Premium Grade Inconel X-750 Raw Material Supply

When engineering components for extreme aerospace, gas turbine, or high-stress spring applications, material integrity starts with the raw feedstock. Inconel X-750 (UNS N07750 / W.Nr. 2.4669) is a precipitation-hardenable nickel-chromium-iron superalloy, distinguished by its ability to retain high tensile strength up to 815°C and exhibit superior stress-relaxation resistance below 540°C. Shanghai COCESS Special Alloys Co., Ltd​ supplies premium grade Inconel X-750 raw materials, ensuring that the foundational metallurgy meets the strictest compositional and mechanical benchmarks required for critical downstream manufacturing.

Certified Chemical Purity & Composition

The performance of Premium Grade X-750 hinges on a tightly controlled elemental balance, specifically calibrated to optimize the precipitation of the gamma-prime (γ') strengthening phase (Ni₃(Al, Ti, Nb)):

• Nickel (Ni):​ ≥ 70.0% (Balance). Provides the austenitic matrix stability essential for cryogenic to high-heat performance.

• Chromium (Cr):​ 14.0 – 17.0%. Delivers the baseline oxidation and corrosion resistance necessary for harsh environments.

• Titanium (Ti):​ 2.25 – 2.75%. A primary driver for γ' phase volume, directly correlating to peak aged hardness and yield strength.

• Aluminum (Al):​ 0.40 – 1.00%. Works in synergy with Ti to refine the γ' precipitate distribution, enhancing high-temp stability.

• Niobium + Tantalum (Nb+Ta):​ 0.70 – 1.20%. Stabilizes the microstructure and contributes to long-term creep resistance.

• Iron (Fe):​ 5.0 – 9.0%. Balances cost while aiding in the hot-workability of the alloy billets.

• Controlled Impurities:​ Carbon (C) ≤ 0.08%, Manganese (Mn) ≤ 1.00%, Silicon (Si) ≤ 0.50%, Sulfur (S) ≤ 0.010%. Premium grading demands minimal impurities to prevent intergranular weakening and ensure weld integrity.

Baseline Mechanical & Physical Benchmarks

Our premium raw material supply is characterized by intrinsic properties that define its machinability and structural potential prior to final part heat treatment:

• Physical Constants:​ Density is standardized at 8.28 g/cm³, crucial for rotational mass calculations in turbine designs. The melting range sits at 1393°C – 1427°C, indicating a robust solidus for high-heat flux exposure. The Modulus of Elasticity remains high at approx. 214 GPa​ (Room Temp), providing the stiffness required for spring and fastener stock.

• Typical Annealed Mechanical State:​ In its solution-annealed (soft) condition—ideal for subsequent forging or heavy machining—the material typically exhibits a Tensile Strength of 895–965 MPa, Yield Strength (0.2% offset) of 550–620 MPa, and Elongation of 25–30%. This ductility is vital for customers performing cold-heading or complex forming operations before the final aging cycle.

• Thermal Character:​ Features a low Coefficient of Thermal Expansion (approx. 13.1 × 10⁻⁶/°C​ from 20–100°C), reducing thermal mismatch risks when paired with steel components in variable temperature cycles.

Premium Raw Material Forms & Compliance

Shanghai COCESS Special Alloys Co., Ltd​ delivers X-750 in its most versatile raw forms, prepared to meet rigorous international specifications:

• Round Bars (Hot Rolled / Forged):​ Supplied in diameters ranging from 10mm to 300mm+. Available in Solution Treated condition (ready for machining) or Rough Turned (Peeled) to remove decarburized surface layers, ensuring the premium core chemistry is presented to the cutting tool. Complies with ASTM B637 / ASME SB-637​ and AMS 5667/5668.

• Wire & Rod Coils:​ Precision drawn rounds (typically 1.0mm to 12mm) for spring winding or fastener heading, often supplied in a "Spring Temper" (cold worked) or annealed state per AMS 5698/5699.

• Plate & Sheet Billets:​ Starting gauge materials (thickness 3.0mm to 50mm+) conforming to AMS 5542/5598, prepared for deep drawing or profile cutting into high-temp shrouds and casings.

Quality Assurance for Raw Stock

Sourcing Premium Grade material from Shanghai COCESS Special Alloys Co., Ltd​ guarantees:

• Traceability:​ Every batch of raw material is accompanied by an EN 10204 3.1 Mill Test Certificate, detailing the exact heat number, spectrographic chemical analysis, and verification of mechanical properties in the supplied condition.

• Cleanliness:​ Our premium designation implies stringent vacuum or electro-slag remelting practices (VAR/ESR) to minimize non-metallic inclusions, which is non-negotiable for rotating components (e.g., turbine blades) or high-fatigue spring applications.

• Dimensional Integrity:​ Raw bars and wires are checked for straightness and diameter tolerance (h9/h11 or custom), reducing setup time and scrap rates in your CNC machining or forming lines.

For procurement of verified, premium-grade Inconel X-750 raw materials tailored to your manufacturing standards, contact the technical supply team at Shanghai COCESS Special Alloys Co., Ltd.

Website: https://en.cocessalloys.com
Email: sales@cocessalloys.com