B2B Industrial Product Nickel Alloy Bar

Inconel 718 Bar for Electric Power Equipment

Inconel 718 bar is a reliable nickel-based superalloy featured with great heat resistance, corrosion resistance and high strength, widely used to make core parts for various power generation and power transmission equipment.

Product Model
Inconel 718 Bar for Electric Power Equipment
Minimum Order
100kg
Lead Time
7-15Day
Customization
Supported

Send drawings, quantity, destination, standards, and certificate needs for a precise RFQ response.

Inconel 718 Bar for Electric Power Equipment

Product Introduction

Built for Global Industrial Procurement

Inconel 718 bar is a reliable nickel-based superalloy featured with great heat resistance, corrosion resistance and high strength, widely used to make core parts for various power generation and power transmission equipment.

Item Details
Product Brief Introduction Inconel 718 bar is a high-performance nickel-based superalloy specially designed for electric power equipment. It has excellent high-temperature resistance, corrosion resistance and mechanical strength, and is mainly used to manufacture key components of power generation equipment, ensuring stable and safe operation of electric power systems.
Core Selling Points 1. Excellent high-temperature stability: Can work stably for a long time at 650℃, and maintain excellent mechanical properties under high-temperature conditions of power equipment (such as boiler, turbine), avoiding component deformation or failure;

2. Strong corrosion resistance: Resist corrosion of high-temperature flue gas, steam, electrolyte and other media in power systems, reduce equipment rust and damage, and extend service life;

3. High mechanical strength and fatigue resistance: Bear long-term high load, vibration and alternating stress in power generation operation, reduce component failure rate and ensure continuous power supply;

4. High dimensional precision: Strictly control diameter, length, straightness and roundness tolerances, meet the precise assembly requirements of power equipment components;

5. Good machinability and weldability: Easy to process into complex-shaped power parts (such as turbine shafts, valve components), and the welding strength is consistent with the base material, ensuring component integrity;

6. Stable batch performance: Uniform chemical composition and mechanical properties, suitable for large-scale production of power equipment, ensuring the consistency of components;

7. Anti-oxidation and anti-creep: Resist high-temperature oxidation and creep deformation, adapt to long-term continuous operation of power generation equipment, reduce maintenance costs.

Standards 1. International Standards: ASTM B637 (Nickel-Chromium-Iron Alloy Bars for Electric Power), AMS 5662 (High-Temperature Alloy Bars for Power Equipment), DIN 17752 (Nickel Alloy Bars for Electric Power Industry);

2. Quality System Certification: ISO 9001, ISO 14001, ensuring compliance with electric power industry quality and environmental protection requirements;

3. Testing Standards: ASTM E8 (Tensile Testing), ASTM E23 (Impact Testing), ASTM E466 (Fatigue Testing), ensuring the accuracy and reliability of product performance testing.

Material Grade 1. Main Grade: Inconel 718 (Electric Power Grade);

2. International Designations: UNS N07718 (American Standard), W.Nr. 2.4668 (German Standard), EN 2.4668 (European Standard);

3. Equivalent Grades: GB GH4169 (Chinese Electric Power Standard), JIS NW7718 (Japanese Standard), fully compatible with global electric power equipment manufacturing standards.

Chemical Composition (Weight %) 1. Nickel (Ni): 50.00 – 55.00;

2. Chromium (Cr): 17.00 – 21.00;

3. Iron (Fe): 14.00 – 18.00;

4. Molybdenum (Mo): 2.80 – 3.30;

5. Niobium (Nb): 4.75 – 5.50;

6. Titanium (Ti): 0.65 – 1.15;

7. Aluminum (Al): 0.20 – 0.80;

8. Carbon (C): ≤0.08;

9. Manganese (Mn): ≤0.35;

10. Silicon (Si): ≤0.35;

11. Phosphorus (P): ≤0.015;

12. Sulfur (S): ≤0.015;

13. Copper (Cu): ≤0.30.

Mechanical Properties (Electric Power Grade Annealed State) 1. Tensile Strength: ≥1240 MPa;

2. 0.2% Yield Strength: ≥860 MPa;

3. Elongation (δ5): ≥15%;

4. Reduction of Area (ψ): ≥30%;

5. Hardness (HB): 300 – 380;

6. Impact Toughness (Akv, Room Temperature): ≥60 J;

7. High-Temperature Tensile Strength (650℃): ≥900 MPa;

8. Fatigue Strength (10⁷ Cycles): ≥550 MPa;

9. Thermal Stability: No obvious performance attenuation after 1000 hours of high-temperature aging.

Dimensional Tolerance (Electric Power Grade Precision) 1. Diameter Tolerance: Precision Grade (≤50mm): ±0.015mm; Ordinary Grade (50-100mm): ±0.02mm, ensuring precise fit with power equipment processing molds;

2. Length Tolerance: Fixed Length (1m-6m): ±0.2mm/m, maximum full-length tolerance ≤0.8mm; customizable length up to 12m, meeting different power component processing needs;

3. Straightness: ≤0.15mm/m, full-length straightness error ≤0.4mm/6m, avoiding processing deformation caused by bending;

4. Roundness: ≤0.01mm (diameter ≤50mm); ≤0.015mm (diameter 50-100mm), ensuring uniform diameter and stable processing performance;

5. Surface Finish: Ra ≤0.8μm, no scratches, no oxide scale, meeting the precision assembly requirements of power equipment.

Why the Electric Power Industry Uses This Material 1. High-temperature adaptability: Power equipment (boilers, turbines, generators) works at high temperatures (up to 600℃+) for a long time, and Inconel 718 bar can maintain stable performance without deformation, which is far superior to ordinary alloy materials;

2. Corrosion resistance fits working environment: It can resist the corrosion of high-temperature flue gas, steam, electrolyte and other media in power systems, avoid component rust and leakage, and ensure the safe operation of power equipment;

3. High strength and fatigue resistance: Power generation equipment bears long-term high load, vibration and alternating stress, and the strong mechanical properties of this material can reduce component failure rate, ensure continuous power supply;

4. Machinability and batch stability: It is easy to process into complex-shaped power parts, and the batch performance is uniform, which is suitable for large-scale production of power equipment manufacturers, ensuring production efficiency and product consistency;

5. Compliance with industry standards: It fully meets the strict quality and performance standards of the electric power industry, can pass power equipment acceptance, and ensures the stability of the power grid;

6. Cost-saving: The long service life of the product reduces the frequency of component replacement and maintenance, indirectly reducing the operation and maintenance costs of power enterprises.

Applicable Working Conditions in the Electric Power Industry 1. Thermal Power Plants: Boiler components, turbine shafts, turbine blades, valve seats, high-temperature pipeline connectors (working under high temperature, high pressure and flue gas corrosion);

2. Nuclear Power Plants: Nuclear reactor cooling system components, high-temperature and high-pressure pipeline parts, control valve components (resisting radioactive media and high temperature and pressure);

3. Hydropower Plants: Hydraulic turbine components, generator rotor shafts, high-pressure valve cores (bearing high load and water corrosion);

4. Solar Thermal Power Plants: High-temperature heat exchange components, heat collector support parts (adapting to high-temperature solar radiation and thermal shock);

5. Wind Power Plants: Wind turbine gearbox shafts, generator components (resisting outdoor harsh environment and alternating load);

6. Power Transmission Equipment: High-voltage switch components, transformer accessories (resisting corrosion and ensuring stable electrical performance).

Corresponding User Needs in the Electric Power Industry 1. High Safety Demand: Electric power enterprises need key components to have extremely high reliability and low failure rate, and this product’s high-temperature stability and corrosion resistance can fully ensure the safe operation of power equipment;

2. High Precision Demand: Power equipment components have strict assembly requirements, and the high dimensional precision of the product can meet the precise fit needs of parts, avoiding assembly errors;

3. High Performance Demand: With the upgrading of power equipment (high efficiency, large capacity), manufacturers need materials with high strength, high temperature resistance and corrosion resistance to improve equipment performance;

4. Batch Stability Demand: Uniform chemical composition and mechanical properties of the product can meet the large-scale mass production needs of power equipment manufacturers, ensuring the consistency of components;

5. Standard Compliance Demand: The product meets international and electric power industry standards, ensuring that components can pass power project acceptance and grid access;

6. Cost Control Demand: The long service life of the product reduces the frequency of component replacement and maintenance, reducing the operation and maintenance costs of power enterprises.

Common Related Products in the Electric Power Industry 1. Inconel 718 Electric Power Forgings: Used to manufacture large and complex power components such as turbine disks, boiler headers and generator rotor shafts;

2. Inconel 718 Electric Power Welding Wire: Used for welding Inconel 718 bar components, ensuring welding strength and consistency with the base material, meeting electric power welding standards;

3. Inconel 718 Electric Power Tube: Used for power plant high-temperature pipelines, boiler cooling pipes and heat exchange pipes;

4. Inconel 718 Electric Power Sheet/Plate: Used for boiler shells, turbine casings and power equipment structural parts;

5. Inconel 718 Electric Power Fasteners: High-precision bolts, nuts and screws used to connect key power parts, ensuring connection strength and corrosion resistance;

6. Inconel 718 Precision Machined Parts: Finished power parts directly processed from Inconel 718 bar, such as valve stems, turbine blades and connecting rods, which can be directly assembled and used.

Supplementary Information (For Electric Power Manufacturers) 1. Test Reports: Provide complete test reports, including material test report (MTR), mechanical performance test report, high-temperature performance test report and dimensional precision test report, meeting electric power project acceptance requirements;

2. Machining Guidance: Provide professional electric power-grade machining parameters (cutting speed, feed rate, tool selection) to help manufacturers reduce processing difficulty and improve processing precision;

3. Material Traceability: Establish a full-process traceability system, from raw material procurement to finished product delivery, with complete records, which can be queried and verified, meeting the electric power industry’s quality traceability requirements;

4. Packaging Protection: Adopt anti-corrosion, moisture-proof and anti-collision packaging, each bar is separated by a protective sleeve to avoid scratches during transportation, ensuring product surface quality;

5. Technical Support: Provide professional electric power technical guidance, solve problems encountered in processing, welding and assembly, and assist manufacturers in optimizing production processes;

6. Delivery Guarantee: Short delivery cycle, support urgent power orders, ensure the production progress of electric power equipment manufacturers.

Technical Data

Product Specifications

Specifications can be adjusted according to drawings, standards, working conditions, packaging requirements, and target market compliance.

Product specification table for Inconel 718 Bar for Electric Power Equipment
Material Customizable according to application requirements
Dimensions Available according to drawings or samples
Surface Treatment Optional finishes available upon request
Quality Standard Manufactured to agreed inspection and compliance standards
Packaging Export-ready packaging or customized packaging options

Material Control

Chemical Composition

Chemical composition support information
Standard / Grade Customizable according to buyer specification or industry standard.
Composition Report COA, MTC, or equivalent documentation available on request.
Traceability Batch, lot, heat number, or supplier traceability support where applicable.
Third-party Test Inspection by recognized third-party agencies can be arranged before shipment.

Performance Control

Mechanical Properties

Mechanical properties support information
Strength / Hardness Matched to selected material, grade, process, and buyer performance standard.
Tolerance Dimensional tolerance and surface finish can be customized by drawing.
QC Report Pre-shipment measurement, visual inspection, and test reports available.
Sample Approval Sample confirmation or pilot order support before bulk production.

Application Industries

Suitable for Selected Application Industries

The following industries are selected for this product based on its application fit.

No. Industry
01 Electric power

Customization

OEM / ODM Support

Flexible OEM and ODM support is available for project-specific dimensions, materials, surface treatment, branding, packaging, and compliance requirements.

Recommended RFQ Details

Drawing, material, quantity, certificate request, packaging method, destination, and target delivery date.

Certificates & Compliance

Certification Information

ISO 9001:2015 ISO 14001:2015 ISO 45001:2018 ISO 50001:2018 CE UKCA FDA REACH EAC CNAS ISO 17025 ILAC-MRA CE MD

Each order is reviewed against applicable product specifications, inspection standards, and buyer requirements before shipment.

Warranty & Documents

Buyer Support

Standard buyer support is available for documentation, compliance questions, and post-purchase assistance.