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Nickel AlloysUNS N07750View material details

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Compare Materials: Inconel X-750
MaterialInconel X-750N07750

Summary

Material familyNickel Alloys
Grade / UNSN07750
SummaryAn age-hardenable nickel-chromium alloy used for springs, fasteners and hot-section components.

Performance overview

Material focusStrength developed through aging
Physical referenceNot documented in this reference
Chemical composition
Chemical composition

Selected composition limits · wt.%

Ni + Co
≥70
Cr
14–17
Fe
5–9
Ti
2.25–2.75
Al
0.40–1.00
Nb + Ta
0.70–1.20
Special Metals · X-750 · Table 9 · Ø1/2 in hot-finished bar, treatment B ↗

Mechanical properties

Reference conditions vary or are incomplete. Read the basis, condition and source for each column; these values do not establish a performance ranking or finished-fastener acceptance values.

Tensile strength1351 MPa
Typical reference sample
Solution treated + aged (treatment B)
Room temperature
Special Metals · X-750 · Table 9 · Ø1/2 in hot-finished bar, treatment B ↗
0.2% yield strength1027 MPa
Typical reference sample
Solution treated + aged (treatment B)
Room temperature
Special Metals · X-750 · Table 9 · Ø1/2 in hot-finished bar, treatment B ↗
Elongation24 %
Typical reference sample
Solution treated + aged (treatment B)
Room temperature
Special Metals · X-750 · Table 9 · Ø1/2 in hot-finished bar, treatment B ↗
Reference conditions
Data basis
Typical reference sample
Condition
Solution treated + aged (treatment B)
Sample form
Hot-finished bar
Sample size
Ø12.7 mm (1/2 in)
Test temperature
Room temperature
Test method
Not documented in this reference
Test direction
Not documented in this reference
Elongation gauge length
Not documented in this reference

Temperature & corrosion

Evaluate the medium, concentration, impurities, temperature and loading together. A melting point or oxidation reference is not a safe working-temperature limit.

Service conditions to reviewSpecify the heat treatment; X-750 has several distinct property conditions.
Temperature-dependent dataNot documented in this reference

Heat treatment

Delivery condition and heat-treatment requirements are agreed for the requested product form and order.

ConditionSolution treated + aged (treatment B)
Reference treatment1800°F / 1 h, air cool; 1350°F / 8 h, furnace cool to 1150°F; total aging 18 h.Special Metals · X-750 · Table 9 · Ø1/2 in hot-finished bar, treatment B ↗

Reference applications

Application examples provide context for review; suitability depends on the actual service conditions.

Reference applicationsGas-turbine assemblies · heat-treatment fixtures

Standards & documentation

Confirm the edition, product form and condition. Material specifications do not establish finished-fastener compliance.

Material specifications by form
Sources
Sources

Documents for your enquiry

Every BYBOLT delivery includes an MTC / EN 10204 3.1 certificate, heat-number traceability and mechanical testing. Threaded products include sampled GO / NO-GO gauging. Test methods and acceptance criteria follow the agreed specification; PMI, third-party inspection and additional records are agreed separately at quotation.

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