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The chemical composition of Incoloy 800H Pipe is a nickel-chromium-iron alloy that exhibits exceptional resistance to oxidation, carburization, and high-temperature corrosion. It retains the same composition as alloy 800, but with an elevated carbon content. This higher carbon content enhances its properties and performance in demanding environments.Incoloy alloy 800hOne outstanding aspect of ASTM B407 UNS N08810 is its exceptional fracture properties in temperatures exceeding 600 degrees Celsius. Moreover, even during prolonged usage, this alloy displays remarkable ductility. Furthermore, it boasts excellent resistance to oxidation, reduction, and nitriding in its surrounding environment, enabling it to remain stable even under high temperature conditions.
Incoloy Alloy 800H Pipe Tube Standard:
- The ASTM B407 provides a standard specification for seamless pipes and tubes made of nickel-iron-chromium alloys. This document outlines the requirements that must be met to ensure consistent quality and performance of these products. Manufacturers who produce nickel-iron-chromium alloy pipes and tubes must adhere to this standard to ensure that their products are fit for use in various applications. The ASTM B407 is an important resource for ensuring that nickel-iron-chromium pipes and tubes have the desired properties and meet relevant regulations.
- ASTM B514 is a standard that specifies the requirements for welded pipes made of nickel-iron-chromium alloy. The content provided in this material is aimed at producing a highly similar version by rearranging the original information. It is important to note that these statements are generated by a language model and may not accurately represent the actual content of the ASTM B514 specification. Therefore, for the accurate and official information, it is recommended to refer to the original document.
- The ASTM B515 standard specification pertains to welded tubes made of nickel-iron-chromium alloy. This specification outlines the requirements and guidelines that must be followed in the manufacturing and testing of these tubes.
It is essential that the tubes are welded correctly and possess the desired mechanical properties, such as high tensile strength, excellent corrosion resistance, and dimensional accuracy. Therefore, the standard specifies the various processes and techniques used in welding, finishing, and inspection of the welded tubes.
The ASTM B515 specification is widely accepted and used by industries that require nickel-iron-chromium alloy tubes, such as chemical processing, aerospace, and nuclear power. Adherence to this specification ensures the final product is of high quality and meets the desired performance standards.
Overall, the ASTM B515 standard specification for welded nickel-iron-chromium alloy tubes is crucial for ensuring the quality and consistency of these tubes, making them suitable for a range of applications that require high-performance materials.
Incoloy 800h Material Specification
| Standard | ASME SB407, SB514, and SB515 and their counterparts ASTM B407, B514, and B515 are specifications that describe seamless pipes made from nickel-chromium-iron alloys such as Incoloy 800, Incoloy 800H, and Incoloy 800HT. These alloys are known for their excellent resistance to oxidation, carburization, and corrosion under high-temperature conditions. B407 and SB407 specifications focus on seamless nickel-iron-chromium alloy pipes while B514 and SB514 specifications focus on welded nickel-iron-chromium alloy pipes. On the other hand, B515 and SB515 specifications cover welded pipes made from low-carbon austenitic nickel-chromium alloy steel for general corrosive service and high-temperature applications. These specifications ensure that the manufactured pipes have properties such as superior mechanical strength, ductility, and weldability, making them ideal for use in chemical, petrochemical, and power generation industries. |
| Standard | ASTM, ASME, and API |
| Tube Size | 15"NB – 150"NB |
| Thickness Range |
OD: 6.35 mm up to 254 mm WT: 0.6 TO 20 mm |
| Type | Seamless / ERW / Welded / Fabricated Pipes |
| Form | Round, Square, Rectangular, Oval, Hydraulic Etc |
| Length | Single Random, Double Random & Required Length |
| End | Plain End, Beveled End, Treaded |
| End Protection | Plastic Caps |
Incoloy 800h Chemical Composition
| Element | Alloy 800 | Alloy 800H |
| C | 0.10 max | 0.05 – 0.10 |
| Mn | 1.50 max | 1.50 max |
| Si | 1.00 max | 1.00 max |
| S | 0.015 max | 0.015 max |
| Cu | 0.75 max | 0.75 max |
| Fe | 39.50 min | 39.50 min |
| Ni | 30.00 – 35.00 | 30.00 – 35.00 |
| Cr | 19.00 – 23.00 | 19.00 – 23.00 |
Incoloy 800 Vs 800H
Incoloy 800H pipe has the same basic composition as Incoloy 800 but has significantly higher creep rupture strength. The higher strength comes from the tight control of carbon, aluminum, and titanium content and high-temperature annealing. Incoloy 800H seamless pipe is an alloy that is solution heat treated at 2100°F. In addition to being solution-treated, 800H material is a carbon-controlled version of Alloy 800 with improved high-temperature performance. Alloy 800H pipe exhibits high creep and stress-rupture characteristics at elevated temperatures from 1100°F to 1800°F.
Incoloy 800H Temperature Range
Incoloy 800H has high-temperature resistance which makes it suitable for use in applications involving high temperatures. It can typically withstand temperatures from about 600°C (1112°F) to about 1100°C (2012°F) without significant loss of mechanical properties.
Incoloy 800h Heat Treatment
Incoloy alloy 800h is typically annealed at temperatures ranging from 982°C to 1038°C (1800°F to 1900°F) to relieve stress and improve its high-temperature properties. This heat treatment process is followed by air cooling or rapid quenching in water.
Incoloy 800h Pipe Quality Test:
- Flattening test
- Pitting Resistance Test
- Hardness Testing
- Chemical Analysis – Spectral Analysis
- Micro and Macro Testing
- Flare Test Intergranular Corrosion (IGC) Test
- Mechanical testing such as area tensile
- Positive Material Identification (PMI Test)
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