ASTM B444 UNS N06625 UNS N06852 UNS N06219 Inconel 625 Tube Nickel-Chromium-Molybdenum-Columbium Alloy Steel Tube For Desalination
Material Specification
ASTM B444 covers the specification for seamless and welded nickel-chromium-molybdenum-columbium alloy steel tubes, specifically designed for high-performance applications like desalination. The alloys in this specification, including UNS N06625 (Inconel 625), UNS N06852, and UNS N06219, are renowned for their exceptional resistance to corrosion and high-temperature strength.
Key Features
- Corrosion Resistance: These alloys exhibit excellent resistance to a wide range of corrosive environments, making them ideal for use in desalination plants.
- High-Temperature Strength: They maintain their mechanical properties even at elevated temperatures, ensuring reliability in demanding conditions.
- Versatility: Suitable for both seamless and welded tube applications, offering flexibility in manufacturing and installation.
- Durability: The inclusion of elements like molybdenum and columbium enhances the durability and longevity of the tubes.
Chemical Composition
The chemical composition of these alloys is critical to their performance. Below is a table detailing the typical composition:
| Element | UNS N06625 (Inconel 625) | UNS N06852 | UNS N06219 |
| Nickel (Ni) | 58.0 min | 55.0 min | 50.0 min |
| Chromium (Cr) | 20.0 - 23.0 | 20.0 - 23.0 | 20.0 - 23.0 |
| Molybdenum (Mo) | 8.0 - 10.0 | 8.0 - 10.0 | 8.0 - 10.0 |
| Columbium (Nb) | 3.15 - 4.15 | 3.15 - 4.15 | 3.15 - 4.15 |
| Iron (Fe) | 5.0 max | 5.0 max | 5.0 max |
| Others | C, Mn, Si, P, S | C, Mn, Si | C, Mn, Si |
Mechanical Properties
The mechanical properties of these alloys are equally important for their application in desalination. The table below outlines these properties:
| Property | UNS N06625 (Inconel 625) | UNS N06852 | UNS N06219 |
| Tensile Strength (ksi) | 120 min | 110 min | 115 min |
| Yield Strength (ksi) | 60 min | 55 min | 60 min |
| Elongation (%) | 30 min | 30 min | 30 min |
| Hardness (Rockwell) | B94 max | B92 max | B93 max |
Steel Grade
The steel grades covered under ASTM B444 include:
- UNS N06625 (Inconel 625): Known for its high strength and resistance to oxidation and corrosion.
- UNS N06852: Offers similar properties with slight variations in composition for specific applications.
- UNS N06219: Tailored for environments requiring enhanced corrosion resistance.
Application
These alloy steel tubes are primarily used in:
- Desalination Plants: Due to their resistance to seawater corrosion.
- Chemical Processing: For handling corrosive chemicals.
- Aerospace: In high-temperature engine components.
- Marine Engineering: For components exposed to harsh marine environments.
Possible Alternative Grades
While ASTM B444 alloys are highly effective, alternative grades may be considered based on specific requirements:
- Inconel 718: Offers similar corrosion resistance with enhanced strength.
- Hastelloy C276: Known for its superior resistance to pitting and crevice corrosion.
- Monel 400: Suitable for less demanding applications with good corrosion resistance.
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 B444 N06625 Inconel 625 Tube Nickel Chromium Molybdenum Columbium Alloy Steel Tube For Desalination Images
|
