Custom Inconel 625 Parts Manufacturing

Precision CNC Machining for High-Performance Applications

Expert manufacturing of custom Inconel 625 parts with superior corrosion resistance, high-temperature strength, and exceptional mechanical properties for demanding aerospace, marine, and chemical processing applications.

  • •High-temperature resistance up to 1800°F
  • •Excellent corrosion resistance
  • •Superior strength and toughness
  • •Precision CNC machining
Inconel 625 Parts Manufacturing

Inconel 625 Overview

Inconel 625 is a nickel-chromium-molybdenum alloy with exceptional corrosion resistance and high-temperature strength. This superalloy combines excellent mechanical properties with outstanding resistance to oxidation and carburization, making it ideal for the most demanding applications.

  • •Nickel-chromium-molybdenum superalloy
  • •Outstanding corrosion resistance
  • •High-temperature strength retention
  • •Excellent weldability and fabricability

Material Properties

Chemical Composition

  • •Nickel: ≥58.0%
  • •Chromium: 20.0-23.0%
  • •Molybdenum: 8.0-10.0%
  • •Niobium + Tantalum: 3.15-4.15%
  • •Iron: ≤5.0%
  • •Carbon: ≤0.10%
  • •Manganese: ≤0.50%
  • •Silicon: ≤0.50%
  • •Phosphorus: ≤0.015%
  • •Sulfur: ≤0.015%
  • •Aluminum: ≤0.40%
  • •Titanium: ≤0.40%

Mechanical Properties

  • •Tensile Strength: 120-160 ksi (827-1103 MPa)
  • •Yield Strength: 60-120 ksi (414-827 MPa)
  • •Elongation: 30-50%
  • •Hardness (Rockwell B): 85-95 HRB
  • •Modulus of Elasticity: 29.8 x 10³ ksi (205 GPa)

Physical Properties

  • •Density: 0.305 lb/in³ (8.44 g/cm³)
  • •Melting Point: 2350-2460°F (1290-1350°C)
  • •Thermal Conductivity: 6.2 BTU/hr·ft·°F (10.7 W/m·K)
  • •Specific Heat: 0.106 BTU/lb·°F (0.444 J/g·K)
  • •Coefficient of Thermal Expansion: 7.1 x 10⁻⁶ in/in/°F (12.8 x 10⁻⁶ m/m/°K)

Manufacturing Processes

Our advanced manufacturing capabilities ensure precise production of Nickel Alloy 625 parts with tight tolerances and superior surface finishes.

CNC Machining

Precision CNC turning, milling, and drilling with specialized tooling for nickel alloys

Capabilities:

  • •Multi-axis machining
  • •Tight tolerances (±0.001")
  • •Superior surface finishes
  • •Complex geometries

Heat Treatment

Solution annealing and precipitation hardening for optimal mechanical properties

Capabilities:

  • •Solution annealing at 2150°F
  • •Rapid cooling
  • •Stress relief treatments
  • •Property optimization

Welding & Joining

Expert welding techniques including TIG, MIG, and resistance welding

Capabilities:

  • •TIG welding
  • •MIG welding
  • •Resistance welding
  • •Post-weld heat treatment

Surface Finishing

Advanced surface treatments for enhanced performance and appearance

Capabilities:

  • •Electropolishing
  • •Passivation
  • •Coating applications
  • •Quality inspection

Applications

Nickel Alloy 625 is widely used in industries requiring exceptional corrosion resistance and high-temperature performance.

Aerospace & Defense

  • • Jet engine components
  • • Rocket motor cases
  • • Aircraft structural parts
  • • Exhaust systems

Chemical Processing

  • • Reactor vessels
  • • Heat exchangers
  • • Piping systems
  • • Valves and fittings

Marine & Offshore

  • • Subsea equipment
  • • Propeller shafts
  • • Seawater handling systems
  • • Offshore platform components

Power Generation

  • • Gas turbine components
  • • Nuclear reactor parts
  • • Steam turbine blades
  • • Heat recovery systems

Why Choose Nickel Alloy 625

Nickel Alloy 625 offers exceptional performance characteristics for demanding applications.

✓

Superior Corrosion Resistance

Excellent resistance to pitting, crevice corrosion, and stress corrosion cracking

✓

High-Temperature Strength

Maintains mechanical properties at temperatures up to 1800°F (982°C)

✓

Outstanding Weldability

Can be welded using various techniques without post-weld heat treatment

✓

Excellent Fabricability

Good formability and machinability for complex part geometries

Quality Assurance

Comprehensive quality control ensures every Nickel Alloy 625 part meets the highest standards.

✓ Material certification (AMS 5666)
✓ Dimensional inspection
✓ Mechanical property testing
✓ Corrosion resistance verification
✓ Non-destructive testing (NDT)
✓ Surface finish analysis

Frequently Asked Questions

Is nickel 625 the same as Inconel 625?
Yes, Nickel Alloy 625 and Inconel 625 are the same material. Inconel is a registered trademark of Special Metals Corporation, while Nickel Alloy 625 is the generic name for this nickel-chromium-molybdenum superalloy. Both refer to the same composition and properties.
What is alloy 625 material?
Alloy 625 is a nickel-chromium-molybdenum superalloy that contains approximately 58% nickel, 20-23% chromium, 8-10% molybdenum, and 3.15-4.15% niobium plus tantalum. It offers exceptional corrosion resistance, high-temperature strength, and excellent mechanical properties for demanding applications.
What is the melting point of Inconel 625?
The melting point of Inconel 625 ranges from 2350°F to 2460°F (1290°C to 1350°C). This high melting point, combined with its excellent high-temperature strength retention, makes it suitable for applications operating at elevated temperatures.
What is the temperature limit for 625 alloy?
Nickel Alloy 625 can be used continuously at temperatures up to 1800°F (982°C) and intermittently at temperatures up to 2000°F (1093°C). Its excellent oxidation resistance and high-temperature strength make it ideal for high-temperature applications.
What is the difference between Grade 1 and Grade 2 alloy 625?
Grade 1 and Grade 2 refer to different heat treatment conditions of Nickel Alloy 625. Grade 1 is solution annealed, providing good corrosion resistance and moderate strength. Grade 2 is solution annealed and precipitation hardened, offering higher strength while maintaining good corrosion resistance. The choice depends on the specific application requirements.

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