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Inconel 718 B670

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Inconel 718 B670

Inconel 718 B670 Plate is a high-strength, corrosion-resistant nickel-chromium alloy renowned for its outstanding mechanical properties, especially at elevated temperatures. This precipitation-hardenable alloy provides exceptional creep resistance, stress rupture strength, and fatigue resistance, making it ideal for extreme applications. Inconel 718 B670 Plate exhibits remarkable performance in high-pressure and high-temperature environments, owing to the presence of niobium, molybdenum, and titanium, which significantly enhance its strength and thermal stability. Manufactured in accordance with the ASTM B670 specification, it is widely appreciated for its weldability, machinability, and structural integrity. This alloy is extensively used in aerospace, gas turbines, nuclear power plants, and oil & gas industries, where it can sustain extreme conditions without compromising performance. Renam Alloys Inc. delivers Inconel 718 Plates that guarantee precision, durability, and long-lasting performance in critical operations.


Renam Alloys Inc. – Trusted Supplier & Stockist of ASTM B670 Inconel 718 Plates, Inconel 718 Sheets, Inconel 718 Hot Rolled Plates, and Inconel 718 Cold Rolled Plates throughout India. We offer a wide inventory of Inconel 718 Coils, Strips, and Sheets for use in advanced industrial sectors. Renam Alloys Inc. stands as a leading exporter and distributor of Inconel 718 Alloy Plates and Sheets, extensively applied in AEROSPACE ENGINEERING, POWER GENERATION, CRYOGENIC APPLICATIONS, and MARINE ENVIRONMENTS, offering SUPERIOR RELIABILITY and EXCEPTIONAL SERVICE LIFE.


Features of Inconel 718 B670 Plate

Inconel 718 B670 Plates offer exceptional tensile strength, creep resistance, and oxidation resistance at both high and cryogenic temperatures. These plates exhibit outstanding fatigue resistance and are highly effective in resisting stress-corrosion cracking and pitting, even in harsh environments. Their remarkable mechanical properties, combined with excellent weldability and fabricability, make them ideal for use in aerospace, nuclear, marine, and oil & gas industries where durability under high-stress and extreme conditions is essential.


Characteristics of Inconel 718 B670 Plate

Inconel 718 B670 Plates are composed of a nickel-chromium alloy enriched with molybdenum, niobium, titanium, and aluminum, providing superior precipitation hardening characteristics. These plates maintain high strength, ductility, and fracture toughness over a wide temperature range. Their ability to resist thermal fatigue and perform in oxidizing environments makes them ideal for jet engines, gas turbines, and cryogenic storage tanks. The alloy's non-magnetic nature and stability make it suitable for mission-critical components in high-performance systems.


Manufacturing of Inconel 718 B670 Plate

The manufacturing of Inconel 718 B670 Plates involves advanced hot rolling and cold rolling processes to achieve precise dimensional tolerances and superior surface quality. The plates undergo rigorous solution annealing and precipitation hardening heat treatments to maximize mechanical strength and corrosion resistance. At Renam Alloys Inc., each plate is subjected to a thorough quality assurance protocol, including chemical composition analysis, mechanical property testing, and dimensional verification, ensuring full compliance with ASTM B670 standards and the highest performance in demanding industrial environments.


Specifications

Specification ASTM B670 / ASME SB670
Width 1000mm - 3000mm
Thickness 3mm - 100mm
Length 2000mm - 12000mm
Supply Condition Hot-Rolled, Cold-Rolled, Annealed, and as per customer requirements.
Impact Tested -196°C
Process of Manufacturing Hot-Rolled, Cold-Rolled, Annealing, Pickling, and Passivation

Chemical Composition of Inconel 718 B670 Plate

Element Composition (%)
Nickel (Ni) 50.0 - 55.0
Chromium (Cr) 17.0 - 21.0
Iron (Fe) Balance
Niobium (Nb) + Tantalum (Ta) 4.75 - 5.50
Molybdenum (Mo) 2.80 - 3.30
Titanium (Ti) 0.65 - 1.15
Aluminum (Al) 0.20 - 0.80
Cobalt (Co) 1.0 max
Manganese (Mn) 0.35 max
Silicon (Si) 0.35 max
Carbon (C) 0.08 max
Phosphorus (P) 0.015 max
Sulfur (S) 0.015 max
Boron (B) 0.006 max

Mechanical Properties of Inconel 718 B670 Plate

Property Value
Tensile Strength 135,000 psi (930 MPa) min
Yield Strength 75,000 psi (517 MPa) min
Elongation 12% (in 2 inches / 50 mm)
Hardness Rockwell C: ≤ 40
Modulus of Elasticity 200 GPa (29 x 10⁶ psi)
Poisson's Ratio 0.29
Shear Modulus 77 GPa (11.2 x 10⁶ psi)

Equivalent Grades of Inconel 718 B670 Plate

Standard ASTM B670 ASME SB670 EN UNS Werkstoff Nr. ISO
Equivalent Grade Inconel 718 Inconel 718 NiCr19NbMo N07718 2.4668 NC19FeNb

WE OFFER THE FOLLOWING PROCESSING FOR NICKEL ALLOY PLATES

Cutting, Forming, Drilling / Machining, Grinding, Testing, Polishing


Applications of Inconel 718 B670 Plates

Inconel 718 B670 Plates are widely recognized for their exceptional high-temperature strength, outstanding corrosion resistance, and excellent fatigue and creep-rupture performance. These plates are engineered to withstand extreme environments, particularly in applications where both mechanical and thermal stresses are high.

In the aerospace sector, Inconel 718 B670 Plates are extensively used in aircraft engines, turbine discs, jet engine components, and rotors due to their ability to retain strength and integrity at elevated temperatures. Their high tensile and yield strength, even in the aged condition, make them ideal for parts exposed to extreme mechanical forces and heat.

In the nuclear industry, these plates serve critical functions in nuclear reactors and fuel element components, where resistance to neutron radiation and high-temperature oxidation is vital. Their stability under prolonged heat exposure and their low creep rates enhance safety and longevity in such high-demand settings.

The oil and gas sector also benefits from the use of Inconel 718 B670 Plates in downhole tooling, wellhead components, and sealing mechanisms, particularly in sour gas environments where resistance to hydrogen sulfide and chlorides is necessary. Their robust nature ensures durability in harsh subterranean conditions.

These plates are also favored in the marine and offshore industries for use in pump shafts, valves, and fasteners, offering excellent resistance to saltwater corrosion and biofouling. Their toughness and long-term reliability make them a trusted material for subsea structures and components.

Furthermore, Inconel 718 B670 Plates are used in the chemical processing industry in equipment such as heat exchangers, tanks, and piping systems where exposure to corrosive chemicals and high pressures is frequent. Their comprehensive resistance to a broad spectrum of corrosive agents ensures minimal maintenance and extended operational life.