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Hastelloy Alloys

Hastelloy Alloys

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.

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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.

Huaxiao has been engaged in metal export for more than ten years. It has a professional export operation team, a professional production and inspection team, etc. In addition to the product rules we show, we can also provide professional customized services.

Hastelloy Metal Sheets, Plates, Coils Specifications:

SpecificationsASTM / ASME SB 575, ASTM / ASME SB 333
DimensionsASTM, ASME, and API
Size3 mm to 120 mm.
LengthSingle Random, Double Random & Cut Length
GradeHastelloy C276 (UNS N10276), Material Hastelloy C22 (UNS N06022), Hastelloy B2 (UNS N10665),, etc.
FormCoils, Foils, Rolls, Plain Sheet, Shim Sheet, Perforated Sheet, Chequered Plate, Strip, Flats, Blank (Circle), Ring (Flange)
ScheduleSCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS
FinishHot rolled plate (HR), Cold rolled sheet (CR), 2B,  BA NO(8), SATIN (Met with Plastic Coated), etc.

Hastelloy Alloy Composition

Alloy TypeCr%C%Co%W%Mo%V%Ai%Ti%Nb %Fe%Cu%Ni%Other %
Hastelloy

Alloy B

0.60.11.25280.35.5rest / balMn 0.80; Si 0.70
Alloy B210.02126.0-30.02rest / balMn 1.0, Si 0.10
Alloy C27614.0-16.50.022.53.0-4.515.0-17.00.354.0-7.0rest / balMn 1.0; Si 0.05
Alloy X220.11.50.6918.5rest / balMn 0.6; Si 0.60
Alloy C160.071.2540170.35.75rest / balMn 1.0; Si 0.70
Alloy C414.0-18.00.015214.0-17.00..703rest / balMn 1.0 ; Si 0.08
Alloy N70.060.250.216.530.1rest / balMn 0.40; Si 0.25; B 0.01
Alloy S15.50.022114.50.60.23rest / balMn 0.50; Si 0.40; B0.0009; La 0.02
Alloy F220.021.250.56.52.121rest / balMn 1.50; Si 0.50
Alloy G21.0-23.50.052.515.5-7.51.7-2.518.0-21.01.5-2.5rest / balMn 1.0-2.0; P0.04; Si 1.0;
Alloy G223.0-26.00.035.0-7.00.70-1.50rest / bal0.70-1.2047.0-52.0Mn 1.0; Si 1.0
Alloy W50.061.2524.55.5rest / balMn 0.050; Si 0.50

Hastelloy Alloys Temperature Range

HASTELLOY B-3 alloy

400 – 450 Deg C (750 – 840 Degree F)

C-22

400 – 450Deg C (750 – 840 Degree F)
C-276

870 – 1230Deg C (1600 – 2250 Degree F)

N alloy

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

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Hastelloy alloy

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:

ElementCCrNiFeMoWSiMnSPVCo
Scope≤0.0114.5

/16.5

Balance4.0

/7.0

15.0

/17.0

3.0

/4.5

≤0.08≤1.0

0.04

≤0.03 ≤0.35≤2.5
Rongpin0.002315.81 5.33 15.973.770.0250.56<0.0010.0070.180.10

Source: National Iron and Steel Material Testing Center (2008) Steel Test (H) No. 1508-2)

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Hastelloy Composition C276

The results of the tensile test of Hastelloy C276 at room temperature (20℃):

Material C276RmRp0.2A (L0=50mm)Remark
ASTM B564≥690 MPa≥283 MPa≥40%ASTM E8M-04
Material C276Tensile StrengthYield Strength (offset=0.2%)Elongation (L0=50mm)Remark
Financial results795MPa362MPa64%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:

AlloyNickelChromiumMolybdenumTungstenIronNiobium*
C-22Balance221333

 

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.

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For guidance on choosing the right nickel based alloys for your application, please contact us.

DDifferences between Hastelloy C276 and Hastelloy C22

Hastelloy C276 (N10276) and C22 (N06022) In simple terms, the similarities and differences of the alloys are roughly similar and slightly different.

First, let’s take a look at the difference between the two materials:

C276 main components: 57NI-16MO-16CR-5FE-4W-2.5CO-1MN-0.35V-0.08SI-0.01C
C22 main components: 56NI-13MO-22CR-3FE-3W-2.5CO-0.5MN-0.35V-0.08SI-0.01C

It can be seen from the above that the main elements are not very different, especially in the content of NI, FE and CO, Mo and Cr are slightly different.

C22 is more resistant to local corrosion than 276, which can be understood as an upgraded version of 276.

In addition, Special Steel 100 Seconds also lists the difference between the two types of solder:

C276 welding material is welding wire ERnicrmo-4, welding rod Enicrmo-4

C22 welding material is welding wire ERnicrmo-10, welding rod Enicrmo-10

1. In terms of the difficulty of purchasing: C276 is easier to buy in spot market, with complete specifications, and C22 has only one or two alloy stockists.
2. In terms of use: C22 is better, but in general, both can be used in most working conditions.
3. In terms of material cost: the main components are not very different and should be calculated according to the cost. The density of C22 alloy (8.7) is lower than that of C276 alloy (8.9), which should be higher than that of C276. However, due to the lower cost, C22 cannot form mass production supply, and the cost is higher than that of C276.

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