ASTM B677 Incoloy 926 Tube UNS N08925, UNS N08354
UNS N08926 Nickel-Based Alloy Seamless Pipe
Introduction
Incoloy 926 is a high-performance nickel-based alloy known for its exceptional resistance to corrosion, particularly in harsh environments. This alloy is widely used in the chemical processing industry due to its ability to withstand aggressive chemicals and high temperatures. The ASTM B677 specification covers seamless pipes and tubes made from nickel-chromium-iron-molybdenum-copper alloys, including Incoloy 926.
Material Specification
- Standard: ASTM B677
- Alloy Designation: Incoloy 926
- UNS Numbers: N08925, N08354, N08926
- Form: Seamless Pipe and Tube
Key Features
- Corrosion Resistance: Excellent resistance to pitting, crevice corrosion, and stress-corrosion cracking.
- High Strength: Maintains strength at elevated temperatures.
- Versatility: Suitable for a wide range of applications in chemical processing, marine, and oil and gas industries.
- Durability: Long service life even in aggressive environments.
Chemical Composition
| Element |
Composition (%) |
| Nickel (Ni) |
24.0 - 26.0 |
| Chromium (Cr) |
19.0 - 21.0 |
| Molybdenum (Mo) |
6.0 - 7.0 |
| Copper (Cu) |
0.5 - 1.5 |
| Iron (Fe) |
Balance |
| Manganese (Mn) |
≤ 2.0 |
| Silicon (Si) |
≤ 0.5 |
| Carbon (C) |
≤ 0.02 |
| Phosphorus (P) |
≤ 0.03 |
| Sulfur (S) |
≤ 0.01 |
| Nitrogen (N) |
0.15 - 0.25 |
Mechanical Properties
| Property |
Value |
| Tensile Strength |
≥ 650 MPa |
| Yield Strength (0.2% Offset) |
≥ 295 MPa |
| Elongation |
≥ 35% |
| Hardness |
≤ 90 HRB |
Steel Grade
- Incoloy 926: Known for its enhanced resistance to corrosion and high mechanical strength.
Application
- Chemical Processing: Ideal for use in environments with sulfuric and phosphoric acids.
- Marine Engineering: Suitable for seawater applications due to its resistance to chloride-induced corrosion.
- Oil and Gas: Used in sour gas environments and for downhole tubing.
- Pollution Control: Employed in flue gas desulfurization systems.
Possible Alternative Grades
- Incoloy 825: Offers good corrosion resistance but with lower molybdenum content.
- Inconel 625: Known for its high strength and resistance to oxidation.
- Hastelloy C276: Provides excellent resistance to a wide range of corrosive environments.
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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
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Q: Are you trading company or manufacturer ?
A: manufacturer,also can do trading.
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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.
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