Nimonic PE11 alloy is a nickel-based high-temperature alloy with excellent high-temperature strength, thermal fatigue resistance and corrosion resistance. The alloy is commonly used in the manufacture of high-temperature components in aerospace, petrochemical and nuclear energy.
Chemical Composition:
The chemical composition of Nimonic PE11 alloy is as follows:
Element | Chemical Composition (Mass Fraction)
Nickel (Ni) | 59 per cent
Titanium (Ti) | 4.5 %
Aluminium (Al) | 4.5%
Niobium (Nb) | 3.5
Tungsten (W) | 6%;
Chromium (Cr) | 12%
Cobalt (Co) | 2%
Zirconium (Zr) | 0.04%
Carbon (C) | 0.06%
Sulphur (S) | 0.015%
Iron (Fe) | 2
Boron (B) | 0.006%
Production Standards:
Production standards for Nimonic PE11 alloy include AMS 5844, an aerospace material specification for the manufacture of nickel-based high-temperature alloys in steel, plate, bar, forgings, etc., and BS HR3, a British Standard specification for the manufacture of high-temperature alloys in plate, bar, and castings.
Corrosion Resistance:
Nimonic PE11 alloy has excellent corrosion resistance and maintains its performance stability in a wide range of corrosive media. The alloy can be used for long periods of time in strong corrosive media such as nitric, hydrochloric, sulfuric and hydrofluoric acids. In addition, Nimonic PE11 alloy has good oxidation resistance and maintains its stability at elevated temperatures.
Typical Applications:
Nimonic PE11 alloy is widely used in aerospace, petrochemical and nuclear applications. In aerospace, Nimonic PE11 alloy is commonly used in the manufacture of high-temperature components such as jet engine nozzles, turbine blades and high-temperature valves. In the petrochemical sector, the alloy is used to manufacture equipment such as chemical reactors, pipelines, tanks and furnaces. In the nuclear energy sector, Nimonic PE11 alloy is used to manufacture high-temperature components in nuclear reactors. In addition, the alloy is used in the manufacture of high-temperature heat exchangers, high-temperature furnaces and heat treatment equipment.
Processing and Heat Treatment:
Nimonic PE11 alloy can be subjected to hot working, cold working and heat treatment processes to meet different manufacturing requirements.
Hot working:
The hot working temperature range of Nimonic PE11 alloy is 1050-1150°C. It can be subjected to forging, rolling and extrusion processes. During hot working, appropriate preheating and insulation measures should be taken to ensure uniform heating of the material and to avoid thermal cracking.
Cold working:
Nimonic PE11 alloy can be cold worked, including cold drawing, cold rolling, cold forging and cold extrusion processes. During cold working, care should be taken to avoid overcooling, which may affect the high temperature properties of the material.
Heat Treatments:
Nimonic PE11 alloy can be subjected to a variety of heat treatment processes, including solid solution treatment, aging treatment and annealing treatment. Among them, the solid solution treatment temperature is 1140-1175°C, the aging treatment temperature is 760°C, and the annealing treatment temperature is 980°C. In the heat treatment process, attention should be paid to the control of parameters such as heating rate, holding time and cooling method to ensure the stability of material properties.
Machining:
Nimonic PE11 alloy requires special measures during machining so as not to affect its high temperature performance and surface quality. The use of carbide or ceramic tools is recommended to ensure machining accuracy and surface quality. During the cutting process, appropriate coolants and cutting speeds should be used to avoid excessive thermal damage and tool wear.
Welding:
Nimonic PE11 alloy can be subjected to a variety of welding processes, including argon arc welding, electron beam welding, laser welding and plasma welding. During the welding process, care should be taken to control the welding temperature and welding speed to avoid quality problems such as weld thermal cracking and porosity. In addition, it is recommended to use Nimonic PE11 alloy as filler material to ensure the high temperature performance and corrosion resistance of the welded joint.
Recommended Welding Materials:
Recommended welding consumables for Nimonic PE11 alloys include ERNiCrMo-10 and ERNiCrCoMo-1, among others. These welding consumables have a similar chemical composition and high temperature properties to Nimonic PE11 alloy, ensuring high temperature strength and corrosion resistance of welded joints.
Product Range Available:
The product range of Nimonic PE11 alloys includes steels, plates, bars, forgings, castings and welding consumables. Steel and plate are commonly used to make housings and structural parts for high-temperature components, bars are commonly used to make shafts and bolts for high-temperature components, forgings and castings are commonly used to make complex shapes and large parts for high-temperature components, and welding consumables are commonly used to make welded joints for high-temperature components.
In short, Nimonic PE11 alloy is a nickel-based high-temperature alloy with excellent high-temperature strength, heat fatigue resistance and corrosion resistance, widely used in aerospace, petrochemical and nuclear energy and other fields of high-temperature parts manufacturing. In the manufacturing process, appropriate processing and heat treatment processes should be adopted according to different manufacturing requirements and process parameters to ensure the stability of material properties and surface quality. During the welding process, care should be taken to control the welding temperature and welding speed, and appropriate filler materials should be used to ensure the high temperature performance and corrosion resistance of the welded joints. The range of products available includes steel, plates, bars, forgings, castings and welding consumables to meet the manufacturing needs of different fields and applications.
Get in Touch to find out more about our Nimonic PE11
For enquiries and product information, please call us on +86 13132148618 or email dominic@antonmetal.com to request a quote
Post time: Jul-22-2023
