Best Inconel 625 Powder for metal 3D printing

Inconel 625 powder price list:

Metal Powder Size Quantity Price/kg Size Quantity Price/kg
Inconel 625 0-20μm 1KG $59 20-63μm 1KG $98.30
10KG $39 10KG $69.10
100KG $34 100KG $64.50


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Table of Contents


Inconel 625 powder is a nickel-chromium-molybdenum alloy powder that offers high strength and outstanding corrosion resistance. It has excellent fatigue strength and stress corrosion cracking resistance. The key features of nickel alloy 625 powder include:

  • High strength and toughness from -425°F (-254°C) to 1800°F (982°C)
  • Outstanding corrosion resistance in various corrosive environments
  • Excellent oxidation resistance up to 2000°F (1093°C)
  • Resists pitting and crevice corrosion
  • Excellent fatigue strength and thermal fatigue resistance
  • Resists stress corrosion cracking
  • Easy to weld and fabricate
  • Available in various particle sizes for additive manufacturing

Some of the key composition details, properties, applications, and specifications of nickel alloy 625 powder are summarized in the tables below:

Inconel 625 Powder Composition

Element Weight %
Nickel (Ni) 58.0 min
Chromium (Cr) 20.0-23.0
Molybdenum (Mo) 8.0-10.0
Iron (Fe) 5.0 max
Niobium (Nb) + Tantalum (Ta) 3.15-4.15
Carbon (C) 0.05 max
Manganese (Mn) 0.50 max
Silicon (Si) 0.50 max
Phosphorus (P) 0.015 max
Sulfur (S) 0.015 max
Boron (B) 0.006 max
Copper (Cu) 0.5 max
Cobalt (Co) 1.0 max
Aluminum (Al) 0.4 max
Titanium (Ti) 0.4 max
Zirconium (Zr) 0.05 max

The nickel content gives nickel alloy 625 excellent corrosion resistance. Chromium provides good oxidation and corrosion resistance. Molybdenum further enhances corrosion resistance, especially in reducing environments. Niobium prevents precipitation of deleterious intermetallic phases to maintain high strength and toughness. Iron enhances high temperature strength. Controlled amounts of other alloying elements fine tune the properties.

Inconel 625 Powder Properties

inconel 625 powder


Property Value
Density 8.44 g/cm3
Melting Point 2335-2460°F (1276-1349°C)
Thermal Conductivity 9.8 W/m-K
Electrical Resistivity 117 μΩ-cm
Modulus of Elasticity 205 GPa
Poisson’s Ratio 0.278
Tensile Strength 125-160 ksi (862-1103 MPa)
Yield Strength (0.2% offset) 80-100 ksi (552-690 MPa)
Elongation 35-40%
Hardness 25-35 HRC
Relative Magnetic Permeability 1.002 max

The combination of properties like high strength, good fabricability and weldability, excellent corrosion resistance, and good fatigue strength make nickel alloy 625 suitable for a wide range of applications.

Inconel 625 Powder Applications

Some of the common applications of nickel alloy 625 powder include:

Industry Applications
Aerospace Engine discs, cases, exhaust systems, fasteners
Oil & Gas Wellhead equipment, offshore rigs, valves, fluid handling parts
Chemical & Petrochemical Heat exchangers, piping, valves, reactors
Pollution Control Scrubbers, flue gas stacks, heat exchangers
Marine Propeller shafts, equipment for desalination plants
Food processing Highly corrosion resistant equipment
Pharmaceutical Reactors, condensers, heat exchangers
Power Generation Heat exchanger tubing
Additive Manufacturing High temperature, corrosion resistant parts

The good weldability and fabricability allows it to be made into various components using standard metal manufacturing techniques. The corrosion resistance allows it to withstand exposure to many organic and inorganic chemicals across a wide temperature range. Hence nickel alloy 625 finds usage in various critical applications.


  • Excellent corrosion resistance
  • High temperature strength
  • Good fabricability and weldability
  • Resists pitting and crevice corrosion
  • Oxidation and fatigue resistance


  • More expensive than stainless steels
  • Lower thermal conductivity than copper alloys
  • Not as strong as ferritic steels

Inconel 625 Powder Specifications

Nickel alloy 625 powder is available in various standard specifications:

Specification Description
AMS 5666 Nickel Alloy, Corrosion and Heat-Resistant, Bars, Forgings, and Rings 62Ni – 22Cr – 9Mo – 3.8Nb
AMS 5837 Wire, Nickel Alloy 625
ASME SB-443 Seamless and Welded Nickel Alloy 625 Pipes and Tubes
ASTM B348 Titanium and Titanium Alloy Bars and Billets
AMS 2241 Nickel Alloy, Corrosion Resistant 62Ni – 21.5Cr – 9Mo – 3.65 Nb Alloy (UNS N06625) Plate, Sheet, and Strip
ISO 10271 Corrosion-resistant nickel-chromium-molybdenum alloy (UNS N06625) plate, sheet and strip

These specifications define the required chemical composition limits, mechanical properties, grain size control, testing methods, lot traceability, etc. for quality assurance and reliable performance.

Inconel 625 Powder Suppliers and Pricing

Some of leading global suppliers of nickel alloy 625 powder include:

Supplier Particle Sizes Price Range
Sandvik Osprey 15-150 μm $50-60 per kg
Carpenter Additive 15-45 μm $75-100 per kg
Praxair Surface Technologies 10-150 μm $55-90 per kg
Hoganas 45-150 μm $45-75 per kg
LPW Technology 20-63 μm $60-120 per kg
Erasteel 75-150 μm $40-65 per kg

Nickel alloy 625 powder can be purchased directly from these metal powder producers. Prices vary based on order quantity, shipping, and other value added services. Small quantity samples for R&D purposes are also available.

Met3DP inconel 625 powder price list:

Metal Powder Size Quantity Price/kg Size Quantity Price/kg
Inconel 625 0-20μm 1KG $59 20-63μm 1KG $98.30
10KG $39 10KG $69.10
100KG $34 100KG $64.50

Inconel 625 Powder Comparison with Other Alloys

Versus Stainless Steel 316L powder

Parameter Nickel Alloy 625 Stainless Steel 316L
Density Higher 7.9 g/cm3
Tensile Strength Comparable 515 MPa
Temperature Resistance 2X higher 1300°F
Corrosion Resistance 5X better Average
Cost 4X higher Lower

Versus Inconel 718 powder

Parameter Nickel Alloy 625 Inconel 718
Machinability Easier Difficult
Corrosion Resistance Higher Moderate
Cost Comparable Similar
Cold Workability Better Average

Versus Hastelloy C276 powder

Parameter Nickel Alloy 625 Hastelloy C276
Density Same 8.9 g/cm3
Thermal Expansion Lower Comparable
Heat Treatment Not needed Sometimes needed
Cost Lower Higher
Fabrication Easier More Difficult

Inconel 625 Powder FAQs

Q. What is nickel alloy 625?

A. Nickel alloy 625 is a nickel-chromium-molybdenum alloy with additions like niobium that offer an excellent combination of high strength and outstanding corrosion resistance up to 1900°F (1040°C).

Q. Why choose nickel alloy 625 powder?

A. The key advantages are superior corrosion resistance across many environments, good mechanical properties at high temps, excellent fatigue strength, and suitability for additive manufacturing of complex parts.

Q. What is nickel alloy 625 powder used for?

A. Nickel alloy 625 powder has applications in aerospace, chemical processing, petrochemical, marine, pollution control and power industries where strength, corrosion resistance, or high temp performance are needed.

Q. Does nickel alloy 625 require heat treatment?

A. No. Nickel Alloy 625, often simply referred to as Alloy 625 or Inconel 625, is unique in that it doesn’t usually require heat treatment.

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