Within our 800 alloy family, we sell a unique nickel-iron-chromium alloy known as Incoloy® 800HT and Nickel Alloy 800HT pipe that is designed to provide optimal performance at higher temperatures. While similar in characteristics to many other 800 alloy pipes, 800HT offers the same chemical composition as Incoloy® 800H but with differing levels of carbon, aluminum, and titanium.

Alloy 800H/HT Pipe is available in Seamless or Welded from Size ranges 1/8" up to 26". Listed below are common sizes. Please contact for sizes not listed.
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Item #

Item Name

Thickness

Nominal Diameter (Standard)

Nominal Diameter (Metric)

A800H-10-500-840 N/A 1/2 Inch Sch. 10 Alloy 800H/HT Seamless or Welded Pipe N/A Sch. 10 N/A 1/2 inches N/A 15 mm
A800H-10-750-1050 N/A 3/4 Inch Sch. 10 Alloy 800H/HT Seamless or Welded Pipe N/A Sch. 10 N/A 3/4 inches N/A 20 mm
A800H-10-000-1315 N/A 1 Inch Sch. 10 Alloy 800H/HT Seamless or Welded Pipe N/A Sch. 10 N/A 1 inches N/A 25 mm
A800H-10-1250-1660 N/A 1 1/4 Inch Sch. 10 Alloy 800H/HT Seamless or Welded Pipe N/A Sch. 10 N/A 1 1/4 inches N/A 32 mm
A800H-10-1500-1900 N/A 1 1/2 Inch Sch. 10 Alloy 800H/HT Seamless or Welded Pipe N/A Sch. 10 N/A 1 1/2 inches N/A 40 mm
A800H-10-2000-2375 N/A 2 Inch Sch. 10 Alloy 800H/HT Seamless or Welded Pipe N/A Sch. 10 N/A 2 inches N/A 50 mm
A800H-10-2500-2875 N/A 2 1/2 Inch Sch. 10 Alloy 800H/HT Seamless or Welded Pipe N/A Sch. 10 N/A 2 1/2 inches N/A 65 mm
A800H-10-3000-3500 N/A 3 Inch Sch. 10 Alloy 800H/HT Seamless or Welded Pipe N/A Sch. 10 N/A 3 inches N/A 80 mm
A800H-10-3500-4000 N/A 3 1/2 Inch Sch. 10 Alloy 800H/HT Seamless or Welded Pipe N/A Sch. 10 N/A 3 1/2 inches N/A 90 mm
A800H-10-4000-4500 N/A 4 Inch Sch. 10 Alloy 800H/HT Seamless or Welded Pipe N/A Sch. 10 N/A 4 inches N/A 100 mm
A800H-10-5000-5563 N/A 5 Inch Sch. 10 Alloy 800H/HT Seamless or Welded Pipe N/A Sch. 10 N/A 5 inches N/A 125 mm
A800H-40-375-675 N/A 3/8 Inch Sch. 40 Alloy 800H/HT Seamless or Welded Pipe N/A Sch. 40 N/A 3/8 inches N/A 10 mm
A800H-40-500-840 N/A 1/2 Inch Sch. 40 Alloy 800H/HT Seamless or Welded Pipe N/A Sch. 40 N/A 1/2 inches N/A 15 mm
A800H-40-750-1050 N/A 3/4 Inch Sch. 40 Alloy 800H/HT Seamless or Welded Pipe N/A Sch. 40 N/A 3/4 inches N/A 20 mm
A800H-40-000-1315 N/A 1 Inch Sch. 40 Alloy 800H/HT Seamless or Welded Pipe N/A Sch. 40 N/A 1 inches N/A 25 mm
A800H-40-1250-1660 N/A 1 1/4 Inch Sch. 40 Alloy 800H/HT Seamless or Welded Pipe N/A Sch. 40 N/A 1 1/4 inches N/A 32 mm
A800H-40-1500-1900 N/A 1 1/2 Inch Sch. 40 Alloy 800H/HT Seamless or Welded Pipe N/A Sch. 40 N/A 1 1/2 inches N/A 40 mm
A800H-40-2000-2375 N/A 2 Inch Sch. 40 Alloy 800H/HT Seamless or Welded Pipe N/A Sch. 40 N/A 2 inches N/A 50 mm
A800H-40-2500-2875 N/A 2 1/2 Inch Sch. 40 Alloy 800H/HT Seamless or Welded Pipe N/A Sch. 40 N/A 2 1/2 inches N/A 65 mm
A800H-40-3000-3500 N/A 3 Inch Sch. 40 Alloy 800H/HT Seamless or Welded Pipe N/A Sch. 40 N/A 3 inches N/A 80 mm
A800H-40-3500-4000 N/A 3 1/2 Inch Sch. 40 Alloy 800H/HT Seamless or Welded Pipe N/A Sch. 40 N/A 3 1/2 inches N/A 90 mm
A800H-40-4000-4500 N/A 4 Inch Sch. 40 Alloy 800H/HT Seamless or Welded Pipe N/A Sch. 40 N/A 4 inches N/A 100 mm
A800H-40-5000-5563 N/A 5 Inch Sch. 40 Alloy 800H/HT Seamless or Welded Pipe N/A Sch. 40 N/A 5 inches N/A 125 mm
A800H-40-6000-6625 N/A 6 Inch Sch. 40 Alloy 800H/HT Seamless or Welded Pipe N/A Sch. 40 N/A 6 inches N/A 150 mm
A800H-40-8000-8625 N/A 8 Inch Sch. 40 Alloy 800H/HT Seamless or Welded Pipe N/A Sch. 40 N/A 8 inches N/A 200 mm
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