ASTM B829 Monel 400 Incoloy 625 Nickel Alloy Pipe: Nickel Alloys Seamless Pipe for General Requirements
Material Specification
ASTM B829 is a standard specification for nickel alloys, specifically focusing on seamless pipes. This specification covers Monel 400 and Incoloy 625, which are renowned for their excellent corrosion resistance and mechanical properties. These alloys are commonly used in industries where high performance and durability are required.
Key Features
- Corrosion Resistance: Both Monel 400 and Incoloy 625 exhibit exceptional resistance to a wide range of corrosive environments, including seawater, acids, and alkaline solutions.
- High-Temperature Stability: These alloys maintain their strength and integrity at elevated temperatures, making them suitable for high-temperature applications.
- Mechanical Strength: They offer excellent mechanical properties, including high tensile strength and toughness.
- Versatility: Suitable for various applications, including chemical processing, marine engineering, and oil and gas extraction.
Chemical Composition
The chemical composition of Monel 400 and Incoloy 625 is crucial for their performance characteristics. Below is a table presenting their typical chemical composition:
| Element | Monel 400 (%) | Incoloy 625 (%) |
| Nickel (Ni) | 63.0 min | 58.0 min |
| Copper (Cu) | 28.0 - 34.0 | - |
| Chromium (Cr) | - | 20.0 - 23.0 |
| Molybdenum (Mo) | - | 8.0 - 10.0 |
| Iron (Fe) | 2.5 max | 5.0 max |
| Manganese (Mn) | 2.0 max | 0.50 max |
| Silicon (Si) | 0.50 max | 0.50 max |
| Carbon (C) | 0.30 max | 0.10 max |
Mechanical Properties
The mechanical properties of these alloys are critical for their application in demanding environments. The table below outlines the typical mechanical properties:
| Property | Monel 400 | Incoloy 625 |
| Tensile Strength (MPa) | 550 min | 690 min |
| Yield Strength (MPa) | 240 min | 275 min |
| Elongation (%) | 30 min | 30 min |
| Hardness (Rockwell) | B75 max | B100 max |
Steel Grade
- Monel 400: Known for its excellent corrosion resistance and moderate strength, suitable for marine and chemical environments.
- Incoloy 625: Offers superior strength and resistance to oxidation and corrosion, ideal for high-temperature applications.
Application
- Chemical Processing: Used in equipment and piping systems due to their resistance to corrosive chemicals.
- Marine Engineering: Ideal for seawater applications, including valves, pumps, and heat exchangers.
- Oil and Gas: Suitable for downhole and surface applications where high strength and corrosion resistance are required.
- Aerospace: Used in engine components and other high-temperature applications.
Possible Alternative Grades
- Hastelloy C276: Offers similar corrosion resistance and is often used in chemical processing.
- Inconel 718: Known for its high strength and resistance to post-weld cracking, suitable for aerospace applications.
- Titanium Alloys: Provide excellent corrosion resistance and strength-to-weight ratio, often used in marine and chemical industries.
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.
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