MATERIAL KNOWLEDGE / SOCKET WELD FITTINGS
Nickel alloys cover several alloy systems developed for specific combinations of corrosion resistance, heat resistance and mechanical properties.
MATERIAL EXPLORER / Ni
Explore three views of the material. These diagrams explain relationships; they do not represent a measured microstructure or predict performance.
Alloy systems
Nickel can be combined with chromium, molybdenum, iron, copper and other elements to create different alloy systems. Changing that combination changes the balance of corrosion behaviour, heat resistance and mechanical properties. This is why a nickel-alloy family name does not describe one uniform material.
The exact material and its condition remain part of the complete technical description.
Properties
No. Some alloy systems are developed for particular chemical environments, while others emphasise high-temperature strength or oxidation resistance. These properties describe different aspects of material behaviour.
The exact material and its condition remain part of the complete technical description.
Environment
Nickel alloys are considered in chemical and high-temperature environments when their particular properties match the service. Each alloy needs its own review.
The exact material and its condition remain part of the complete technical description.
01 / MATERIAL OVERVIEW
Nickel can be combined with elements such as chromium, molybdenum, iron and copper. Changing that combination changes the material’s performance, so nickel alloys do not share a single corrosion or temperature capability.
Some alloy systems are selected for particular chemical environments; others are developed for high-temperature strength or oxidation resistance. The required property must be matched to the actual alloy and operating conditions.
General background for the explanation above. The project specification governs the actual selection.
02 / MATERIAL KNOWLEDGE
Nickel can be combined with chromium, molybdenum, iron, copper and other elements to create different alloy systems. Changing that combination changes the balance of corrosion behaviour, heat resistance and mechanical properties. This is why a nickel-alloy family name does not describe one uniform material.
Stainless steel is an iron-based family associated with a chromium-rich passive film. Nickel alloys cover several alloy systems with different chemistry and property combinations; the two labels do not describe equivalent materials.
Explore the related materialThe elements combined with nickel, and their composition, vary between alloy systems. Those differences change corrosion behaviour, heat resistance and mechanical properties.
No. Some alloy systems are developed for particular chemical environments, while others emphasise high-temperature strength or oxidation resistance. These properties describe different aspects of material behaviour.
03 / SELECTION CONSIDERATIONS
Provide the medium, concentration, contaminants and operating conditions relevant to material selection.
Specify the complete designation and material specification. A generic nickel-alloy description is insufficient.
Identify whether corrosion, temperature, strength or another requirement governs the choice.
04 / FROM MATERIAL TO FITTING
Nickel alloys are considered in chemical and high-temperature environments when their particular properties match the service. Each alloy needs its own review.
Material-family information is a starting point. Confirm the exact grade and application requirements with the project engineering team.
THERE IS MORE TO EXPLORE
Change a configuration. Compare a material. Understand a reference.
