ASTM B637 UNS N07080, UNS N07022, UNS N07208, UNS N07252, UNS N07001: Precipitation-Hardening and Cold Worked Nickel Alloy Tube for High Temperature Service
Material Specification
ASTM B637 is a specification that covers precipitation-hardening and cold worked nickel alloy tubes designed for high-temperature service. These alloys are known for their exceptional strength, corrosion resistance, and ability to withstand extreme temperatures, making them ideal for demanding applications in industries such as aerospace, power generation, and chemical processing.
Key Features
- High Temperature Resistance: These nickel alloys maintain their strength and integrity at elevated temperatures.
- Corrosion Resistance: Excellent resistance to oxidation and corrosion in harsh environments.
- Precipitation Hardening: Enhanced mechanical properties through heat treatment processes.
- Cold Workability: Improved strength and hardness through cold working processes.
Chemical Composition
The chemical composition of these nickel alloys is critical to their performance. Below is a table presenting the typical chemical composition for these alloys:
| Element | UNS N07080 | UNS N07022 | UNS N07208 | UNS N07252 | UNS N07001 |
| Nickel (Ni) | 70.0 min | 60.0 min | 70.0 min | 70.0 min | 70.0 min |
| Chromium (Cr) | 18.0-21.0 | 18.0-22.0 | 18.0-21.0 | 18.0-21.0 | 18.0-21.0 |
| Cobalt (Co) | 1.0 max | 1.0 max | 1.0 max | 1.0 max | 1.0 max |
| Molybdenum (Mo) | 0.5-1.5 | 0.5-1.5 | 0.5-1.5 | 0.5-1.5 | 0.5-1.5 |
| Titanium (Ti) | 2.0-2.7 | 2.0-2.7 | 2.0-2.7 | 2.0-2.7 | 2.0-2.7 |
| Aluminum (Al) | 1.0-1.8 | 1.0-1.8 | 1.0-1.8 | 1.0-1.8 | 1.0-1.8 |
| Iron (Fe) | 3.0 max | 3.0 max | 3.0 max | 3.0 max | 3.0 max |
Mechanical Properties
The mechanical properties of these alloys are crucial for their performance in high-temperature applications. The table below outlines the typical mechanical properties:
| Property | UNS N07080 | UNS N07022 | UNS N07208 | UNS N07252 | UNS N07001 |
| Tensile Strength (ksi) | 140 min | 140 min | 140 min | 140 min | 140 min |
| Yield Strength (ksi) | 100 min | 100 min | 100 min | 100 min | 100 min |
| Elongation (%) | 15 min | 15 min | 15 min | 15 min | 15 min |
| Hardness (Rockwell) | B90 max | B90 max | B90 max | B90 max | B90 max |
Steel Grade
The ASTM B637 specification covers several steel grades, each with unique properties tailored for specific applications. The grades include:
- UNS N07080
- UNS N07022
- UNS N07208
- UNS N07252
- UNS N07001
Application
These nickel alloy tubes are used in a variety of high-temperature applications, including:
- Aerospace: Components for jet engines and gas turbines.
- Power Generation: Tubing for heat exchangers and boilers.
- Chemical Processing: Equipment exposed to corrosive environments.
- Oil and Gas: Downhole tubing and other components in harsh conditions.
Possible Alternative Grades
While ASTM B637 alloys are highly specialized, there are alternative grades that may be considered depending on the specific requirements of the application:
- Inconel 718
- Hastelloy X
- Waspaloy
- Rene 41
TORICH Group, an one-stop service provider of raw materials engaged in raw material production, R&D and
trade, has 30+ years of experience in the market, exported to 56 +countries, and won good reputation and
credibility among domestic and foreign customers.
The company's production plant covers an area of over 10,000 square meters, with an annual production
capacity of 50,000 tons of materials and a comprehensive trading and warehousing capacity of 100,000 tons, which can satisfy customers' personalized needs for raw materials in terms of diversity and timeliness.
The group holds shares in more than ten domestic production entities, whose main products include
seamless steel pipes ( carbon steel and stainless steel), welded pipes ( carbon steel and stainless steel), pipe fittings ( carbon steel and stainless steel), titanium (titanium tubes, titanium rods, titanium cakes, titanium plates, etc.), aluminum (aluminum tubes, aluminum rods, aluminum die casting, aluminum casting, CNC machining), and CNC deep processing of metal materials such as tubes, rods, and casting parts.
Over the past 30 years, the company has been gradually developing new technologies and materials to meet
the growing needs of customers and various diversified needs, exporting to more than 56 countries and still
increasing the number of exporting countries, aiming to help customers to solve the demand for raw materials, and to facilitate one-stop purchasing for customers.
Q: Are you trading company or manufacturer ?
A: manufacturer,also can do trading.
Q: How long is your delivery time?
A: Generally speaking,it is 10-15 days if the goods are in stock,or it is 30-40 days if the goods are not in stock, it is according to quantity.
Q: Do you provide samples? is it free or extra ?
A: Yes, we could offer the sample for free charge but need pay the cost of freight.
Q: What is your terms of payment ?
A: Payment<=2000USD, 100% in advance. Payment>=2000USD, 30% T/T in advance ,balance before shippment.
If you have another question, pls feel free to contact with me.
Product Tags:
|
|
ASTM B637 N07080 Precipitation-Hardening And Cold Worked Nickel Alloy Tube For High Temperature Service Images
|
