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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-80-375-675 N/A 3/8 Inch Sch. 80 Alloy 800H/HT Seamless or Welded Pipe N/A 0.126 in N/A 3/8 inches N/A 10 mm
A800H-80-500-840 N/A 1/2 Inch Sch. 80 Alloy 800H/HT Seamless or Welded Pipe N/A 0.147 in N/A 1/2 inches N/A 15 mm
A800H-80-750-1050 N/A 3/4 Inch Sch. 80 Alloy 800H/HT Seamless or Welded Pipe N/A 0.154 in N/A 3/4 inches N/A 20 mm
A800H-80-000-1315 N/A 1 Inch Sch. 80 Alloy 800H/HT Seamless or Welded Pipe N/A 0.179 in N/A 1 inches N/A 25 mm
A800H-80-1250-1660 N/A 1 1/4 Inch Sch. 80 Alloy 800H/HT Seamless or Welded Pipe N/A 0.191 in N/A 1 1/4 inches N/A 32 mm
A800H-80-1500-1900 N/A 1 1/2 Inch Sch. 80 Alloy 800H/HT Seamless or Welded Pipe N/A 0.200 in N/A 1 1/2 inches N/A 40 mm
A800H-80-2000-2375 N/A 2 Inch Sch. 80 Alloy 800H/HT Seamless or Welded Pipe N/A 0.218 in N/A 2 inches N/A 50 mm
A800H-80-2500-2875 N/A 2 1/2 Inch Sch. 80 Alloy 800H/HT Seamless or Welded Pipe N/A 0.276 in N/A 2 1/2 inches N/A 65 mm
A800H-80-3000-3500 N/A 3 Inch Sch. 80 Alloy 800H/HT Seamless or Welded Pipe N/A 0.300 in N/A 3 inches N/A 80 mm
A800H-80-3500-4000 N/A 3 1/2 Inch Sch. 80 Alloy 800H/HT Seamless or Welded Pipe N/A 0.318 in N/A 3 1/2 inches N/A 90 mm
A800H-80-4000-4500 N/A 4 Inch Sch. 80 Alloy 800H/HT Seamless or Welded Pipe N/A 0.337 in N/A 4 inches N/A 100 mm
A800H-80-5000-5563 N/A 5 Inch Sch. 80 Alloy 800H/HT Seamless or Welded Pipe N/A 0.375 in N/A 5 inches N/A 125 mm
A800H-80-6000-6625 N/A 6 Inch Sch. 80 Alloy 800H/HT Seamless or Welded Pipe N/A 0.432 in N/A 6 inches N/A 150 mm
A800H-80-8000-8625 N/A 8 Inch Sch. 80 Alloy 800H/HT Seamless or Welded Pipe N/A 0.500 in N/A 8 inches N/A 200 mm
A800H-160-000-1315 N/A 1 Inch Sch. 160 Alloy 800H/HT Seamless or Welded Pipe N/A 0.250 in N/A 1 inches N/A 25 mm
A800H-160-1250-1660 N/A 1 1/4 Inch Sch. 160 Alloy 800H/HT Seamless or Welded Pipe N/A 0.250 in N/A 1 1/4 inches N/A 23 mm
A800H-160-1500-1900 N/A 1 1/2 Inch Sch. 160 Alloy 800H/HT Seamless or Welded Pipe N/A 0.281 in N/A 1 1/2 inches N/A 40 mm
A800H-160-2000-2375 N/A 2 Inch Sch. 160 Alloy 800H/HT Seamless or Welded Pipe N/A 0.343 in N/A 2 inches N/A 50 mm
A800H-160-2500-2875 N/A 2 1/2 Inch Sch. 160 Alloy 800H/HT Seamless or Welded Pipe N/A 0.375 in N/A 2 1/2 inches N/A 65 mm
A800H-160-3500-4000 N/A 3 1/2 Inch Sch. 160 Alloy 800H/HT Seamless or Welded Pipe N/A N/A 3 1/2 inches N/A 90 mm
A800H-160-4000-4500 N/A 4 Inch Sch. 160 Alloy 800H/HT Seamless or Welded Pipe N/A 0.531 in N/A 4 inches N/A 100 mm
A800H-DEH-3000-3500 N/A 3 Inch Sch. XXH Alloy 800H/HT Seamless or Welded Pipe N/A 0.600 in N/A 3 inches N/A 80 mm
A800H-DEH-4000-4500 N/A 4 Inch Sch. XXH Alloy 800H/HT Seamless or Welded Pipe N/A 0.674 in N/A 4 inches N/A 100 mm
A800H-40-125-405 N/A 1/8 Inch Sch. 40 Alloy 800H/HT Seamless or Welded Pipe N/A 0.068 in N/A 1/8 inches N/A 6 mm
A800H-80-125-405 N/A 1/8 Inch Sch. 80 Alloy 800H/HT Seamless or Welded Pipe N/A 0.095 in N/A 1/8 inches N/A 6 mm
Unit of Measure
1 2 3 4