Materials / Inconel 625

Inconel 625Corrosion resistance

Strong corrosion resistance in chloride-bearing and marine environments across a broad temperature range.

Material specification overviewCompare Materials

Material positioning

Inconel 625 Fasteners

A nickel-chromium-molybdenum alloy considered for chloride exposure, seawater systems and corrosion-critical equipment where fabrication and dependable material traceability matter.

Positioning: Corrosion-critical service
Available forms: Bolts, studs, nuts, washers and round bar
Documentation: MTC / EN 10204 3.1 and testing as specified

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Engineering reference

Performance and service profile

Representative information for preliminary review. Final values depend on product form, dimensions, heat treatment and governing specification.

Typical tensile strengthTypically 800-1,000 MPa, depending on product form and condition

Typical yield strengthTypically 340-630 MPa, depending on product form and condition

Reference conditionSolution annealed; cold-worked conditions are also available

Temperature capabilityBroad cryogenic-to-elevated-temperature capability; the governing fastener specification and service environment set the allowable limit.

Corrosion characteristicsStrong resistance to seawater, chlorides and many industrial corrosive media, with useful oxidation resistance.

Typical heat treatmentSolution annealing when required by product form or specification

Typical applications

Marine and offshore equipment
Chemical processing
Pollution-control systems
Corrosion-resistant bolting

Standards support

ASTM B446
ASTM F468 / F467
ASME and project specifications

Documentation support

MTC / MTR
EN 10204 3.1
PMI report
Mechanical test report
Traceability records