot rolled plate (HR), Cold rolled sheet (CR), 2B, BA NO(8), SATIN (Met with Plastic Coated), etc.|
Hastelloy Alloy Composition
|Alloy Type||Cr%||C%||Co%||W%||Mo%||V%||Ai%||Ti%||Nb %||Fe%||Cu%||Ni%||Other %|
|0.6||0.1||1.25||–||28||0.3||–||–||–||5.5||–||rest / bal||Mn 0.80; Si 0.70|
|Alloy B2||1||0.02||1||–||26.0-30.0||–||–||–||–||2||–||rest / bal||Mn 1.0, Si 0.10|
|Alloy C276||14.0-16.5||0.02||2.5||3.0-4.5||15.0-17.0||0.35||–||–||–||4.0-7.0||–||rest / bal||Mn 1.0; Si 0.05|
|Alloy X||22||0.1||1.5||0.6||9||–||–||18.5||–||–||–||rest / bal||Mn 0.6; Si 0.60|
|Alloy C||16||0.07||1.25||40||17||0.3||–||–||–||5.75||–||rest / bal||Mn 1.0; Si 0.70|
|Alloy C4||14.0-18.0||0.015||2||–||14.0-17.0||–||–||0..70||–||3||–||rest / bal||Mn 1.0 ; Si 0.08|
|Alloy N||7||0.06||0.25||0.2||16.5||–||–||–||–||3||0.1||rest / bal||Mn 0.40; Si 0.25; B 0.01|
|Alloy S||15.5||0.02||2||1||14.5||0.6||0.2||–||–||3||–||rest / bal||Mn 0.50; Si 0.40; B0.0009; La 0.02|
|Alloy F||22||0.02||1.25||0.5||6.5||–||–||–||2.1||21||–||rest / bal||Mn 1.50; Si 0.50|
|Alloy G||21.0-23.5||0.05||2.5||1||5.5-7.5||–||–||–||1.7-2.5||18.0-21.0||1.5-2.5||rest / bal||Mn 1.0-2.0; P0.04; Si 1.0;|
|Alloy G2||23.0-26.0||0.03||–||–||5.0-7.0||–||–||0.70-1.50||–||rest / bal||0.70-1.20||47.0-52.0||Mn 1.0; Si 1.0|
|Alloy W||5||0.06||1.25||–||24.5||–||–||–||–||5.5||–||rest / bal||Mn 0.050; Si 0.50|
Hastelloy Alloys Temperature Range
HASTELLOY B-3 alloy
400 – 450 Deg C (750 – 840 Degree F)
|400 – 450Deg C (750 – 840 Degree F)|
870 – 1230Deg C (1600 – 2250 Degree F)
704 to 871Deg C (1300 to 1600 Degree F)
|HAYNES 25 alloy|
980Deg C (1800 Degree F)
|HAYNES 188 alloy|
1095Deg C (2000 Degree F)
Hastelloy C 276 Alloys
Hastelloy C 276 alloy is a nickel-chromium-molybdenum alloy containing tungsten with extremely low silicon-carbon content and is considered a universal anti-corrosion alloy. It is mainly resistant to wet chlorine, various oxidizing chlorides, chloride salt solutions, sulfuric acid, and oxidizing salts, and has good corrosion resistance in low and medium temperature hydrochloric acid.
Therefore, in the past 30 years, in harsh corrosive environments, such as the chemical industry, petrochemical industry, flue gas desulfurization, pulp and paper, environmental protection, and other industrial fields, it has been widely used.
Specifications of Hastelloy C 276 Alloys
Common Trade Names include: Hastelloy C276, Alloy C-276, Nickel C-276; Nickelvac HC-276, Inconel C-276, Nicrofer 5716.
Executive standard: Standard Specification for Nickel Alloy Forgings ASTM B564 (UNSN 10276); Corrosion Resistant Alloy Forgings YB/T5264-1993
Testing Authoritative Third Party: National Iron and Steel Material Testing Center
Heat number: RP-WLQ25 Batch: 081120-A
Product material: Hastelloy C276 alloys
Product status: forging + solid solution
Products: Pipe, tube, flange, sheet, strip, plate, round bar, flat bar, hexagon, and wire, etc.
Sizes: According to customer requirements.
Package: According to customer requirements.
Hastelloy C276 Chemical Composition %wt:
Source： National Iron and Steel Material Testing Center (2008) Steel Test (H) No. 1508-2)
The results of the tensile test of Hastelloy C276 at room temperature (20℃):
|Material C276||Rm||Rp0.2||A (L0=50mm)||Remark|
|ASTM B564||≥690 MPa||≥283 MPa||≥40%||ASTM E8M-04|
|Material C276||Tensile Strength||Yield Strength (offset=0.2%)||Elongation (L0=50mm)||Remark|
|Financial results||795MPa||362MPa||64%||ASTM E8M-04|
Report source: National Iron and Steel Material Testing Center (2008) Steel Test (L) No. 2802.
Hastelloy C22 Alloy
C-22 Hastelloy alloy is one of the most commonly used nickel-chromium-molybdenum-tungsten alloys today. The alloy will surpass the performance of C-276, C-4, and Alloy 625 in various corrosive environments, and exhibits higher corrosion resistance to uniform corrosion and localized corrosion.
Hastelloy C-22 alloy is widely used in the incineration of hospital waste, municipal waste, and waste solvents, as well as the scrubber components of various industrial incinerators.
Hastelloy C22 Alloy chemical composition %wt:
Application of Hastelloy Alloy
Hastelloy alloy manufactures products in different standards in different forms and shapes for various applications. Hastelloy alloys are very resistant to oxidation and reduction; they perform well at low and high temperatures, are resistant to wet chlorine, and are resistant to most chlorides and chlorine derivatives.
They are widely used in sour gas wells, waste treatment plants, chemical processing components, pulp and paper industries, reaction vessels, heat exchangers, fans, and food processing equipment in chemical plants.
For guidance on choosing the right nickel based alloys for your application, please contact us.