UNS N06690 Alloy Steel Plate Supplier | Specifications, Equivalent Materials, and Price

UNS N06690 alloy steel plate, widely recognized as a high-performance nickel-chromium-iron superalloy, is supplied by Gangsteel. Known for its exceptional corrosion resistance in nuclear, chemical, and high-temperature environments up to 2000°F (1093°C), UNS N06690 material excels in applications like nuclear steam generators and petrochemical processing.

As a leading stainless steel supplier in China, Gangsteel offers UNS N06690 plate, sheet, bar, and custom components, meeting ASTM B168, ASME SB-168, and AMS 5540 standards. This page details the UNS N06690 chemical composition, mechanical properties, equivalent materials, comprehensive specifications, and applications, along with competitive UNS N06690 price per kg. Explore our nickel alloy steel grades for related alloys like UNS N07718, UNS N06002, and UNS N10276.

1. What is UNS N06690?

UNS N06690is a nickel-based superalloy engineered for superior corrosion resistance, particularly in nuclear and aggressive chemical environments. With high nickel (58% min) and chromium (27.0-31.0%), UNS N06690 material offers excellent resistance to stress-corrosion cracking, oxidation, and sulfuric acid corrosion, making UNS N06690 alloy steel plate ideal for nuclear steam generator tubes and chemical processing equipment. Compared to UNS N06625, UNS N06690 provides enhanced resistance to nuclear water environments due to its higher chromium content.

Gangsteel’s UNS N06690 is tailored for high-performance applications, offering a robust alternative to nickel alloy steel grades like UNS N07750 and UNS N06022.

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2. UNS N06690 Chemical Composition

The UNS N06690 chemical composition, compliant with ASTM B168 and AMS 5540, is optimized for corrosion resistance in nuclear and chemical environments, with high chromium for enhanced protection.

Note: The high chromium content ensures UNS N06690 corrosion resistance in nuclear water and acidic conditions, outperforming UNS N06600 in stress-corrosion cracking resistance.

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3. UNS N06690 Mechanical Properties

The UNS N06690 mechanical properties, tested per AMS 5540, provide a balance of strength and ductility, making UNS N06690 alloy steel plate suitable for nuclear and chemical applications.

• Yield Strength: Supports UNS N06690 material in high-stress nuclear environments.
• Tensile Strength: Ensures durability for Inconel 690 plate in corrosive systems.
• Elongation: High ductility enables fabrication of UNS N06690 sheet and bar.
• Hardness: Balances strength and machinability for UNS N06690 bar.

Note: Solution annealing at 1900-2100°F (1038-1149°C) optimizes properties. Contact Gangsteel for a UNS N06690 material properties datasheet.

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4. UNS N06690 Equivalent Materials

UNS N06690is equivalent to several international grades, ensuring global compatibility.

Note: UNS N06690 equivalent grades comply with ASTM B168, ASME SB-168, and AMS 5540, offering interchangeability with UNS N07718 in specific high-temperature applications.

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5. UNS N06690 vs UNS N06625

Comparing UNS N06690 to UNS N06625 aids in material selection for corrosive environments:

• Corrosion Resistance: UNS N06690 excels in nuclear steam generator environments and stress-corrosion cracking (SCC), while UNS N06625 is better for chloride-rich conditions.
• Cost: UNS N06690 is slightly more expensive due to higher chromium content.
• Applications: UNS N06690 alloy steel plate is preferred for nuclear applications, while UNS N06625 suits marine and aerospace.

Conclusion: Choose UNS N06690 for nuclear and chemical environments with high SCC risk, or opt for UNS N06625 for broader corrosion resistance in marine settings.

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6. UNS N06690 Specifications

Gangsteel offers UNS N06690 alloy steel plate, sheet, bar, and custom components with a wide range of specifications:

6.1 Plate and Sheet

• Thickness: 0.5 mm to 100 mm
• Width: 1000 mm to 3000 mm
• Length: 2000 mm to 12000 mm (or coiled for sheets)
• Surface Finish: Hot-rolled, cold-rolled, annealed, pickled, 2B, No.1, or customized
• Standards: ASTM B168, ASME SB-168, AMS 5540
• Applications: Nuclear steam generators, Inconel 690 plate for chemical reactors

6.2 Bar

• Diameter: 6 mm to 500 mm
• Length: Up to 12000 mm
• Finish: Hot-rolled, cold-drawn, centerless ground
• Standards: ASTM B166, ASME SB-166
• Applications: UNS N06690 bar for nuclear tubing and fasteners

6.3 Custom Components

• Types: Flanges (ASME B16.5), fittings, CNC-machined parts
• Tolerances: ±0.05 mm for precision components
• Applications: Tailored solutions for nuclear and chemical industries

Note: Custom sizes and heat treatments (e.g., solution annealing at 1038-1149°C) are available. Contact Gangsteel for bespoke UNS N06690 alloy steel plate solutions.

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7. UNS N06690 Applications

UNS N06690is widely used in industries requiring superior corrosion resistance. Key UNS N06690 applications include:

• Nuclear Power: UNS N06690 alloy steel plate for steam generator tubes and reactor components.
• Chemical Processing: Inconel 690 plate for reactors and heat exchangers in sulfuric acid environments.
• Petrochemical: Components resisting oxidation and carburization in crackers.
• Power Generation: UNS N06690 sheet for high-temperature boiler components.
• Industrial Furnaces: UNS N06690 bar for furnace rolls in oxidizing conditions.

Note: Compared to UNS N06022, UNS N06690 offers better resistance to nuclear water corrosion.

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8. UNS N06690 Price per KG

The UNS N06690 price per kg ranges from USD 35-55 per kg (FOB), influenced by:

• Alloy Content: High nickel (≥58%) and chromium (27.0-31.0%) increase costs due to raw material volatility.
• Market Demand: High demand in nuclear and chemical industries drives Inconel 690 price.
• Product Form: UNS N06690 alloy steel plate may cost more than sheet due to processing.
• Global Supply Chain: Freight and availability affect UNS N06690 cost.

For precise UNS N06690 price per kg quotes or bulk discounts, contact Gangsteel, a trusted stainless steel supplier in China.

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9. Related Alloy Steel Grades

Gangsteel offers a diverse range of nickel alloy steel grades alongside UNS N06690, suitable for complementary applications:

• UNS N07718: High strength for aerospace and turbines.
• UNS N07750: Creep resistance for high-temperature applications.
• UNS N06002: High-temperature strength for gas turbines.
• UNS N06022: Corrosion resistance for chemical processing.
• UNS N10276: Superior acid resistance for chemical environments.
• UNS N06200: Corrosion resistance for aggressive media.
• UNS N06030: High-temperature corrosion resistance.

Note: These alloys complement UNS N06690 alloy steel plate in nuclear, chemical, and high-temperature applications. Contact Gangsteel for a full catalog.

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10. Why Choose Gangsteel?

• Quality Assurance: All UNS N06690 alloy steel plate products meet ASTM B168, ASME SB-168, and AMS 5540 standards, with EN 10204 3.1/3.2 certificates.
• Fast Delivery: Standard orders shipped in 7-15 days, with expedited options for urgent projects.
• Customization: Precision cutting (CNC, laser, waterjet), welding, and heat treatments tailored to your needs.
• Global Supply: Serving clients in Saudi Arabia, UAE, India, Europe, and beyond.
• Extensive Inventory: Wide range of nickel alloy steel grades, including UNS N10276 and UNS N06030.

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11. Conclusion

UNS N06690 alloy steel platefrom Gangsteel delivers exceptional corrosion resistance for nuclear and chemical applications. With high nickel and chromium, UNS N06690 material outperforms UNS N06625 in nuclear water environments, supported by versatile specifications (0.5-100 mm thickness, up to 3000 mm width) and equivalent grades (W.Nr. 2.4642, EN NiCr29Fe). As a premier stainless steel supplier in China, Gangsteel provides high-quality UNS N06690 plate, sheet, and bar at competitive prices (USD 35-55/kg).

Contact Gangsteeltoday for the latest UNS N06690 price per kg or to request a detailed Inconel 690 properties datasheet. Explore our nickel alloy steel grades for customized solutions to meet your project demands!