Inconel X-750 Sheet Plate | AMS 5540 | UNS N07750

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PM Industries manufactures, supplies, and stocks AMS 5540 Inconel X-750 Sheet Plate (UNS N07750). AMS 5540 covers X-750 in sheet and strip form to full aerospace specification requirements, defining chemistry, mechanical properties, heat treatment condition, and surface quality. X-750 is a precipitation-hardenable nickel-chromium alloy strengthened by aluminum and titanium additions that form gamma-prime precipitates during aging. That strengthening mechanism gives it significantly higher strength than solid-solution nickel alloys at equivalent temperature, while retaining the oxidation resistance that chromium provides.

Sheet and strip form makes X-750 accessible for spring, formed component, and structural sheet metal applications where bar or forged forms aren't suitable. The combination of age-hardening capability with reasonable sheet formability in the annealed condition is what puts X-750 into spring strip, formed retaining hardware, and precision sheet metal applications alongside its more widely known bar and fastener uses.

Spring relaxation resistance is a property that specifically drives X-750 sheet and strip into aerospace and gas turbine spring applications. A spring that operates at elevated temperature under sustained load gradually relaxes, losing spring force as the material creeps. In turbine seal springs, fuel control springs, and actuator return springs that must maintain consistent load over thousands of operating hours at temperature, that relaxation directly affects system performance and safety margins. X-750's gamma-prime strengthening resists that creep and relaxation better than standard austenitic stainless spring alloys, which is why it's the standard specification for high-temperature springs in jet engine applications.

Cryogenic toughness retained through the full temperature range down to liquid hydrogen temperatures makes X-750 sheet useful for cryogenic structural applications alongside its elevated temperature service. The austenitic structure maintains ductility at very low temperatures where ferritic and martensitic materials become brittle, and X-750's strength in the aged condition is useful for cryogenic storage and handling hardware that needs to be both strong and tough.

Non-magnetic behavior in all conditions matters for specific aerospace, medical, and defense applications where magnetic interference with sensors, navigation systems, or imaging equipment must be avoided. X-750 maintains this non-magnetic behavior even after aging, unlike many alloys that develop magnetic response with heat treatment or cold work.

Formability in the solution-annealed condition allows the sheet to be stamped, blanked, formed, and wound into spring coils before final aging. Parts are brought to near-final geometry in the annealed state, then aged to develop the full precipitation-hardened mechanical properties in the finished component. That sequence is the practical approach for precision formed parts and spring strip where forming in the fully hardened condition would be impractical.

Sheet and plate are available in the solution-annealed condition with full material certification to AMS 5540 and applicable specifications. Contact PM Industries for thickness, width, length, quantity, and pricing.

Specification Buy Inconel X-750 Sheet Plate | AMS 5540 | UNS N07750

Specifications	ASME SA 240/ASTM A 240
Standard Sizes	1000 x 2000 mm, 1220 x 2440 mm, 1500 x 3000 mm, 2000 x 2000 mm, 2000 x 4000 mm
Width	10-2500mm
Length	2000mm, 2440mm, 3000mm, 5800mm, 6000mm, etc
Surface	2B, 2D, BA, NO.1, NO.4, NO.8, 8K, mirror, checkered, embossed, hairline, sand, blast, Brush, etching, etc
Thickness	0.1mm to 100 mm Thk
Hardness	Quarter Hard, Half Hard,Spring Hard, Soft, Hard
Stock available in form of	Shim Sheet, Rolls, Strip, Flats, Clad Plate, Plain Sheet, Plate, Sheet, Coils, Foils, Rolling Sheet, Rolling Plate, Flat Shim, Flat Sheet, Blank (Circle), soft annealed, sheared, annealed, tread plate,descaled, Checker Plate
Profiling	Plasma Plate Cutting
Value added services	Plasma cutting, Waterjet cutting, Laser cutting, welding, edge preparation, etc.
Test Certificates	EN 10204/3.1B, NACE MR0103, NACE MR0175
	Raw Materials Certificate
	100% Radiography Test Report
	Third Party Inspection Report, etc

Available Types of Inconel X-750 Sheet & Plate

Inconel X-750 Sheets & Plates – Equivalent Grades

STANDARD	WERKSTOFF NR.	UNS
Inconel X750	2.4669	N07750

Inconel X-750 Sheet & Plate – Chemical Composition

Grade	C	Mn	Si	S	Cu	Fe	Ni	Cr
Inconel X750	0.08 max	1 max	0.50 max	0.01 max	0.50 max	5 - 9	70 min	14 - 17

Inconel X-750 Sheets & Plates – Mechanical Properties

Density	Melting Point	Tensile Strength	Yield Strength (0.2%Offset)	Elongation
8.28g/cm³	1430°C (2600°F)	Psi – 181000 , MPa – 1250	Psi – 123000 , MPa – 850	26 %