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ASTM B564 Hastelloy C-276 Forged Ring

Size range: Size: OD: 92 mm, ID: 52.5 mm, THK: 30 mm
Material: Nickel Alloy C276 (Hastelloy C276/UNS N10276/W.Nr. 2.4819)
Used in: Oil, Offshore, Water, Ship, Natural Gas, Power, Pipe Projects etc

  • PRODUCT DETAIL

Type: Hastelloy C-276 Forged Ring
Material: Nickel Alloy C276 (Hastelloy C276/UNS N10276/W.Nr. 2.4819)
Size: OD: 92 mm
          ID: 52.5 mm
        THK: 30 mm
Standard: Custom Forgings/Non-standard Forgings

20230521091645 54895 - ASTM B564 Hastelloy C-276 Forged Ring

Drawing of ASTM B564 Hastelloy C-276 Forged Ring

What is Hastelloy C-276

Hastelloy C-276 is a Ni Mo CR superalloy added with tungsten, which has excellent corrosion resistance in a wide range of harsh environments. The high content of Ni and Mo makes the Ni steel alloy particularly resistant to pitting and crevice corrosion in reducing environment, while CR transfers the performance of anti-oxidation medium. Low carbon content can reduce the precipitation of carbides in the welding process, so as to maintain the corrosion resistance of the welding structure. This nickel alloy is resistant to the formation of grain boundary precipitation in the HAZ, so it is suitable for most chemical process applications under welding conditions.

Forging of Hastelloy C-276

The alloy is forged between 2250/1750ºF (1230/955ºC) following a soak at forging temperature of 30 minutes per inch of billet or ingot section thickness. Forging should be started immediately the stock is removed from the reheat furnace and 25/40% reductions help to retain as much internal heat as possible. For optimum corrosion resistance, forged parts should be subsequently annealed. See Heat Treatment.

Heat Treatment of Hastelloy C-276

The alloy is normally supplied in the solution-annealed condition. This treatment is carried out at 2050ºF (1120ºC) followed by water quench or rapid air cool. The treatment is performed after hot working to ensure optimum corrosion resistance and between cold- working operations.

Machinability of Hastelloy C-276

The alloy is considered moderate to difficult to machine, but can be machined using conventional methods. The alloy has a high work hardening rate, and efficient machining requires rigid and overpowered machines, sharp tools, preferably carbide-tipped, and heavy, constant feeds.

Weldability of Hastelloy C-276

The alloy welds in a similar manner to C-22 alloy. Gas-tungsten-arc welding (GTAW) and shielded-metal-arc welding (SMAW) are commonly used to weld C-276 alloy.
It is recommended that the alloy be in the solution-annealed condition for welding, and that C-276 filler metal be used.
Submerged-arc-welding is not recommended for this alloy as there is high heat input with this method and slow cooling of the weld. Neither is Oxyacetylene welding recommended, due to the danger of carbon pickup in the weld.

Hastelloy C-276 Forgings Equivalent Standard

STANDARD UNS WNR. AFNOR EN JIS OR GOST
Hastelloy C276 N10276 2.4819 NiMo16Cr15W NW 0276 ЭП760 ХН65МВУ

Chemical Composition – Alloy C276 (Hastelloy C276/UNS N10276)

Alloy
%
Ni
Cr
Mo
Fe
W
Co
C
Mn
Si
V
P
S
N10276
Min.
Remainder
14.5
15.0
4.0
3.0
Max.
16.5
17.0
7.0
4.5
2.5
0.010
1.0
0.08
0.35
0.04
0.03

Chemical Composition – DIN 17744 2.4819 

Alloy
%
Ni
Cr
Mo
Fe
W
Co
C
Cu
Mn
Si
V
P
S
2.4819
Min.
Rest
14.5
15.0
4.0
3.0
Max.
16.5
17.0
7.0
4.5
2.5
0.010
0.050
1.0
0.08
0.35
0.020
0.015

Mechanical & Physical Properties – Alloy C276 (Hastelloy C276/UNS N10276)

Density 8.89 g/cm3
Melting Point 1370 °C (2500 °F)
Tensile Strength Psi – 1,15,000 , MPa – 790
Yield Strength (0.2%Offset) Psi – 52000 , MPa – 355
Elongation 40%

Specifications – Alloy C276 (Hastelloy C276/UNS N10276)

Rod ASTM B574
Sheet & Plate ASTM B575
Tube & Pipe ASTM B622, ASTM B626, ASTM B619
Forgings ASTM B564

Why Forged Rings?

Typical problems associated with metal rings can frequently be traced to the metal-forming process. Cast rings are often plagued with substandard strength and integrity. Rolled and welded or cut rings out from plate are susceptible to fatigue and carry excess material and processing costs. 
The forging process produces rings with controlled grain flow, which gives strength and resistance to impact and fatigue not found in rings torch cut from plate or rolled and welded.

Forged Ring Advantages

  • Achieving structural integrity
  • Optimizing toughness
  • Enabling size versatility

Weights up to 60,000 lbs. in both ferrous and non-ferrous materials. The forging process produces rings with controlled grain flow, which gives strength and resistance to impact and fatigue not found in rings torch cut from plate, or rolled and welded.

Applications of ASTM B564 Hastelloy C-276 Forged Rings

The ASTM B564 Hastelloy C-276 Forged Rings present a revolution in heavy-duty materials, offering unmatched quality, durability, and versatility in various industries.
In Chemical Processing Industries
The Chemical Processing Industry often battles with highly corrosive substances, demanding materials that can withstand extreme conditions. Hastelloy C-276, thanks to its exceptional corrosion resistance, becomes the ultimate choice for such applications. Its robustness against potent chemicals, acids, and solvents positions it as the preferred material for manufacturing this industry’s pumps, valves, and heat exchangers.
In Oil and Gas Industries
The Oil and Gas Industry faces challenges from hostile environments such as high pressure and temperature. Hastelloy C-276 Forged Rings provide a sturdy and resistant solution. Their ability to withstand sour gas environments and exceptional stress-corrosion cracking resistance make them a premier choice for oil wellhead equipment, separation vessels, and piping systems.
In Aerospace and Defense
Reliability, precision, and durability are key in the Aerospace and Defense industry. The Hastelloy C-276 aligns perfectly with these requirements. The alloy’s excellent mechanical properties under high-stress conditions and resistance to oxidation at elevated temperatures contribute to manufacturing jet engine exhaust systems and other high-stress components, ensuring safety and durability.
In Power Generation
In Power Generation plants, efficiency is crucial. The ASTM B564 Hastelloy C-276 Forged Rings are the ideal fit due to their high thermal conductivity and low thermal expansion. These properties and their resistance to high temperatures and corrosive atmospheres make them essential in constructing boilers, turbines, and other power generation equipment.
In Pharmaceuticals
The Pharmaceutical industry demands materials that maintain purity and prevent contamination. The Hastelloy C-276 Forged Rings offer a hygienic solution with exceptional chemical resistance. Their ability to withstand sterilization makes them invaluable in constructing pharmaceutical reactors, storage tanks, and piping systems.
In Marine Applications
Marine environments are hostile to most materials, with saltwater corrosion a significant concern. However, the ASTM B564 Hastelloy C-276 Forged Rings thrive under such conditions. Their superb resistance to pitting, crevice corrosion, and stress-corrosion cracking makes them an outstanding selection for propeller shafts, fasteners, and navigational equipment in marine applications.
In Industrial Temperature Instrument Components
Temperature regulation is a crucial element in various industrial processes. The Hastelloy C-276 Forged Rings stand out in producing industrial temperature instrument components due to their superb thermal stability. Their high-temperature resistance ensures that critical instruments like temperature gauges, thermowell, and thermocouple sheaths maintain their structural integrity and precision even under severe thermal stress.

Production technology of forged ring

20210712232206 74631 - ASTM B564 Hastelloy C-276 Forged Ring

When forged rings are manufactured, open die processing procedures are implemented so that workers can make seamless rolled rings. The unique rolling method makes each ring have better concentricity and flatness. All forged rings can withstand strict tolerances and meet typical industrial requirements. Mandrel rings are manufactured for customers who need heavier rings or fewer supply rings.
Mill is used when seamless forged rings are manufactured in the manufacturing plant. Due to the different design size of the rolling mill, the outer diameter of each ring will be different. The smallest ring usually weighs about 300 pounds, and the largest ring usually weighs more than 300000 pounds.

Production process of forged rings

20210712231402 62720 - ASTM B564 Hastelloy C-276 Forged Ring

In the first stage, a round metal material is transformed into a hollow doughnut. The staff heated the doughnut until the surface crystallized. The metal is then placed on the mandrel or idler. Next, under strong pressure, the roller moves to the drive roller. It reduces the wall thickness by continuously rotating.

Many manufacturers can make seamless rings in a variety of configurations. Most enterprises require flat rings, cylindrical rings and rings that look like washers. The height of each ring is also different; The product can be made one inch high or more than nine feet high. However, the height to thickness ratio is usually between 1:16 And 16:1. If the customer needs several rings with large proportion, special treatment is needed. In general, rectangular rings are the most common, because their design is simple.

I. Raw Material Procurement
We commence our process with the meticulous selection of raw materials. Our choice revolves around high-end Nickel-Molybdenum-Chromium alloy or Hastelloy C276 (UNS N10276). The alloy stands out for its superior corrosion resistance, excellent fabricability, and thermal stability, making it an ideal raw material for crafting our top-grade ASTM B564 Hastelloy C-276 Forged Rings.
II. Calculation of the Cutting Weight
Once the raw material is procured, we calculate the precise cutting weight. This crucial step ensures that the material is optimally utilized and minimizes waste. We use state-of-the-art computer algorithms to generate the precise dimensions required for the cutting process. This meticulous attention to detail facilitates an efficient and streamlined manufacturing process.
III. Cutting Raw Materials
After determining the cutting weight, we proceed to the cutting phase. Utilizing high-precision cutting machinery, we ensure the raw material is sliced to the dimensions dictated by the earlier calculation. This step is carried out under stringent quality control measures to ascertain that the resultant pieces adhere strictly to the required specifications.
IV. Forging and Forming
The cut pieces then enter the forging and forming stage. We deploy the hot forging process, which enhances the density and homogeneity of the metal, leading to superior strength and robustness of the Hastelloy C-276 Forged Rings. Our team of experienced professionals monitors this crucial process, ensuring the attainment of precise dimensions and shapes.
V. Heat Treatment
Post the forging and forming process; heat treatment takes precedence. This phase plays a crucial role in enhancing the mechanical properties of the Hastelloy C-276 Forged Rings. We implement normalized and tempered heat treatment methodologies, which fortify the rings’ hardness, durability, and resistance to wear and tear.
VI. Rough Machining
We then move to the rough machining phase. The rough-hewn Hastelloy C-276 Forged Rings are shaped and sized using CNC machines, where the surplus material is removed to reveal a rough outline of the final product. It ensures an accurate and consistent base for the forthcoming precision processing phase.
VII. Precision Processing Technology
Upon completion of the rough machining, precision processing takes the helm. Our seasoned experts utilize advanced machinery to refine the rough machined rings further. This crucial process ensures adherence to the exact dimensional tolerances per the client’s specifications.
VIII. Quality Testing
Quality testing follows precision processing. Each piece of UNS N10276 Forged Ring is subjected to rigorous testing procedures, including dimensional checks, hardness tests, and non-destructive tests. It ensures our products consistently have superior quality and conformity to international standards.
IX. Typing and Packaging
The final phase of our manufacturing process is the typing and packaging. Our Hastelloy C-276 Forged Rings are meticulously labeled for easy identification and packaged with utmost care to ensure damage-free transit to our esteemed clients. We take immense pride in delivering our products in pristine condition, ensuring client satisfaction.
We believe in maintaining the highest standards of quality and precision throughout our manufacturing process. The manufacturing process of ASTM B564 Hastelloy C-276 Forged Rings is a testament to our commitment to delivering excellence in every product.

Yaang Tailored Solutions

  • Small or large quantities of open die or rolled rings
  • Up to 252″ maximum O.D.
  • Up to 49″ maximum face height
  • Rolled ring weights to 60,000 lbs., open die weights to 300,000 lbs.

Downstream processing such as heat treat, testing, machining, segmenting, parting or splitting can all be performed in house.

Yaang Forge Difference

At Yaang, we know the importance of getting your parts on-time, as expected. However, for customers new to procuring forgings, ordering a forging that will meet all specifications for end-use applications may be a challenge, which is why finding a trusted supplier and partner is essential. Our employee-owners are here to ensure your project stays on track with our forgings by offering:

  • Forge Design & Engineering Guidance
  • Finished Machining Options
  • Metallurgical Review, NDE & Destructive Testing
  • Forged Products

We offer many size forgings in both standard and unique geometries to meet your needs.

Complex Shapes

  • Bars
  • Step Shafts, Eccentric Shafts & Rotor Shafts
  • Hollows
  • Hubs & Tooled Forgings
  • Forged & Rolled Rings
  • Semi-Closed Die
  • Discs & Blanks

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How to purchase a high-quality Hastelloy C-276 Forged Ring?

Purchasing a high-quality Hastelloy C-276 Forged Ring requires a comprehensive understanding of the product, diligent consideration of various factors, and selecting a trusted supplier.

Factors to Consider When Buying Hastelloy C-276 Forged Rings

1. Material Quality
The first factor to consider when buying a Hastelloy C-276 Forged Ring is the quality of the material. Ensure the ring is made from genuine Hastelloy C276, corresponding to the UNS N10276 specification. This material should offer excellent resistance to a wide range of severe environments, reducing the risk of system failure due to corrosion.
2. Size and Specifications
The size and specifications of the forged ring should match the dimensions of the piping system. This includes the diameter, thickness, and bolt hole arrangement. A mismatched ring can cause leaks or system failures, leading to costly repairs or downtime.
3. Pressure Rating
The pressure rating of the ring is another crucial consideration. The ring must withstand the maximum pressure exerted by the system without compromising safety or efficiency.
4. Manufacturer’s Reputation
Selecting a forged ring from a reputable manufacturer ensures you get a product that meets industry standards. Check for certifications like ISO 9001, which indicate the manufacturer’s commitment to quality and customer satisfaction.
5. After-sales Support
Good after-sales support can differentiate between a seamless operation and frustrating downtime. Look for manufacturers that offer technical support, warranties, and quick delivery of replacement parts.
6. Price
While it might be tempting to opt for the least expensive option, remember that the price often reflects the quality of the ring. Consider the total cost of ownership, including potential repair costs and downtime, before deciding.
7. Environmental Considerations
The environmental conditions where the ring will be installed can also influence your choice. For instance, Hastelloy C-276 Forged Rings are ideal for harsh environments due to their superior corrosion resistance.

How to choose a trustworthy supplier of ASTM B564 Hastelloy C-276 Forged Ring?

Essential Factors in Choosing a Supplier

  • Track Record and Reputation: A supplier’s history and standing in the industry testify to their reliability. Look for a supplier with a solid record of delivering high-quality ASTM B564 Hastelloy C-276 Forged Rings.
  • Quality Certifications: A credible supplier will have all necessary certifications proving their adherence to stringent quality standards. This includes ISO certifications and adherence to ASTM International standards for Hastelloy C276 products.
  • Production Capabilities: You need a supplier with the technical prowess to produce non-standard forged rings according to your specifications. They should be able to manufacture these components in different sizes and ratings.
  • Delivery Time and Logistics: The supplier must guarantee timely delivery to avoid project delays. Their logistical capabilities, including shipping and handling, must be robust and efficient.

Assessing Quality Assurance and Testing Procedures

  • Their commitment to quality assurance is indispensable to choosing a trustworthy supplier. They should have rigorous testing procedures in place, including:
  • Material Testing: The supplier should ensure the raw Hastelloy C276 they use meets industry standards. This includes testing for chemical composition and mechanical properties.
  • Inspection and Testing of Flanges: Each ring should undergo meticulous inspections and tests after production. This can include dimensional checks, visual inspections, and non-destructive testing methods like ultrasonic and radiographic tests.

Customer Service and After-Sales Support

A reputable supplier values their customer relationship, offering excellent customer service and after-sales support. They should have a knowledgeable technical team capable of addressing any queries or concerns about their ASTM B564 Hastelloy C-276 Forged Rings.

China Forged Ring Manufacturer www.epowermetals.com offers ASTM B564 Hastelloy C-276 Forged Ring.

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