On the other hand, HT Inconel 800 Cold Rolled Coiled Tube has an additional content of up to 1.20% of both elements i.e. – aluminium and titanium in its alloy. The HT version of Incoloy 800 exhaust heat exchanger has further modifications to the combined titanium and aluminium levels was done in order to ensure optimum high temperature properties.

Inconel 800 tube is primarily used in applications, where the temperature could rise up to 1100° F. On the other hand, its derivative alloys such as Inconel 800H and Inconel 800HT Electropolish Tube are normally used those applications where the temperatures could exceed 1100° F. In times where the temperature can reach beyond 1100° F, Incoloy 800HT ERW Tube when used aids in providing resistance to creep as well as rupture if required. The chemical balance in the Inconel 800 Instrumentation tube allows this nickel steel based alloy to exhibit excellent resistance to corrosion such as carburization and oxidation.

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Polished-Nickel-Alloy-Inconel-800-Pipe-Tube-in-Dubai-Supplier (1)

The Incoloy WERKSTOFF NR. 1.4876 Tubing is also able to resist getting corroded in nitriding atmospheres. Incoloy 800ht tube will not become embrittled even after prolonged periods of being used in a temperature that ranges between 1200 ° F – 1600° F, which is a range where many stainless steels grades tend to become brittle. HT 800 Inconel Heat exchanger Tube exhibits excellent cold forming characteristics, those which are typically associated with the nickel- chromium based alloys .

When, this nickel based HT ASTM B515 Incoloy 800 Tube, has been extensively cold formed, the grain size produces a visibly undulated surface referred to as an orange peel. Welding operations can be performed on the Incoloy 800HT by the common techniques used on stainless steels.

Incoloy 800/800H/800HT Pipes & Tubes Specification

Specifications ASTM B407, B514, B515 / ASME SB407, SB514, SB515
Dimensions ASTM, ASME and API
Size Range 15″NB – 150″NB
Outer Diameter 6.35 mm OD upto 254 mm OD in 0.6 TO 20 mm thickness.
Schedule SCH 10, SCH20, SCH30, SCH40, STD, SCH60, XS, SCH80, SCH120, SCH140, SCH160, XXS
Type Seamless / ERW / Welded / Fabricated / LSAW Pipes
Length Single Random, Double Random & Cut Length
Form Round Pipes/Tubes, Square Pipes/Tubes, Rectangular Pipe/Tubes, Coiled Tubes, “U” Shape, Pan Cake Coils, Hydraulic Tube

Grade 800 / 800H / 800HT UNS (N08800, N08810, N08811), DIN (1.4876, 1.4958, 1.4959)

JIS NCF 800/800H/800HT Incoloy® Pipes and Tubes Equivalent Indian Standard
Incoloy 800 N08800 1.4876 Z8NC32-21 X10NiCrAlTi32-20 NCF 800 NA 15 ЭИ670 XH32T
Incoloy 800H N08810 1.4958 Z8NC32-21 X10NiCrAlTi32-20 NCF 800H NA 15(H) ЭИ670 XH32T
Incoloy 800HT N08811 1.4959 X8NiCrAlTi32-21 NCF 800HT NA 15(HT) ЭИ670 XH32T
ASTM B407 Incoloy 800/800H/800HT Seamless Pipe & Tube Chemical Composition
Grade Ni Fe Cr Cu Ti Al C Mn S Si
Incoloy 800 30.0-35.0 39.5 min 19.0-23.0 .75 max .15-.60 .15-.60 .1 max 1.5 max .015 max 1.0 max
Incoloy 800H 30.0-35.0 39.5 min 19.0-23.0 .75 max .15-.60 .15-.60 .05-.10 max 1.5 max .015 max 1.0 max
Incoloy 800HT 30.0-35.0 39.5 min 19.0-23.0 .75 max .25-.60 .85-1.20 .06-.10 max 1.5 max .015 max 1.0 max
ASME SB515 Incoloy® 800/800H/800HT Welded Tubing Mechanical Properties
Density Melting Point Tensile Strength Yield Strength (0.2%Offset) Elongation
7.94 g/cm3 1350-1400 ℃ Psi – 75,000 , MPa -520 Psi – 30,000 , MPa – 205 30 – 35 %
Other Types of Alloy 800/800H/800HT Pipes and Tubes
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