Alloy C276 Seamless Pipes
Alloy C276 Seamless Pipes is a low carbon content pipe which reduces carbide precipitation. This occurs during the welding of various alloy grades. Thaida Stainless Steel Manufacturing (Thailand) Co., Ltd. is a trusted manufacturer and supplier of Alloy C276 seamless pipes, offering various sizes in SCH 10 and SCH 40 schedules with polished surface finishes to meet diverse industrial needs. We manufacture these pipes in various sizes, SCH 10 and SCH 40 schedules and in a polished surface finish. This helps to meet different industrial needs. These seamless pipes are used for pollution control, exhaust pipes, heat exchangers and marine engineering applications. Our pipes comply with ASTM B622 standards.
About Alloy C276 Seamless Pipes
Alloy C276 seamless pipe is made up of a nickel molybdenum chromium alloy that has superior corrosion resistance properties. These pipes are designated as UNS N10276 and DIN 2.4819. The pipes have a high density of 8.89 g/cm3 and a melting point of 1370 °C. The addition of tungsten to the composition of the pipe makes it resistant to pitting and crevice corrosion. These pipes have good fabricability and maintain their structure and properties in harsh conditions.
Benefits of Alloy C276 Seamless Pipes in Industrial Use
Alloy C276 seamless pipes offer various benefits such as durability, minimal maintenance requirements and more which are explained below.
Superior Temperature Resistance
Alloy C276 seamless pipes have the ability to maintain their strength and structure at extremely high temperatures. That is why they are used for handling hot and reactive fluids without breaking.
High Mechanical Strength
These pipes have high tensile and yield strength due to their composition, which allows them to withstand high internal pressures.
Adaptability to Harsh Chemicals
Alloy C276 seamless piping does not react with acids, chemicals & chlorides. They are resistant and are therefore used for chemical and petrochemical processing.
Minimal Maintenance Requirements
These pipes do not degrade easily and need less maintenance because of their properties. This also reduces the need for replacements.
Ease of Fabrication
C276 Alloy seamless pipe is easy to weld, shape, and install. This advantage is very useful for industries with complex piping systems.
Long-Term Cost Efficiency
These pipes deliver reliable performance in various applications for a long period of time. This reduces replacement needs, which makes them cost effective.
Why Choose Our Alloy C276 Seamless Pipes?
Choosing a trusted supplier is important for the correct alloy C276 seamless pipes for your project. Thaida is globally a leading supplier known for delivering pipes that meet ASTM quality standards. We ensure each pipe is tested and delivered on time. Our pipes are available in custom sizes and finishes for specific applications. We pack them securely to avoid damage during transit.
Competitive Pricing
Global Exports Expertise
Large Inventory & Fast Delivery
Custom Sizes & Special Orders
Industry Certifications & Compliance
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In-House Testing & Full Traceability
Alloy C276 Seamless Pipes Specifications
The below alloy C276 seamless pipes specifications table include details of size, types, form, thickness and standards to help you identify the right pipe.
| Standard | ASTM B622/ ASME SB622 |
|---|---|
| Grade | C276 |
| Sizes | 15" NB TO 150" NB Inner Diameter of Pipes |
| Form | Hydraulic, Square, Rectangular, Round Etc. |
| Schedule Thickness Ranges | SCH XS, SCH 40, SCH 80S, SCH 5, SCH 80, SCH XXS, SCH 160, SCH10, All Schedules |
| Length | Suppliers in Single Random, Double Random, Cut to length |
| Surface Finish | 2B, No.1, No.4, No.8 Mirror Finish |
| Type | Seamless |
| End | Screwed, Beveled, Threaded, Plain |
| Delivery Condition | Annealed & Pickled, Polished, Bright & Annealed, etc |
Equivalent Properties of Alloy C276 Seamless Pipes
The equivalent table for alloy C276 seamless pipes includes global standards, grade names, and UNS designations for global reference.
| STANDARD | WERKSTOFF NR. | UNS | JIS | GOST | EN | OR |
|---|---|---|---|---|---|---|
| Alloy C276 | N10276 | 2.4819 | NW 0276 | ХН65МВУ | NiMo16Cr15W | ЭП760 |
Chemical Composition of Alloy C276 Seamless Pipes
The alloy C276 seamless pipe chemical composition table includes the percentages of elements like chromium, nickel, and carbon present in the alloy.
| Grade | Ni | Cr | Mo | Fe | W | C | Si | Co | Mn | V | P | S |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| HASTELLOY C276 | Balance | 14.50–16.50 | 15.00–17.00 | 4.00–7.00 | 3.00–4.50 | ≤0.01 | ≤0.08 | ≤2.50 | ≤1.00 | ≤0.35 | ≤0.04 | ≤0.03 |
Mechanical Properties of Alloy C276 Seamless Pipes
The mechanical properties of c276 seamless pipes like tensile strength, hardness, and elongation are given below to analyse pipe behaviour under stress conditions.
| Density | Melting Range | Yield Stress (0.2%Offset) | Tensile Stress | Elongation |
|---|---|---|---|---|
| 8.89 g/cm3 | 1370 °C (2500 °F) | Psi - 52,000 , MPa - 355 | Psi - 1,15,000 , MPa - 790 | 40 % |
Alloy C276 Seamless Pipes Manufacturing Process
1. Raw Material Selection
High-quality alloy billets and strips are carefully selected for superior strength and corrosion resistance.
2. Pipes Formation
The selected raw material is formed into pipes using seamless extrusion methods, depending on the application.
3. Heat Treatment
Pipes undergo required controlled heat treatment to enhance mechanical properties and relieve internal stresses.
4. Cold Working & Finishing
After heat treatment, pipes are cold-worked for better surface finish, dimensional accuracy and improved strength.
5. Quality Control and Testing
Every pipe is thoroughly inspected and tested to ensure it meets international quality standards for performance and reliability.
Applications of Alloy C276 Seamless Pipes
Alloy C276 seamless pipes are majorly used for constructing chemical processing equipment such as storage tanks & reactors. They are used for handling reactive chemicals. These pipes are also used in distillation columns, heat exchangers, and scrubbers in various industries.
Chemical and Petrochemical Industry
Oil and Gas Industry
Pharmaceutical & Biotechnology
Power Generation & Heat Exchange
Marine & Shipbuilding
Automotive & Transportation
Water Treatment & Plumbing
Construction & Infrastructure
Aerospace & Defense
FAQ's
Are Alloy C276 Seamless Pipes suitable for high-temperature applications?
Are Alloy C276 Seamless Pipes suitable for high-temperature applications?
Yes, Alloy C276 Seamless Pipes are suitable for high-temperature applications, because of their exceptional corrosion resistance and good mechanical strength at elevated temperatures. While they are not classified as a “high-temperature structural alloy” like some other superalloys, they retain excellent corrosion resistance up to about 1800 °F (982°C) in many aggressive media. Their service limit is often determined by the specific corrosive environment and mechanical stress.
Are Alloy C276 Seamless Pipes compatible with standard pipe fittings?
Are Alloy C276 Seamless Pipes compatible with standard pipe fittings?
Yes, Alloy C276 Seamless Pipes are generally compatible with standard pipe fittings made from the same or compatible alloys. They are commonly joined using standard techniques like welding (often with C276 filler material) or are connected using standard flange, elbow, and coupling fittings dimensionally specified under ASME/ANSI B16.9 or similar standards, provided the fitting material is appropriate for the corrosive service.
Are Alloy C276 Seamless Pipes lightweight compared to other alloy pipes?
Are Alloy C276 Seamless Pipes lightweight compared to other alloy pipes?
No, Alloy C276 Seamless Pipes are not considered lightweight. As a high-nickel-content alloy, Alloy C276 has a relatively high density, similar to or slightly greater than standard stainless steels and other nickel-based alloys (density 8.89 g\cm3). They are significantly heavier than materials like titanium or aluminum alloys. Their use is justified by their superior corrosion resistance, not their weight.
What is the typical service life of Alloy C276 Seamless Pipes in industrial applications?
What is the typical service life of Alloy C276 Seamless Pipes in industrial applications?
The typical service life of Alloy C276 Seamless Pipes is often measured in decades in industrial applications, particularly when installed in environments where less resistant materials would fail rapidly. Its extremely low corrosion rates in aggressive media allow for exceptionally long operational periods. However, the exact service life depends heavily on the specific operating conditions, including temperature, concentration of corrosive agents, flow rate, and mechanical stress. Proper design, installation, and maintenance are also key factors.
What is Alloy C276?
What is Alloy C276?
Alloy C276 is a nickel-molybdenum-chromium superalloy known primarily for its outstanding corrosion resistance in a wide range of severe environments. It contains minor additions of tungsten. It resists the formation of grain boundary precipitates in the weld heat-affected zone, making it suitable for use in the as-welded condition.
What is the specification of alloy C276 pipe?
What is the specification of alloy C276 pipe?
Alloy C276 seamless pipes are typically manufactured to specifications such as ASTM B622 (Standard Specification for Seamless Nickel-Molybdenum-Chromium-Iron Alloys Pipe) and ASME SB-622. Other relevant industry standards may include ASTM B575 (Plate, Sheet, and Strip), ASTM B574 (Rod, Bar, and Wire), and international standards like DIN 2.4819 and UNS N10276. These specifications govern the pipe’s dimensions, manufacturing process, chemical composition, mechanical properties, and testing requirements.
What is alloy C276 used for?
What is alloy C276 used for?
Alloy C276 is used in highly corrosive industrial environments where standard stainless steels and nickel alloys fail. Primary applications include Chemical Processing, Pollution Control, Oil and Gas, Pharmaceutical and Food Processing.
What is C276 pipe made of?
What is C276 pipe made of?
The C276 pipe is made of the nickel-molybdenum-chromium superalloy known as Alloy C276. Its composition typically includes approximately 57% Nickel (Ni), 16% Chromium (Cr), 16% Molybdenum (Mo), along with a maximum of 4% Tungsten (W), and very low carbon content. This specific alloy composition provides it high resistance to localized corrosion, stress corrosion cracking, and various oxidizing and reducing media.