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Inconel 600 Seamless Tube | ASTM B168 / UNS N06600 / 2.4816 High-Temp Alloy Pipe

Inconel® 600 Seamless Tube (UNS N06600 / W.Nr. 2.4816) is a nickel-chromium alloy known for its excellent oxidation resistance, high-temperature strength, and corrosion resistance in acidic and chloride-containing environments. Manufactured to ASTM B168 standards, this alloy is commonly used in chemical processing, heat treatment equipment, nuclear reactors, and marine applications. It performs reliably in temperatures up to 1150°C (2100°F) and maintains structural integrity under high thermal stress.
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The Inconel 600 seamless tube is a premium nickel-based alloy pipe manufactured according to ASTM B168 standards, identified by UNS N06600 and material number 2.4816. Known for its excellent high-temperature resistance, corrosion resistance, and mechanical strength, this alloy pipe is widely used in industries such as petrochemical, aerospace, nuclear, and high-temperature equipment manufacturing. This article provides a detailed introduction to the features, technical specifications, and applications of the Inconel 600 seamless tube.

Product Overview

Inconel 600 is a nickel-chromium-iron alloy with high nickel content, combined with chromium and iron along with minor elements that provide outstanding oxidation and corrosion resistance. The seamless manufacturing process ensures the pipe has no weld seams, which enhances the strength and longevity of the pipe, making it ideal for high-temperature and high-pressure environments.

Alloy NameInconel 600
StandardASTM B168
UNS NumberN06600
Material Number2.4816
Main ElementsNickel (Ni), Chromium (Cr), Iron (Fe)
FormSeamless Tube
Operating Temp.Approx. -253°C to +1093°C
Key FeaturesHigh-temperature strength, oxidation resistance, corrosion resistance, stress corrosion resistance

Physical and Mechanical Properties

Inconel 600 seamless tubes maintain excellent mechanical strength and stable chemical composition, allowing reliable performance in extreme conditions. Typical properties are summarized below:

PropertyValueUnit
Density8.43g/cm³
Melting PointApprox. 1350 - 1410°C
Tensile Strength≥ 690MPa
Yield Strength≥ 275MPa
Elongation≥ 30%
Hardness (Brinell)217 - 302HB

Chemical Composition (Typical Range)

ElementContent (%)
Nickel (Ni)72.0 - 80.0
Chromium (Cr)14.0 - 17.0
Iron (Fe)6.0 - 10.0
Manganese (Mn)≤ 1.0
Carbon (C)≤ 0.15
Silicon (Si)≤ 0.5
Sulfur (S)≤ 0.015

Applications

  • Petrochemical Industry: Pipes and equipment parts exposed to high temperature and pressure

  • Aerospace: Engine components and high-temperature structural parts

  • Nuclear Industry: Radiation-resistant and high-temperature tubing

  • Heat Exchangers and Boilers: Tubes in high-temperature corrosive environments

  • Chemical Processing Equipment: Pipes resistant to acid, alkali, and corrosive media

Advantages of Inconel 600 Seamless Tube

  • Outstanding high-temperature strength and oxidation resistance

  • Excellent corrosion and stress corrosion cracking resistance

  • Seamless design ensures enhanced strength and leak-proof performance

  • Good machinability with weldability and formability

  • Consistent chemical composition for reliable performance

FAQ

What are the main advantages of Inconel 600 seamless tubes?

Inconel 600 seamless tubes offer excellent high-temperature strength, corrosion resistance, and good mechanical properties, making them ideal for harsh environments involving extreme heat and corrosive conditions.

What does the ASTM B168 standard cover?

ASTM B168 specifies the requirements for nickel alloy seamless and welded tubes, including chemical composition, mechanical properties, dimensional tolerances, and testing methods to ensure consistent product quality.

What temperature range can Inconel 600 tubes withstand?

The operating temperature range is approximately from -253°C up to 1093°C, making it suitable for various high-temperature applications.

Is Inconel 600 seamless tube weldable?

Yes, Inconel 600 is weldable with common methods like TIG and MIG welding, and it maintains good mechanical properties after welding.

How can Inconel 600 be distinguished from other nickel alloys?

Inconel 600 is primarily identified by its specific chemical composition and UNS number N06600. Its high nickel content along with particular chromium and iron ratios distinguish it from other nickel-based alloys.

For customized Inconel 600 seamless tubes or to inquire about detailed technical specifications and pricing, please feel free to contact us. We offer professional support and quality service tailored to your needs.

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