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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.
Nickel & Monel® Pipe & Tubes
Unit of Measure
1 2 3 4 

Item #

Item Name

Thickness

Nominal Diameter (Standard)

Nominal Diameter (Metric)

A800H-10-250-540 N/A 1/4 Inch Sch. 10 Alloy 800H/HT Seamless or Welded Pipe N/A 0.065 in N/A 1/4 inches N/A 8 mm
A800H-40-250-540 N/A 1/4 Inch Sch. 40 Alloy 800H/HT Seamless or Welded Pipe N/A 0.088 in N/A 1/4 inches N/A 8 mm
A800H-80-250-540 N/A 1/4 Inch Sch. 80 Alloy 800H/HT Seamless or Welded Pipe N/A 0.119 in N/A 1/4 inches N/A 8 mm
A800H-10-10000-10750 N/A 10 Inch Sch. 10 Alloy 800H/HT Seamless or Welded Pipe N/A 0.165 in N/A 10 inches N/A 250 mm
A800H-20-10000-10750 N/A 10 Inch Sch. 20 Alloy 800H/HT Seamless or Welded Pipe N/A 0.250 in N/A 10 inches N/A 250 mm
A800H-40-10000-10750 N/A 10 Inch Sch. 40 Alloy 800H/HT Seamless or Welded Pipe N/A 0.365 in N/A 10 inches N/A 250 mm
A800H-80-10000-10750 N/A 10 Inch Sch. 80 Alloy 800H/HT Seamless or Welded Pipe N/A 0.593 in N/A 10 inches N/A 250 mm
A800H-T80-10000-10750 N/A 10 Inch True Sch. 80 Alloy 800H/HT Seamless or Welded Pipe N/A 0.593 in N/A 10 inches N/A 250 mm
A800H-160-10000-10750 N/A 10 Inch True Sch. 160 Alloy 800H/HT Seamless or Welded Pipe N/A 1.125 in N/A 10 inches N/A 250 mm
A800H-10-12000-12750 N/A 12 Inch Sch. 10 Alloy 800H/HT Seamless or Welded Pipe N/A 0.180 in N/A 12 inches N/A 300 mm
A800H-40-12000-12750 N/A 12 Inch Sch. 40 Alloy 800H/HT Seamless or Welded Pipe N/A 0.406 in N/A 12 inches N/A 300 mm
A800H-T40-12000-12750 N/A 12 Inch True Sch. 40 Alloy 800H/HT Seamless or Welded Pipe N/A 0.406 in N/A 12 inches N/A 300 mm
A800H-80-12000-12750 N/A 12 Inch Sch. 80 Alloy 800H/HT Seamless or Welded Pipe N/A 0.687 in N/A 12 inches N/A 300 mm
A800H-10-14000-14000 N/A 14 Inch Sch. 10 Alloy 800H/HT Seamless or Welded Pipe N/A 0.250 in N/A 14 inches N/A 350 mm
A800H-40-14000-14000 N/A 14 Inch Sch. 40 Alloy 800H/HT Seamless or Welded Pipe N/A 0.437 in N/A 14 inches N/A 350 mm
A800H-10-16000-16000 N/A 16 Inch Sch. 10 Alloy 800H/HT Seamless or Welded Pipe N/A 0.250 in N/A 16 inches N/A 400 mm
A800H-40-16000-16000 N/A 16 Inch Sch. 40 Alloy 800H/HT Seamless or Welded Pipe N/A 0.500 in N/A 16 inches N/A 400 mm
A800H-40-18000-18000 N/A 18 Inch Sch. 40 Alloy 800H/HT Seamless or Welded Pipe N/A 0.562 in N/A 18 inches N/A 450 mm
A800H-10-375-675 N/A 3/8 Inch Sch. 10 Alloy 800H/HT Seamless or Welded Pipe N/A 0.065 in N/A 3/8 inches N/A 10 mm
A800H-160-500-840 N/A 1/2 Inch Sch. 160 Alloy 800H/HT Seamless or Welded Pipe N/A 0.187 in N/A 1/2 inches N/A 15 mm
A800H-DEH-500-840 N/A 1/2 Inch Sch. XXH Alloy 800H/HT Seamless or Welded Pipe N/A 0.294 in N/A 1/2 inches N/A 15 mm
A800H-160-750-1050 N/A 3/4 Inch Sch. 160 Alloy 800H/HT Seamless or Welded Pipe N/A 0.218 in N/A 3/4 inches N/A 20 mm
A800H-DEH-750-1050 N/A 3/4 Inch Sch. XXH Alloy 800H/HT Seamless or Welded Pipe N/A 0.308 in N/A 3/4 inches N/A 20 mm
A800H-5-000-1315 N/A 1 Inch Sch. 5 Alloy 800H/HT Seamless or Welded Pipe N/A 0.065 in N/A 1 inches N/A 25 mm
A800H-DEH-000-1315 N/A 1 Inch Sch. XXH Alloy 800H/HT Seamless or Welded Pipe N/A 0.358 in N/A 1 inches N/A 25 mm
Unit of Measure
1 2 3 4