Ni-Cr Alloy Wear-Resistant Ring X-750/N07750 High Temperature Superalloy
Ni-Cr Alloy Wear-Resistant Ring X-750/N07750 High Temperature Superalloy
Inconel X-750 Wear-Resistant Ring | High-Performance Solution for Extreme Wear & Corrosion Environments
Inconel X-750 wear-resistant rings are premium sealing and load-bearing components engineered for harsh industrial applications combining high temperature, severe wear, and aggressive chemical exposure. As a precipitation-hardened nickel-chromium superalloy (UNS N07750 / W-Nr. 2.4669 / GH4145), X-750 delivers exceptional wear resistance through a unique combination of high hardness, precipitation strengthening, and corrosion resistance, outperforming conventional stainless steels and even some cobalt-based alloys in critical operating conditions.
Core Material & Wear Resistance Mechanism
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Category |
Details |
|---|---|
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Alloy Designation |
Inconel X-750 (UNS N07750, W-Nr. 2.4669, GH4145, 2.4669) |
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Material Type |
Precipitation-hardened nickel-chromium superalloy (γ" phase strengthened) |
|
Strengthening Phase |
γ" [Ni₃(Al, Ti, Nb)] + γ' [Ni₃(Al, Ti)] dual-phase precipitation strengthening |
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Wear Resistance Source |
High hardness (HRB 96 / HRC 36-42), fine grain structure, and corrosion-resistant passive film |
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Operating Temperature |
Up to 700°C (1290°F) continuous service; short-term up to 820°C (1500°F) |
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Key Advantages |
Excellent combination of wear resistance, corrosion resistance, creep resistance, and stress relaxation resistance |
Typical Wear-Resistant Applications
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Industry |
Key Applications |
Wear Challenges Addressed |
|---|---|---|
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Aerospace |
Aero-engine bearing retainers, turbine shaft wear rings, high-temperature fastener washers |
High-speed rotation wear, jet fuel corrosion, thermal cycling fatigue |
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Energy & Power |
Gas turbine shaft seals, steam turbine valve seats, nuclear reactor control rod guides |
High-temperature creep wear, steam oxidation, radiation-induced corrosion |
|
Oil & Gas |
Downhole tool centralizers, subsea wellhead seals, drill bit bearings |
Sand abrasion, H₂S/CO₂ corrosion, high-pressure erosion |
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Chemical Processing |
Pump and valve wear rings, reactor agitator seals, heat exchanger tube sheets |
Slurry erosion, chemical corrosion, temperature fluctuation wear |
|
Automotive |
Turbocharger bearing housings, exhaust system components, high-performance engine valve guides |
Exhaust gas corrosion, high-temperature wear, mechanical friction |
Customization & Quality Assurance
We offer full-range customization options to meet your specific wear resistance requirements:
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Size Customization: Outer diameter, inner diameter, thickness, and profile can be tailored to your equipment drawings
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Surface Enhancement: Optional wear-resistant coatings (plasma nitriding, DLC, etc.) to further improve service life
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Heat Treatment Optimization: Custom aging cycles for specific operating temperatures and load conditions
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Quality Documentation: Complete Material Test Reports (MTR), hardness test results, grain size analysis, and non-destructive testing (NDT) records
All Inconel X-750 wear rings undergo rigorous quality control including ultrasonic testing, magnetic particle inspection, and dimensional verification to ensure compliance with aerospace and industrial standards.
Why Choose Inconel X-750 Over Other Wear-Resistant Alloys?
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Superior Corrosion-Wear Synergy: Unlike conventional wear-resistant steels, X-750 maintains excellent corrosion resistance in aggressive environments, preventing "corrosion-assisted wear" failure
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High-Temperature Stability: Retains wear resistance and mechanical properties at temperatures where standard wear materials soften and fail
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Long-Term Cost Efficiency: Extended service life (5-10x longer than stainless steel) reduces maintenance frequency and downtime costs
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Versatile Performance: Suitable for both dry and lubricated wear applications, as well as static and dynamic sealing scenarios
DINGSCO Complete Production Chain:
SMELTING → FORGING → HEAT TREATMENT → MACHINING → HOT EXTRUSION
①Foundational Assurance in Smelting and Forging:
VIM furnaces ensure alloy purity; ESR furnaces further optimize internal structure. Forging yields diverse billets, laying a defect-free foundation for downstream processing and controlling material properties at the source.
②Precision Control in Intermediate Processing:
Heat treatment is customized for alloys. CNC machining enables high-precision forming, yielding semi-finished parts to ensure pre-extrusion billets meet forming specs.
③Synergistic Value of Hot Extrusion with Full Process:
The new hot extrusion press is part of an integrated system: High-purity alloys (VIM/ESR), dense forging microstructures, and heat-treated performance collectively enable stable extrusion of hard-to-form alloys. Produced complex components: seamless pipes, profiles; material utilization up 15-20%. Full-process efficiency cuts standard model lead times to 5-10 days.
④Quality and Delivery Assurance:
Every batch comes with EN 10204 Type 3.1 certification, inspected by our internal QC team. We support third-party audits (BV, SGS, etc.), and offer custom manufacturing per drawings with sample testing available.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.