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China Vervaardiger Spesiale Staal Hoë Kwaliteit Nikkel Alloy Incoloy 800H vir Lugvaart

1. Hoë temperatuur sterkte
2. High creep rupture strength
3. Resistant to oxidation and carburization in high temperature environments
4. Good corrosion resistance in many acidic environments
5. Good resistance to many sulfur-containing atmospheres

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Model: INCOLOY 800H
Handelsmerk: RONSCO
Code: Alloy1996INCOY800H


INCOLOY 800H

ASTM B 409, B 408, B 407, B 564
UNS-nommer N08810
Other common names: Alloy 800, Alloy 800H, Inconel 800, Alloy 800HT
Incoloy 800, 800H, and 800HT are nickel-iron-chromium alloys with good strength and excellent resistance to oxidation and carburization in high-temperature exposure. These nickel steel alloys are identical except for the higher level of carbon in alloy 800H, and the addition of up to 1.20 percent aluminum and titanium in alloy 800HT. Incoloy 800 was the first of these alloys and it was slightly modified into Incoloy 800H. This modification was to control carbon (.05-.10%) and grain size to optimize stress rupture properties. Incoloy 800HT has further modifications to the combined titanium and aluminum levels (.85-1.20%) to ensure optimum high temperature properties.The nickel alloy is dual certified (800H/HT) and combines the properties of both forms. Incoloy 800H/HT alloy was intended for high temperature structural applications. The nickel content makes the alloys highly resistant to both chloride stress-corrosion cracking and to embrittlement from precipitation of sigma phase. The general corrosion resistance is excellent. In the solution annealed condition, alloys 800H and 800HT have superior creep and stress rupture properties.

In what forms is Incoloy 800H/HT?

Sheet
Plate
 bar
Pyp en buis (gesweis en naatloos)
Toebehore (dws flense, insteekstukke, blindings, sweisnekke, lapjoints, lang sweisnekke, soksweislasse, elmboë, T-stukke, stumppunte, retournee, doppe, kruise, verkleiners en pypnippels)

What are the characteristics of Incoloy 800H/HT?

High temperature strength
High creep rupture strength
Resistant to oxidation and carburization in high temperature environments
Good corrosion resistance in many acidic environments
Good resistance to many sulfur-containing atmospheres


Allooi 800 (UNS N08800) Chemiese samestelling (%)

Ni Cr Fe C Al Ti Al+Ti
30.0-35.0 19.0-23.0 39.5 min .10 maks .15-.60 .15-.60 .30-1.20


Alloy 800H (UNS N08810) Chemical Composition(%)

Ni Cr Fe C Al Ti Al+Ti
30.0-35.0 19.0-23.0 39.5 min .05-.10 .15-.60 .15-.60 .30-1.20


Alloy 800HT (UNS N08811) Chemical Composition( %)

Ni Cr Fe C Al Ti Al+Ti
30.0-35.0 19.0-23.0 39.5 min .06-.10 .25-.60 .25-.60 0.85-1.2

*Note that the chemical composition of Incoloy 800HT will always be within the limits of Incoloy 800H.
*Note the limits of Incoloy 800H may or may not be within the limits of Incoloy 800HT.

In what applications is Incoloy 800H/HT used?
Ethylene furnace quench boilers
Hydrocarbon cracking
Valves, fittings and other components exposed to corrosive attack from 1100-1800° F
Industriële oonde
Heat-treating equipment
Chemical and petrochemical processing
Super-heater and re-heaters in power plants
Drukvate
Warmtewisselaars


Alloys 800H/HT are used in a variety of applications involving exposure to corrosive environments and high temperatures such as heat treating equipment, chemical and petrochemical processing, nuclear power plants and the paper pulp industry. Heat-treating equipment such as baskets, trays, and fixtures employ Incoloy 800H/HT. Chemical and petrochemical processing industries use the alloys for heat exchangers and other piping systems in nitric acid media especially where resistance to chloride stress-corrosion cracking is required. Power plants use them for super-heater and re-heater tubing.


ASTM spesifikasies

Alloy Pyp Smls Pyp gesweis Buis Smls Buisgesweis Vel / Plaat bar bewerk Fitting
Alloy 800 (UNS N08800) B407 B154 B163 B515 B409 B408 B564 B366
Alloy 800H (UNS N08810) B407 B154 B163 B515 B409 B408 B564 B366
Alloy 800HT (UNS N08811) B407 B154 B163 B515 B409 B408 B564 B366

Meganiese eienskappe
Typical room temperature Tensile Properties of Annealed Material

Produk Tensile (ksi) .2% Yield (ksi) Verlenging (%)
Rod & Bar 75-100 30-60 60-30


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