Inconel 718 Sheets,Plates and Coils
Inconel 718 Sheets, Plates, and Coils offered by Rose Metal Industries are premium nickel-chromium superalloy products designed to meet the demands of high-temperature, high-strength, and corrosion-resistant applications. As a leading manufacturer, stockist, and exporter, Rose Metal Industries supplies these products across Tamil Nadu, Andhra Pradesh, Karnataka, Telangana, Puducherry (Pondicherry), Andaman and Nicobar Islands, and international markets. These sheets, plates, and coils are widely used in aerospace, nuclear, oil & gas, marine, and power generation industries due to their exceptional performance in extreme environments..
The manufacturing process involves precision hot and cold rolling, followed by solution annealing and age-hardening to ensure uniform mechanical properties, dimensional accuracy, and surface quality. The sheets, plates, and coils are available in a wide range of thicknesses, widths, and lengths, providing flexibility for fabrication, machining, and structural applications. Rose Metal Industries also offers customized surface finishes such as mill finish, polished, or brushed, catering to specific client requirements..
Chemical composition of Inconel 718 includes 50–55% Nickel, 17–21% Chromium, 2.8–3.3% Molybdenum, and 4.75–5.5% Niobium + Tantalum, with controlled amounts of Titanium, Aluminum, and Carbon. This composition provides excellent resistance to oxidation, high-temperature creep, and corrosion, making it ideal for components exposed to seawater, acidic environments, or high-pressure steam. Locations such as Tamil Nadu, Andhra Pradesh, and the Andaman Islands particularly benefit from these properties due to coastal and industrial conditions..
Mechanically, Inconel 718 sheets, plates, and coils exhibit high tensile strength (≥1240 MPa), yield strength (≥1030 MPa), and hardness (up to 363 HB) depending on heat treatment. The material also maintains good elongation (≥12%), ensuring ductility for forming, welding, and machining operations. These superior mechanical characteristics make the alloy suitable for critical applications such as turbine blades, pressure vessels, reactor components, and high-temperature fasteners..
Specifications & Standards
| Property | Typical / Standard |
|---|---|
| Grades | Inconel 718 (UNS N07718 / ASTM B670 / EN 2.4851) |
| Standards | ASTM B670, AMS 5662, AMS 5663, EN 2.4851, ASME / UNS |
| Forms | Sheets, Plates, Coils |
| Surface Finish | Mill finish, polished, brushed |
| Testing | Dimensional, tensile, hardness, PMI, MTC |
Chemical Composition (typical ranges)
| Element | Inconel 718 (wt %) |
|---|---|
| Nickel (Ni) | 50–55 |
| Chromium (Cr) | 17–21 |
| Iron (Fe) | Balance |
| Cobalt (Co) | ≤1 |
| Molybdenum (Mo) | 2.8–3.3 |
| Niobium + Tantalum (Nb+Ta) | 4.75–5.5 |
| Titanium (Ti) | 0.65–1.15 |
| Aluminum (Al) | 0.2–0.8 |
| Carbon (C) | ≤0.08 |
| Manganese (Mn) | ≤0.35 |
| Silicon (Si) | ≤0.35 |
Mechanical Properties (typical)
| Property | Typical Value | Notes |
|---|---|---|
| Tensile Strength (UTS) | 1240–1380 MPa | Depends on product thickness and heat treatment |
| Yield Strength | 1030 MPa min | Heat treated condition |
| Elongation | 12–20% | Varies with thickness and processing |
| Hardness | 330–380 HB | After aging |
Equivalent Grades & Designations
| Common Name | ASTM / AISI | EN | UNS |
|---|---|---|---|
| Inconel 718 | ASTM B670 / AMS 5662 | 2.4851 | N07718 |
Dimension Chart — Sheets, Plates & Coils (Common sizes)
Standard thickness, width, and lengths supplied in mm & inch.
| Thickness (mm) | Width (mm) | Length / Coil ID | Tolerance |
|---|---|---|---|
| 0.5–3 | 1000–1500 | Coils / 2000–6000 mm | ±0.05–0.1 mm |
| 4–12 | 1000–2000 | 2000–6000 mm | ±0.1–0.2 mm |
| 13–25 | 1200–2500 | 2000–6000 mm | Custom |
| 26–50 | 1500–2500 | 2000–6000 mm | Custom |
Typical Applications
- Aerospace turbine components and engine parts
- Marine and subsea equipment
- Oil & gas drilling and processing equipment
- Power generation and nuclear reactor components
- Chemical processing and heat exchangers
- High-temperature industrial applications
Rose Metal Industries ensures full traceability with Mill Test Certificates (MTC), chemical analysis, and third-party inspection on request. The products conform to international standards such as ASTM B670, AMS 5662/5663, UNS N07718, and EN 2.4851, guaranteeing compliance with global engineering specifications. The company’s strong distribution network ensures timely delivery across South India, including Tamil Nadu, Karnataka, Telangana, Andhra Pradesh, Puducherry, and Andaman & Nicobar Islands, as well as worldwide exports.
Applications of Inconel 718 sheets, plates, and coils include aerospace structural components, marine and offshore equipment, oil & gas drilling tools, chemical processing plant structures, nuclear reactor components, and power generation turbines. Their combination of corrosion resistance, high strength, and thermal stability makes them a preferred choice for engineers seeking reliable and long-lasting solutions for critical applications in harsh environments worldwide.
Frequently Asked Questions (FAQ)
Q1: What is Inconel 718 and why is it used?
A: Inconel 718 is a nickel-chromium superalloy known for high strength, corrosion resistance, and excellent performance at elevated temperatures. It is widely used in aerospace, marine, oil & gas, and power generation industries.
Q2: Do you provide mill test certificates (MTC)?
A: Yes — Rose Metal Industries issues MTCs for all Inconel 718 sheets, plates, and coils, and can facilitate third-party inspection and chemical analysis on request.
Q3: What standards do your Inconel 718 sheets, plates, and coils comply with?
A: We supply material to customer-specified international standards including ASTM B670, AMS 5662/5663, UNS N07718, and EN 2.4851, depending on product form and application requirements.
Q4: Can you supply custom sizes, thicknesses, and surface finishes?
A: Yes — we offer custom cut-to-length sheets, plates, and coils, with options for polished, brushed, or mill finish surfaces. Contact our sales team for lead times and minimum order quantities.
Q5: Which applications are best suited for Inconel 718?
A: Inconel 718 is ideal for aerospace components, marine equipment, oil & gas tools, chemical processing, nuclear reactors, and power generation turbines due to its high strength, corrosion resistance, and thermal stability.