Inconel 693 Thick-walled Pipe
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Inconel 693 Thick-walled Pipe

Inconel 693 Thick-walled Pipe is a new alloy from Special Metals which offers resistance to high temperature corrosion mechanisms not previously available from a nickel-based alloy. Of particular interest to the designer is the alloy’s resistance to metal dusting.
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As a leading supplier and manufacturer in China, GNEE Steel provides cost-effective nickel-based alloy products.

Product Introduction

Inconel 693 thick-walled pipe is a seamless, thick-walled Inconel 693 pipe. Compared with Inconel 693 seamless pipe, it not only inherits high temperature resistance and corrosion resistance, but also has better high pressure resistance. Therefore, Inconel 693 thick-walled tubes are often used in high-pressure equipment. In the manufacturing process, due to the thicker wall thickness, cold rolling and cold drawing processes are no longer applicable, so the Inconel 693 thick-walled pipe is perforated and hot-rolled from Inconel 693 round bar.

 

Inconel 693 thick-walled pipe Material Composition

 

  • Nickel (Ni): 58% min
  • Chromium (Cr): 20-25%
  • Iron (Fe): Balance
  • Molybdenum (Mo): 8-12%
  • Other elements in trace amounts (such as Ti, Co, Mn, and Si) to enhance mechanical properties.

 

Inconel 693 thick-walled pipe Mechanical Properties

 

Condition & Size Tensile Strength Yield Strength
(0.2% Offset)
Elongation Reduction of Area Hardness
MPa, min MPa, min %, min %, min Rockwell
Cold-worked annealed or hot- worked annealed: 5 in. (127mm) in outside diameter and under 690 345 30 ... ...

*Mechanical Properties According to ASTM B167

 

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