UNS N05500 Alloy Steel Plate Supplier | Specifications, Equivalent Materials, and Price

UNS N05500 alloy steel plate, also known as Monel K-500, is supplied by Gangsteel, a leading stainless steel supplier in China. Renowned for its high strength and exceptional UNS N05500 corrosion resistance in seawater, hydrofluoric acid, and alkaline environments, this precipitation-hardened nickel-copper alloy is ideal for marine, oil/gas, and chemical processing applications.

Gangsteel offers UNS N05500 plate, sheet, bar, and custom components, meeting ASTM B127 and ASME SB-127 standards for plate/sheet, and ASTM B865 for bar. This page provides detailed insights into the UNS N05500 chemical composition, mechanical properties, equivalent materials, specifications, applications, and competitive UNS N05500 price per kg. Explore our nickel alloy steel grades for related alloys like UNS N04400, UNS N06625, and UNS N08825.

 

1. What is UNS N05500?

UNS N05500, or Monel K-500, is a nickel-copper alloy with approximately 63% nickel, 27-33% copper, and additions of aluminum and titanium for precipitation hardening, offering high strength and excellent corrosion resistance in seawater and acidic environments. Its enhanced mechanical properties make UNS N05500 material ideal for marine propeller shafts, oil/gas valves, and chemical processing components. Compared to UNS N04400, UNS N05500 provides higher strength and hardness due to age-hardening.

Gangsteel’s UNS N05500 alloy steel plate is tailored for high-stress corrosive environments, providing a robust alternative to nickel alloy steel grades like UNS N08020 and UNS N06985.

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2. UNS N05500 Chemical Composition

The UNS N05500 chemical composition, compliant with ASTM B127 for plate/sheet and ASTM B865 for bar, is optimized for corrosion resistance and high strength through precipitation hardening.

Element

Percentage (%)

Nickel (Ni)

63.0 min

Copper (Cu)

27.0 – 33.0

Aluminum (Al)

2.3 – 3.15

Titanium (Ti)

0.35 – 0.85

Iron (Fe)

≤ 2.0

Manganese (Mn)

≤ 1.5

Carbon (C)

≤ 0.25

Silicon (Si)

≤ 0.5

Sulfur (S)

≤ 0.01

Note: The aluminum and titanium additions enable UNS N05500’s precipitation hardening, providing superior strength compared to UNS N04400, while maintaining excellent corrosion resistance in seawater.

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3. UNS N05500 Mechanical Properties

The UNS N05500 mechanical properties, tested per ASTM B127 and ASTM B865, offer high strength and toughness, making UNS N05500 alloy steel plate suitable for marine and oil/gas applications.

Property

Value at 20°C

Value at 204°C (400°F)

Tensile Strength (MPa)

≥ 965 (140 ksi)

≥ 900 (130 ksi)

Yield Strength (MPa)

≥ 690 (100 ksi)

≥ 620 (90 ksi)

Elongation (%)

≥ 20

≥ 25

Hardness (HB)

250 – 350

-

Density

8.44 g/cm³ (0.305 lb/in³)

-

Note: Age-hardening at 1000-1100°F (538-593°C) optimizes Monel K-500 mechanical properties. Contact Gangsteel for a detailed UNS N05500 technical data sheet.

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4. UNS N05500 Allowable Stress

The allowable stress values for UNS N05500, per ASME BPVC Section II, Part D, ensure safe design in high-stress marine and oil/gas applications.

Temperature (°C)

Allowable Stress (MPa)

100

275

200

250

300

230

400

210

500

190

Note: These values ensure UNS N05500 material performs reliably in marine propeller shafts and oil/gas components under elevated temperatures.

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5. UNS N05500 Equivalent Materials

UNS N05500aligns with international standards for global compatibility.

Standard

Grade

UNS

N05500

W.Nr.

2.4375

EN

NiCu30Al

ASTM

B127, B865

ASME

SB-127, SB-865

Note: UNS N05500 equivalent grades comply with ASTM B127 for plate/sheet and ASTM B865 for bar, offering interchangeability with UNS N04400 in less demanding strength applications.

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6. UNS N05500 vs UNS N04400, UNS N06625, and SS316

Comparing UNS N05500 to UNS N04400, UNS N06625, and SS316 aids in material selection:

Property

UNS N05500 (Monel K-500)

UNS N04400 (Monel 400)

UNS N06625 (Alloy 625)

SS316/316L

UNS Number

N05500

N04400

N06625

S31600/S31603

Nickel Content

≥ 63.0%

≥ 63.0%

~58%

10.0-14.0%

Copper Content

27.0-33.0%

28.0-34.0%

-

-

Molybdenum Content

None

None

8.0-10.0%

2.0-3.0%

Additional Elements

Al (2.3-3.15%), Ti

-

Nb (3.15-4.15%), Ti

-

Corrosion Resistance

Excellent in seawater, HF

Excellent in seawater, HF

Excellent in oxidizing/reducing acids

Good in general corrosion

Strength

High (precipitation-hardened)

Moderate

High

Moderate

Temp Range

Up to 540°C (1000°F)

Up to 540°C (1000°F)

Up to 1000°C (1832°F)

Up to 870°C (1600°F)

Cost (USD/kg)

35-50

30-45

40-60

5-15

Applications

Marine, oil/gas

Marine, chemical processing

Aerospace, nuclear

Food, pharma

  • UNS N05500 vs UNS N04400: UNS N05500 offers higher strength and hardness due to precipitation hardening, while UNS N04400 provides better ductility.
  • UNS N05500 vs UNS N06625: UNS N06625 excels in high-temperature and oxidizing environments, while UNS N05500 is optimized for seawater and high-strength marine applications.
  • UNS N05500 vs SS316: UNS N05500 outperforms SS316 in seawater and acidic environments but is more expensive.

Conclusion: Choose UNS N05500 alloy steel plate for high-strength marine and oil/gas applications, UNS N04400 for ductile marine uses, UNS N06625 for high-temperature applications, or SS316 for general corrosion resistance.

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7. UNS N05500 Specifications

Gangsteel offers UNS N05500 alloy steel plate, sheet, bar, and custom components with a wide range of specifications:

7.1 Plate and Sheet

  • Thickness: 0.5 mm to 100 mm (plate), 0.1 mm to 6 mm (sheet)
  • Width: 1000 mm to 3000 mm
  • Length: 2000 mm to 12000 mm (or coiled for sheet)
  • Surface Finish: Hot-rolled, cold-rolled, annealed, pickled, 2B, No.1, or customized
  • Standards: ASTM B127, ASME SB-127
  • Applications: UNS N05500 plate for marine propeller shafts, Monel K-500 sheet for oil/gas components

7.2 Bar

  • Diameter: 6 mm to 500 mm
  • Length: Up to 12000 mm
  • Finish: Hot-rolled, cold-drawn, centerless ground
  • Standards: ASTM B865, ASME SB-865
  • Applications: UNS N05500 bar for valves and fasteners

7.3 Custom Components

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

Note: Custom sizes and heat treatments (e.g., age-hardening at 538-593°C) are available. Contact Gangsteel for bespoke UNS N05500 material specifications.

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8. UNS N05500 Applications

UNS N05500is widely used in industries requiring high strength and corrosion resistance. Key UNS N05500 applications include:

  • Marine: UNS N05500 alloy steel plate for propeller shafts and pump components.
  • Oil and Gas: Monel K-500 plate for valves and fittings in corrosive environments.
  • Chemical Processing: UNS N05500 bar for equipment handling hydrofluoric acid.
  • Aerospace: High-strength fasteners and springs.
  • Power Generation: Components for turbine systems.

Note: Compared to UNS N04400, UNS N05500 offers superior strength for demanding marine and oil/gas applications.

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9. UNS N05500 Price per KG

The UNS N05500 price per kg ranges from USD 35-50 per kg (FOB), influenced by:

  • Alloy Content: High nickel (≥63%) and aluminum/titanium additions increase costs compared to UNS N04400.
  • Market Demand: High demand in marine and oil/gas industries drives Monel K-500 price.
  • Product Form: UNS N05500 alloy steel plate may cost more than sheet due to processing.
  • Global Supply Chain: Freight and availability affect UNS N05500 cost.

For precise UNS N05500 price per kg quotes or bulk discounts, contact Gangsteel.

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10. Related Alloy Steel Grades

Gangsteel offers a diverse range of nickel alloy steel grades alongside UNS N05500, suitable for complementary applications:

  • UNS N04400: Ductile for marine and chemical processing.
  • UNS N06625: High strength for aerospace and nuclear applications.
  • UNS N08825: Corrosion resistance for oil and gas.
  • UNS N08020: Cost-effective for sulfuric acid applications.
  • UNS N06985: Corrosion resistance for phosphoric acid applications.
  • UNS N10675: Superior resistance to hydrochloric acid.
  • UNS N06030: Superior resistance to phosphoric acid.
  • UNS N06200: Superior resistance to sulfuric acid.
  • UNS N10276: Broad resistance to reducing and oxidizing acids.
  • UNS N06022: Superior resistance to oxidizing acids.
  • UNS N06690: Corrosion resistance for nuclear applications.
  • UNS N07718: High strength for aerospace.
  • UNS N07750: Creep resistance for springs.
  • UNS N06002: High-temperature strength for turbines.
  • UNS N06075: High-temperature corrosion resistance.
  • UNS N07080: High strength for aerospace.
  • UNS N07263: High-temperature strength for turbines.

Note: These alloys complement UNS N05500 alloy steel plate in marine, oil/gas, and high-strength applications. Contact Gangsteel for a full catalog.

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11. Why Choose Gangsteel?

  • Quality Assurance: All UNS N05500 alloy steel plate products meet ASTM B127 and ASME SB-127 standards for plate/sheet, and ASTM B865 for bar, 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 N04400 and UNS N06625.

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12. Conclusion

UNS N05500 alloy steel platefrom Gangsteel delivers high strength and exceptional corrosion resistance for seawater and hydrofluoric acid environments, ideal for marine and oil/gas applications. With precipitation-hardening elements like aluminum and titanium, UNS N05500 material offers superior strength compared to UNS N04400, supported by versatile specifications (0.5-100 mm thickness, up to 3000 mm width) and equivalent grades (W.Nr. 2.4375, EN NiCu30Al). As a trusted stainless steel supplier in China, Gangsteel provides high-quality UNS N05500 plate, sheet, and bar at competitive prices (USD 35-50/kg).

Contact Gangsteeltoday for the latest UNS N05500 price per kg or to request a detailed Monel K-500 technical data sheet. Explore our nickel alloy steel grades for customized solutions to meet your project demands!

 

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