Inconel 718 Plate
Inconel 718 plate is made of a special type of high-strength superalloy whose nickel-chromium base makes it resistant to corrosion, high pressures and temperatures up to 700°C. Due to its unique properties, Inconel 718 plate has become useful in a wide range of applications from manufacturing operations to military equipment and the aerospace industry.

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Product Description

Inconel 718 Plate Description

Inconel 718 is a high-strength, high-temperature, corrosion-resistant nickel-based alloy whose chemical composition includes elements such as nickel, chromium, molybdenum, iron, cobalt, aluminum, titanium, zirconium, carbon, and manganese. Inconel 718 has a melting point of 1430°C and displays effective heat and temperature resistance. It also works well at low temperatures. This nickel superalloy has the inherent ability to create a strong and stable oxide layer when heated. In addition, the layer makes this Inconel variant significantly resistant to oxidation, thus protecting it from corrosion. Inconel 718 plate can be manufactured through a variety of processing methods, such as forging, hot rolling, cold drawing and welding. However, at high temperatures, it is prone to oxidation and hardening, and appropriate preheating and post-processing measures need to be taken to reduce this phenomenon.

Product Parameters

Product Name  Inconel 718 Plate Description
Thickness  0.3mm-200mm 
Length2000mm, 2438mm, 3000mm, 5800mm, 6000mm, 12000mm, etc.
Width40mm-600mm, 1000mm, 1219mm, 1500mm, 1800mm, 2000mm, 2500mm, 3000mm, 3500mm, etc. 
StandardASTM, AISI, JIS, GB, DIN, EN, etc. 
SurfaceBA, 2B, NO.1, NO.4, 4K, HL, 8K, etc.  
Certificate ISO, SGS, BV
Production Technology Hot Rolling, Cold Rolling

Mechanical Properties


BCAlSiPSTiCrMnFeCoNiCu
Mo
Cb (Nb Ta)
0.006 max 0.08 max0.20-0.80
0.35 max0.015 max0.015 max0.64-1.15 max17.00-21.000.35 maxRemainder1.0 min50.0-55.00.30 max2.80-3.30
4.75-5.50


Mechanical Properties


Tensile Strength (ksi)  0.2% Yield Strength (ksi)  Elongation% in 2 inches 
18015012


Physical Performance


Units  Temperature in°C 
Density8.19 g/cm:Room
Specific Heat0.104 Kcal/kg.C21°
Melting Range1260-1366°C-
Modulus of Elasticity199.9 KN/mm?21°
Electrical Resistivity125 μQ.cmRoom
Coefficient of Expansion13.0 um/m °C20-100°
Thermal Conductivity11.1 w/m-°K21°

Scope of Application

This nickel steel alloy can be manufactured rapidly and can be welded in an annealed or precipitation (age) hardened condition. This superalloy is used as part of various commercial enterprises, such as aerospace, marine engineering, chemical processing, pollution control equipment and nuclear reactors.

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