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Inconel 625 Forgings

Inconel 625 Forgings are manufactured from a nickel-chromium-molybdenum alloy that delivers exceptional corrosion resistance, high strength, and excellent toughness in demanding environments. The forging process produces dense, reliable components with consistent mechanical properties, even under high temperatures, high pressure, seawater, acidic, and chloride-rich conditions.
With outstanding resistance to pitting, crevice corrosion, oxidation, and stress corrosion cracking, Inconel 625 Forgings are widely used for valves, shafts, flanges, pressure components, and other critical parts in chemical processing, oil and gas, marine engineering, aerospace, and power generation. Their superior durability and long service life make them a dependable choice for severe-service applications.

 

 

 

 

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Product Overview

Inconel 625 Forgings for High-Performance Applications

Explore detailed information for this alloy product, including specifications, applications, supply options and quotation requirements.

Why buyers choose Inconel 625 Forgings

Inconel 625 Forgings are manufactured from a nickel-chromium-molybdenum alloy that delivers exceptional corrosion resistance, high strength, and excellent toughness in demanding environments. The forging process produces dense, reliable components with consistent mechanical properties, even under high temperatures, high pressure, seawater, acidic, and chloride-rich conditions.
With outstanding resistance to pitting, crevice corrosion, oxidation, and stress corrosion cracking, Inconel 625 Forgings are widely used for valves, shafts, flanges, pressure components, and other critical parts in chemical processing, oil and gas, marine engineering, aerospace, and power generation. Their superior durability and long service life make them a dependable choice for severe-service applications.

 

 

 

 

Inconel 625 Forgings
Pipe Specifications

Inconel 625 Forgings size range and supply information

Specifications, available sizes and delivery conditions can vary by production route and order requirements. Contact us for current availability.

Item Typical Options Buyer Notes Typical Specification
Material Grade Inconel 625 / UNS N06625 / W.Nr. 2.4856 Confirm the alloy designation, chemical composition and certification requirements. Nickel-chromium-molybdenum-niobium alloy for demanding service
Forged Product Type Forged rings, blocks, discs, shafts, hubs, bars or custom components Provide the component type, geometry and finished-machining requirements. Open-die or closed-die forgings available
Dimensions Custom diameter, thickness, length or near-net-shape dimensions Submit drawings or dimensional details with machining allowances. Manufactured according to drawings or project specifications
Forging Process Open-die forging, closed-die forging, ring rolling or upset forging Select the process according to component size, shape and required grain flow. Controlled forging reduction for uniform structure and strength
Applicable Standard ASTM B564, ASME SB564, AMS 5666 or customer specification Confirm the required material, heat-treatment and dimensional standard. ASTM B564 / ASME SB564 / AMS 5666
Heat Treatment Solution annealed, annealed or custom heat-treatment cycle Match the heat treatment to strength, corrosion resistance and service temperature. Solution treatment with controlled cooling available
Machining & Surface As-forged, rough machined, finish machined, turned or ground Specify machining allowances, surface roughness and final tolerances. Precision machining available according to drawings
Inspection & Certification MTC, PMI, chemical analysis, tensile test, hardness test, UT, macro-etch testing and dimensional inspection Confirm testing scope, traceability and third-party inspection requirements. EN 10204 3.1 certificate and full heat traceability available

 

 

 

 

Standards

Common standards for Inconel 625 Forgings

The final standard should follow the purchase order, engineering specification or project drawing.

Product Type Common Standards Typical Use Inspection Notes
Inconel 625 Open-Die Forgings ASTM B564 / ASME SB564, AMS 5666 Large shafts, rings, pressure components and heavy-duty corrosion-resistant equipment Verify forging reduction, grain flow, dimensions, tensile properties, PMI and ultrasonic testing.
Inconel 625 Closed-Die Forgings ASTM B564 / ASME SB564, AMS 5666 Aerospace parts, valve bodies, pump components and complex high-temperature assemblies Inspect die-fill quality, dimensional tolerances, surface condition, mechanical properties and traceability.
Inconel 625 Forged Rings ASTM B564 / ASME SB564, AMS 5666 Flanges, seals, pressure vessels, turbine components and offshore equipment Check ring dimensions, grain orientation, ultrasonic inspection, PMI, hardness and material certificates.
Inconel 625 Forged Bars ASTM B446 / ASME SB446, ASTM B564 / ASME SB564 Fasteners, shafts, studs, valve stems and machined corrosion-resistant components Verify diameter, straightness, tensile properties, hardness, surface quality and heat traceability.
Inconel 625 Forged Flanges ASTM B564 / ASME SB564, ASME B16.5, ASME B16.47 High-pressure piping, subsea systems, chemical processing and marine applications Inspect pressure class, facing, bolt-hole pattern, dimensions, PMI, NDT and forging soundness.
Custom Inconel 625 Forgings ASTM B564 / ASME SB564, AMS 5666, customer drawings Specialized aerospace, nuclear, power-generation and severe-service components Review drawings, heat treatment, grain flow, mechanical testing, NDT, PMI and inspection documentation.

 

 

 

 

Chemical Composition

Inconel 625 Forgings composition reference

Chemical composition is reported by heat on the material test certificate. Use the table below as a material-selection reference.

Element Symbol Typical Requirement Function
Nickel Ni 58.0 min Provides corrosion resistance, toughness, and high-temperature stability.
Chromium Cr 20.0-23.0 Improves oxidation resistance and protection in oxidizing environments.
Molybdenum Mo 8.0-10.0 Enhances resistance to pitting, crevice corrosion, and reducing acids.
Niobium + Tantalum Nb + Ta 3.15-4.15 Provides solid-solution strengthening and supports forging strength.
Iron Fe 5.0 max Controlled balancing element in the nickel-based alloy.
Cobalt Co 1.0 max Controlled to maintain consistent mechanical and corrosion properties.
Carbon C 0.10 max Limited to preserve ductility, forgeability, and corrosion resistance.
Manganese Mn 0.50 max Acts as a deoxidizer during alloy production.
Silicon Si 0.50 max Controlled to maintain forging quality and mechanical properties.
Aluminum Al 0.40 max Supports oxidation resistance and alloy stability.
Titanium Ti 0.40 max Contributes to alloy stabilization and mechanical strength.
Phosphorus P 0.015 max Controlled impurity to preserve ductility and forging performance.
Sulfur S 0.015 max Controlled impurity to reduce brittleness and cracking risk during forging.

 

 

 

 

Mechanical Properties

Mechanical Properties of Inconel 625 Forgings

Mechanical properties vary by standard, pipe size, production route and heat treatment. Use the specified standard and MTC as the final acceptance basis.

Condition / Product Tensile Strength Yield Strength 0.2% Elongation Notes
Annealed Inconel 625 forgings 827 MPa min reference 414 MPa min reference 30% min reference Common reference condition for pressure, marine, aerospace, and chemical-processing components.
Solution annealed Inconel 625 forgings By ASTM / ASME specification By ASTM / ASME specification By ASTM / ASME specification Provides improved metallurgical consistency, corrosion resistance, and fabrication performance.
Open-die Inconel 625 forgings By forging size, heat treatment, and specification By forging size, heat treatment, and specification By forging size, heat treatment, and specification Specify forging reduction, grain flow, dimensional tolerances, and inspection requirements.
Custom Inconel 625 forgings By design and purchase specification By design and purchase specification By design and purchase specification Confirm shape, weight, heat treatment, NDT requirements, surface condition, and material traceability.

 

 

 

 

Values shown are reference data for product selection. Purchase orders should define the exact standard, condition, inspection scope and certificate requirement.

Quotation Checklist

Information to confirm for your order

Share your requirements, including material, size, quantity, and specifications, for a fast quotation.

Material

Grade name, UNS number, equivalent grade or project material code.

Pipe Size

OD / NPS, wall thickness or schedule, length, tolerance and quantity.

Standard

ASTM, ASME, EN, DIN, drawing or customer specification.

Condition

Seamless, welded, annealed, solution annealed, pickled or polished.

Inspection

MTC EN10204 3.1, PMI, UT / ET, hydrotest and dimensional report.

Delivery

Destination, packing requirement, shipping method and delivery deadline.

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FAQ

Frequently asked questions about Inconel 625 Forgings

FAQ content helps cover buyer questions and supports SEO for long-tail product searches.

Inconel 625 Forgings are used for valves, flanges, shafts, pressure components, pump parts, marine equipment, aerospace components and chemical processing applications requiring high strength and corrosion resistance.

Common standards include ASTM B564 and ASME SB564 for nickel alloy forgings. Forged components can also be manufactured according to ASTM, ASME, AMS, API or customer specifications.

Available products include forged rings, discs, blocks, bars, shafts, flanges, valve bodies, hubs and custom near-net-shape forgings manufactured from customer drawings.

Yes. Inconel 625 Forgings can be supplied in solution-annealed or other specified heat-treated conditions, with mechanical properties and heat treatment records provided when required.

Yes. Forgings can be supplied with an EN10204 3.1 certificate, heat number traceability, chemical analysis, mechanical test results, PMI, dimensional inspection and ultrasonic testing when specified.

Please provide the forging type, material grade, dimensions or drawing, quantity, heat treatment condition, applicable standard, inspection requirements, certificate requirements and destination.

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