INCOLOY-Alloy-020

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INCOLOY Alloy 020 (UNS N08020) Product Introduction

Chemical Composition

Element	Composition (%)
Nickel (Ni)	32.0 – 38.0
Chromium (Cr)	19.0 – 21.0
Iron (Fe)	Bal.
Copper (Cu)	3.0 – 4.0
Molybdenum (Mo)	2.0 – 3.0
Manganese (Mn)	2.0 max
Carbon (C)	0.02 max
Silicon (Si)	1.0 max
Sulfur (S)	0.035 max
Phosphorus (P)	0.045 max

Mechanical Properties

Property	Value
Tensile Strength, ksi (MPa)	80 (550) min
Yield Strength (0.2% offset), ksi (MPa)	35 (240) min
Elongation (% in 2 inches)	30 min
Hardness, Brinell (HB)	150 max

Performance at Different Temperatures

Temperature Range	Performance
Room Temperature	Good mechanical properties and corrosion resistance.
High Temperatures (up to 1900°F / 1040°C)	Maintains strength and oxidation resistance.
Low Temperatures	Retains toughness and ductility at cryogenic temperatures.

Industry Applications

Industry Sector	Applications
Chemical Processing	Sulfuric acid production, phosphoric acid production.
Petrochemical	Reactors, heat exchangers.
Food Processing	Food handling equipment.
Pharmaceutical	Pharmaceutical processing equipment, reactors.

Shape, Size, and Production Standards

Product Form	Shapes Available	Sizes Available	Production Standards
Sheets	Plates, Sheets	Various thicknesses	ASTM B463, ASTM B366
Bars	Round bars, hexagonal bars	Diameter range	ASTM B462, ASTM B464
Tubes/Pipes	Seamless tubes, welded pipes	Various dimensions	ASME SB-462, ASME SB-464

Standards and Corresponding Grades

Country/Region	Standard/Grade
USA	UNS N08020
Europe	2.4660
Japan	NW 08020
China	NS143

Welding, Processing, Polishing, Heat Treatment

Process	Details
Welding	Good weldability using TIG, MIG methods.
Processing	Cold and hot forming processes. Machinable with standard methods.
Polishing	Achieves smooth finishes suitable for sanitary applications.
Heat Treatment	Annealing at 1950°F (1065°C) followed by rapid quenching.

Cold Processing, Advantages, and Disadvantages

Aspect	Details
Cold Processing	Excellent formability and cold workability.
Advantages	High corrosion resistance, good mechanical properties at elevated temperatures.
Disadvantages	Higher cost compared to standard stainless steels. Requires careful welding practices to avoid sensitization.

Similar Products

Product Name	Comparison
Incoloy 800 (UNS N08800)	Lower nickel content, similar applications.
Incoloy 825 (UNS N08825)	Higher molybdenum and copper content, enhanced corrosion resistance.

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This structured presentation provides a detailed insight into the chemical composition, mechanical properties, performance characteristics at different temperatures, industry applications, shapes and sizes available, production standards, welding and processing capabilities, as well as the advantages, disadvantages, and similar products related to INCOLOY Alloy 020 (UNS N08020). Each section is presented in a table format to ensure clarity and ease of reference for technical specifications and comparisons.