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Nickel Alloy Steel Pipe
Incoloy 800HT (UNS N08811/W.Nr.1.4959) steel pipes and tubes
Description:
Jiangsu Haohua Industry Group as one of the leading suppliers in China to supply Incoloy 800HT (UNS N08811/W.Nr.1.4959) steel pipes and tubes for petroleum industry and Heat Exchanger industry and Machining Industry etc.- Specification
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Description:
Incoloy 800HT Physical properties:
Incoloy 800HT Alloy m inimum mechanical properties in the room temperature
Incoloy 800HT (UNS N08811/W.Nr.1.4959) steel pipes and tubes
Incoloy 800HT Chemical composition:
|
Alloy
|
%
|
Ni
|
Cr
|
Fe
|
C
|
Mn
|
Si
|
Cu
|
S
|
Al
|
Ti
|
|
800
|
Min. |
30
|
19
|
|
|
|
|
|
|
0.15
|
0.15
|
|
Max.
|
35
|
23
|
balance
|
0.10
|
1.5
|
1
|
0.75
|
0.015
|
0.60
|
0.60
|
|
|
800H
|
Min. |
30
|
19
|
|
0.05
|
|
|
|
|
0.15
|
0.15
|
|
Max.
|
35
|
23
|
balance
|
0.10
|
1.5
|
1
|
0.75
|
0.015
|
0.60
|
0.60
|
|
|
800HT
|
Min. |
30
|
19
|
|
0.06
|
|
|
|
|
0.15
|
0.15
|
|
Max.
|
35
|
23
|
balance
|
0.10
|
1.5
|
1
|
0.75
|
0.015
|
0.60
|
0.60
|
|
|
AI+Ti: 0.85-1.20
|
|||||||||||
Incoloy 800HT Physical properties:
|
Density
|
8.0 g/cm³
|
|
Melting point
|
1350-1400 ¡æ
|
Incoloy 800HT Alloy m inimum mechanical properties in the room temperature
|
Alloy
|
Tensile strength
Rm N/mm² |
Yield strength
R P0. 2N/mm² |
Elongation
A 5 % |
|
800
|
500
|
210
|
35
|
|
800H
|
450
|
180
|
35
|
800H Characteristic as below£º
1.Excellent corrosion resistance in the high temperature at 500¡æ in the water medium.
2.Good stress corrosion resistance property.
3.Good machining
1.Excellent corrosion resistance in the high temperature at 500¡æ in the water medium.
2.Good stress corrosion resistance property.
3.Good machining
Incoloy 800HT Metallurgical structure:
800H is face-centered cubic lattice structure. very low carbon centent and increased Ti:C rate
improve the stability of the structure, anti-allergy , and anti-intergranular corrosion. Low temperature annealing of 950¡æ ensure the fine grain structure.
Incoloy 800HT Corrosion resistance:
800H can not be corroded in many kinds of media. Its high nickel content made it have good stress corrosion resistance cracking property in the water corrosion condition.High Chromium content made it can better resist pitting and crevice corrosion cracking. This alloy can resist nitric acid and organic acid corrosion, but it is not so fine in the sulfuric acid and hydrochloric acid.
800H can not be corroded in many kinds of media. Its high nickel content made it have good stress corrosion resistance cracking property in the water corrosion condition.High Chromium content made it can better resist pitting and crevice corrosion cracking. This alloy can resist nitric acid and organic acid corrosion, but it is not so fine in the sulfuric acid and hydrochloric acid.
800H not only good corrosion resistance in both oxidation and non-oxidizing salt, maybe a little pitting in halide, but also very good corrosion resistance property in the mixture of water,smoke, steam,air and carbon dioxide.
Incoloy 800HT Application range and field£º
1.Nitrate condenser---Corrosion resistance of nitrc acid
2.Steam heating pipes--Very good mechanical property
3.Heat up element tube--Very good mechanical property
1.Nitrate condenser---Corrosion resistance of nitrc acid
2.Steam heating pipes--Very good mechanical property
3.Heat up element tube--Very good mechanical property
For the application of up to 500¡æ enviornment, alloy supply state change to annealing.
|
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