Hastelloy Sheets

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Hastelloy sheets are a type of metal sheet that is highly resistant to corrosion and can withstand high temperatures. These sheets are made from a nickel-based alloy that contains chromium, molybdenum, and other elements. Hastelloy sheets are widely used in industries such as chemical processing, aerospace, and marine engineering due to their unique properties.

The corrosion-resistant properties of hastelloy sheets make them ideal for use in harsh environments where other metals would quickly degrade. They can withstand exposure to corrosive substances such as acids, alkalis, and salts without corroding or rusting. This makes them an excellent choice for chemical processing plants where corrosive substances are commonly used.

In addition to their corrosion resistance, hastelloy sheets also have excellent mechanical properties. They are strong and durable, yet lightweight compared to other metals with similar strength characteristics. This makes them ideal for use in applications where weight is a concern, such as aerospace engineering.

Another advantage of hastelloy sheets is their ability to withstand high temperatures. They can maintain their strength and shape even at temperatures above 1000°C (1832°F), making them suitable for use in high-temperature applications such as gas turbines and heat exchangers.
At Om steel, we prioritize product quality and customer satisfaction. Our Hastelloy sheets undergo rigorous testing to ensure they meet international quality standards. With our expertise and commitment to excellence, we strive to provide reliable solutions to our clients.

Types of Hastelloy Sheets

Hastelloy sheets are a type of nickel alloy that is known for its excellent corrosion resistance in highly corrosive environments. There are several types of hastelloy sheets available, each with unique properties and applications.

One of the most popular types is hastelloy C276 sheet, also known as hastelloy alloy C276 sheet. This type is resistant to pitting, crevice corrosion, and stress corrosion cracking in chloride-containing environments. It is often used in chemical processing equipment, pulp and paper production, waste treatment facilities, and more.

Another common type is hastelloy B2 sheet. This variant has excellent resistance to hydrochloric acid at all concentrations and temperatures. It is commonly used in chemical processing equipment such as reactors, heat exchangers, and distillation columns.

Other types include hastelloy X sheet (known for its high-temperature strength), hastelloy C22 sheet (resistant to both oxidizing and reducing environments), and hastelloy G30 sheet (resistant to phosphoric acid).

Types of Hastelloy C Sheet

Hastelloy C-276 Sheet

Hastelloy C-276 is a versatile alloy that offers excellent resistance to corrosion and oxidation in various environments. It contains nickel, molybdenum, and chromium with small amounts of tungsten and iron. The high molybdenum content makes it highly resistant to pitting and crevice corrosion. Hastelloy C-276 sheet is commonly used in chemical processing industries due to its excellent resistance to strong oxidizers like ferric and cupric chlorides, chlorine dioxide, and wet chlorine gas.

Hastelloy C-22 Sheet

Hastelloy C-22 is another popular alloy that offers superior resistance to both oxidizing and reducing environments. It contains nickel, chromium, molybdenum with small amounts of tungsten and iron. The high chromium content provides excellent resistance against oxidizing agents like ferric acids or chlorine-containing media while the molybdenum content provides protection against reducing media such as hydrochloric acid or sulfuric acid solutions. Hastelloy C-22 sheet is commonly used in chemical processing equipment such as reactors, heat exchangers, evaporators, scrubbers due to its exceptional performance against aggressive chemicals.

Hastelloy G Sheet

Hastelloy G is a nickel-chromium-molybdenum alloy with additions of copper and iron which enhances its corrosion resistance properties significantly compared to other alloys within the same family group as hastelloys c 276 and c 22. Hastelloy G sheet is commonly used in chemical processing industries due to its excellent resistance to oxidizing and reducing media, especially in high-temperature environments.

Hastelloy X Sheet

Hastelloy X is a nickel-chromium-iron-molybdenum alloy that offers exceptional strength and oxidation resistance at high temperatures up to 2200°F (1200°C). It contains higher amounts of chromium, molybdenum, and iron compared to other hastelloys which makes it more resistant to oxidation and corrosion in high-temperature applications. Hastelloy X sheet is commonly used in gas turbine engines, industrial furnace components, and heat-treating equipment due to its excellent high-temperature performance.

Hastelloy Sheets Specification

SpecificationsASTM A387 / ASME SA387
Thickness1mm-300mm
Width1000mm, 1219mm, 1500mm, 1800mm, 2000mm, 2500mm, 3000mm, 3500mm, 4050mm etc
Length2000mm, 2440mm, 3000mm, 5800mm, 6000mm, 12000mm, 15000mm etc
Surface2B, 2D, BA, NO.1, NO.4, NO.8, 8K, mirror, checkered, embossed, hair line, sand blast, Brush, etching Manufacturer and Supplier
FinishHot rolled plate (HR), Cold rolled sheet (CR)

Finishes Of Hastelloy C276 Sheets

GradesCMnPSSICrMo
ASTM A387 Grade 50.15 max0.3 – 0.60.0350.030.5 max4.00 – 6.000.45 – 0.65
ASTM A387 Grade90.15 max0.30 – 0.60.030.031.0 max8.0 – 10.00.9 – 1.1
ASTM A387 Grade 110.05 – 0.170.4 – 0.650.0350.0350.5 – 0.801.0 – 1.50.45 – 0.65
ASTM A387 Grade 120.05 – 0.170.4 – 0.650.0350.0350.15 – 0.40.8 – 1.150.45 – 0.6
ASTM A387 Grade 220.05 – 0.150.3 – 0.60.0350.0350.5 max2.0 – 2.50.9 – 1.1

Hastelloy C276 Sheets Standard

Plate Surface finishGauge (in)Width (max in)
2B – Cold rolled, heat treated, pickled, skin passed Plate10–2472*
2D – Cold rolled, heat treated, pickled plate12–2460
BA Mexinox only18–2848
Polished plate (not brushed)11–2460
Temper rolled plate Mexinox only13–2948

Equivalent Grades Hastelloy C276 Sheets

Plate Surface finishGauge (in)Width (max in)
2B – Cold rolled, heat treated, pickled, skin passed Plate10–2472*
2D – Cold rolled, heat treated, pickled plate12–2460
BA Mexinox only18–2848
Polished plate (not brushed)11–2460
Temper rolled plate Mexinox only13–2948

Chemical Composition of Hastelloy C276 Sheets

Plate Surface finishGauge (in)Width (max in)
2B – Cold rolled, heat treated, pickled, skin passed Plate10–2472*
2D – Cold rolled, heat treated, pickled plate12–2460
BA Mexinox only18–2848
Polished plate (not brushed)11–2460
Temper rolled plate Mexinox only13–2948

Mechanical Properties of Hastelloy B575 C276 Sheets

Plate Surface finishGauge (in)Width (max in)
2B – Cold rolled, heat treated, pickled, skin passed Plate10–2472*
2D – Cold rolled, heat treated, pickled plate12–2460
BA Mexinox only18–2848
Polished plate (not brushed)11–2460
Temper rolled plate Mexinox only13–2948

Industrial Application of Hastelloy Sheets

Defence & Aerospace

Defence & Aerospace

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Oil/Gas

Oil/Gas

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Speciality Valves & Vacuum

Speciality Valves & Vacuum

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Precision Components

Precision Components

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FAQ

What are the advantages of using Hastelloy sheets?

Hastelloy sheets offer several advantages, including excellent resistance to corrosion from a wide range of corrosive media, such as acids, alkaline solutions, and seawater. They also exhibit high strength, good ductility, and excellent thermal stability, making them suitable for challenging operating conditions.

What grades of Hastelloy are commonly used for sheets?

The most common grades of Hastelloy used for sheets include Hastelloy C276 (UNS N10276), Hastelloy C22 (UNS N06022), and Hastelloy B2 (UNS N10665). Each grade offers specific properties and corrosion resistance to different environments. Know more

What are the typical applications of Hastelloy sheets?

Hastelloy sheets find extensive use in industries such as chemical processing, petrochemical, oil and gas, pharmaceutical, and aerospace. They are used for fabricating components such as heat exchangers, pressure vessels, reactors, and various corrosion-resistant equipment.

What sizes and thicknesses are available for Hastelloy sheets?

Hastelloy sheets are available in a wide range of sizes and thicknesses to suit different application requirements. Common sheet sizes range from small dimensions for specialized applications to larger sheets for industrial applications. Thicknesses can vary from thin gauges to thicker plates. Know more