
ASTM B 163 Inconel 600 alloy seamless tube
ASTM B163 Inconel 600 seamless nickel-chromium alloy tube is a nickel-chromium alloy tubing material with excellent high-temperature resistance and resistance to a variety of corrosive media, including acidic and alkaline solutions. It is renowned for its high strength, excellent mechanical properties (such as tensile strength and yield strength at high temperatures), oxidation resistance, and resistance to chloride ion stress corrosion cracking. These characteristics make it ideal for demanding applications in industries such as chemical, nuclear power, and aerospace, and it is widely used in components such as heat exchangers, pressure vessels, and gas turbines.
What are the properties of Inconel 600 alloy?
Inconel 600 alloy is non-magnetic, possesses excellent mechanical properties, combines high strength with good machinability, and is easy to weld. Alloy 600 exhibits cold-forming characteristics generally similar to chromium-nickel stainless steel.

Chemical Composition
|
UNS Designation |
N06600 |
|
Inconel Alloy |
600 |
|
Nickel (+ Cobalt) |
72 min. |
|
Cromium |
14.0 - 17.0 |
|
Iron |
6.00 - 10.00 |
|
Carbon |
0.15 max. |
|
Manganese |
1.0 max. |
|
Sulfur |
0.015 max. |
|
Silicon |
0.50 max |
|
Copper |
0.50 max. |
Common Applications
Chemical Processing: Equipment used for the production of titanium dioxide and vinyl chloride monomer, as well as reaction vessels for fatty acids and organic acids.
Nuclear Industry: Commonly used in steam generators for pressurized water reactors and other nuclear power applications.
Aerospace: Used in gas turbine components, such as combustion chambers and shrouds, and exhaust systems.
Heat Treatment: Used in heat treatment equipment and furnaces.
General Industry: Applications include heat exchangers, condensers, pressure vessels, and certain types of silencers.
Specifications and Standards
Standard: ASTM B163 is the specification covering the chemical and mechanical properties requirements for this alloy.
Dimensions: This standard covers dimensions with an outer diameter of 3 inches (76.2 mm) and below, and a minimum wall thickness of 0.148 inches (3.76 mm) and below. Testing: This specification requires various tests to ensure quality, including tensile strength, elongation, yield strength, and Rockwell hardness.
Why Choose Gnee Nickel Alloy (Supplier Example)?
✅ Large stock of Inconel series alloy tubes/bars/plates/fittings available for fast shipping.
✅ Factory direct sales, highly competitive prices, excellent value for money.
✅ Comprehensive quality assurance: Material Testing Certificate (MTC), chemical composition certificate, and mechanical property certificate.
✅ Value-added services: slitting, cutting, polishing, surface treatment.
✅ Worldwide shipping, secure and reliable packaging, and provision of export-required documents.
Gnee Steel is a supplier of Inconel 600 and Inconel 725, offering a wide range of products including: seamless pipe (sizes: 4-219 mm; thickness: 0.5-20 mm); welded pipe (sizes: 5.0-1219.2 mm; thickness: 0.5-20 mm); plates (thickness 0.1 to 100 mm; width 10-2500 mm); strips; alloy round bars (diameter 3-800 mm); flat bars (thickness 2-100 mm; width 10-500 mm); hexagonal bars (size 2-100 mm); wire rods; and extruded profiles. We collaborate with steel mills to provide customers with 600/725 alloys, whose products meet or exceed numerous leading industry standards, including ASTM, ASME, SAE, AMS, ISO, DIN, EN, and BS standards.
Gnee Steel stocks and sells Inconel 600 and Inconel 725, pipes, tubes, plates, strips, round bars, flat bars, forged billets, hexagonal steel, wire rods, and extruded profiles. Please feel free to contact us at ss@gneesteel.com for a quote.








