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Premium Precipitation-Hardenable Alloy

Inconel 625 Plus

Premium age-hardenable nickel superalloy delivering exceptional corrosion resistance with 150 KSI minimum strength for the most demanding applications.

150 KSI
Min Tensile Strength
UNS N07716
Specification
API 6A
CRA Certified
Inconel 625 Plus Material

Why Choose Inconel 625 Plus?

Precipitation Hardenable

Age hardening provides exceptional strength development

Superior Corrosion Resistance

Exceptional resistance to stress corrosion cracking

API 6A Certified

Qualified for critical oil & gas applications

High Strength

150 KSI minimum tensile strength capability

Technical Specifications

Chemical Composition (Weight %)

ElementMinMax
Carbon(C)-0.03
Silicon(Si)-0.20
Manganese(Mn)-0.20
Phosphorus(P)-0.015
Sulfur(S)-0.010
Chromium(Cr)19.0022.00
Nickel(Ni)59.0063.00
Molybdenum(Mo)7.009.00
Titanium(Ti)0.601.20
Aluminum(Al)-0.35
Iron(Fe)-10.4

Mechanical Properties

Solution Annealed & Age Hardened (Minimum Values)

Ultimate Tensile Strength150 KSI Min
0.2% Proof Stress120 KSI
Elongation20% Min
Reduction of Area35% Min

Corrosion Resistance Performance

EnvironmentResistanceNotes
Sour Gas WellsExcellentH2S/CO2 environments
Stress Corrosion CrackingExceptionalAge hardened condition
Pitting CorrosionExcellentGeneral resistance
Crevice CorrosionExcellentHigh Mo content
Marine EnvironmentsSuperiorProven success record
Chemical ProcessingExcellentSevere corrosive media

Industry Applications

Oil & Gas

  • Deep sour gas wells
  • Surface equipment
  • Wellhead components
  • API 6A certified equipment

Marine

  • Offshore platforms
  • Seawater systems
  • Marine fasteners
  • Subsea equipment

Chemical Processing

  • Process equipment
  • Heat exchangers
  • Reactor components
  • Corrosive media handling

High-Strength Components

  • Fasteners
  • Shafts
  • Hangers
  • Load-bearing components

Standards & Specifications

API 6A CRA (UNS N07716)
AMS 5854
ASTM B805
AP16A

Key Properties

  • • Precipitation-hardenable for enhanced strength
  • • Exceptional stress corrosion cracking resistance
  • • API 6A CRA certified for sour service
  • • Trademark of Carpenter Technology Corp.

Related Alloys

Inconel 625

Standard grade without age hardening

Solution annealed condition

Inconel 718

Similar corrosion resistance with precipitation hardening

Higher temperature capability

Inconel 725

Age-hardenable with higher strength

Enhanced mechanical properties

Ready to Specify Inconel 625 Plus?

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