UNS N08810 (Incoloy 800H)

Short Introduction:

  • GB NS11/Incoloy 800H/GB NS112/UNS N08810/SEW VDIUV W.Nr.1.4958 X5 NiCrAlTi 31-20 /BS NA

  • UNS N08810 (Incoloy 800H) is the face-centered cubic lattice structure, very low carbon content and increased Ti:C rate improve the stability of the structure, anti-allergy, and anti-intergranular corrosion. Low temperature annealing around 950℃ ensure the fine grain structure.

    Category:

    Description

    GB NS112/ Incoloy 800H/ UNS NO8810

    GB NS112/ Incoloy 800H/ UNS NO8810

    GB NS112 Material grades and equivalents

    Incoloy 800H/GB NS112/UNS N08810/SEW VDIUV W.Nr.1.4958 X5 NiCrAlTi 31-20 /BS NA 15 (H)/AFNOR Z8NC33.21

    Incoloy 800H Chemical composition:

     

    Alloy

     

    %

     

    Ni

     

    Cr

     

    Fe

     

    C

    M

    n

     

    Si

     

    Cu

     

    S

     

    Al

     

    Ti

     

     

    Incoloy 800

    Min.

    30

    19

    0.15

    0.15

     

    Max.

     

    35

     

    23

     

    balance

     

    0.1

    1.

    5

     

    1

     

    0.75

     

    0.015

     

    0.6

     

    0.6

     

    Incoloy

    800H

    Min.

    30

    19

    0.05

    0.15

    0.15

     

    Max.

     

    35

     

    23

     

    balance

     

    0.1

    1.

    5

     

    1

     

    0.75

     

    0.015

     

    0.6

     

    0.6

     

    Incoloy

    800HT

    Min.

    30

    19

    0.06

    0.15

    0.15

     

    Max.

     

    35

     

    23

     

    balance

     

    0.1

    1.

    5

     

    1

     

    0.75

     

    0.015

     

    0.6

     

    0.6

    AI+Ti: 0.85-1.20

     

    Incoloy 800H Physical properties:

    Density

    8.0 g/cm³

    Melting point

    1350-1400 ℃

     

    Incoloy 800H Alloy minimum mechanical properties in the room temperature:

     

    Alloy

    Tensile strength

    Yield strength

    Elongation

    Rm N/mm²

    R P 0. 2N/mm²

    A 5 %

    Incoloy 800

    500

    210

    35

     

    Incoloy 800H

     

    450

     

    180

     

    35

     

    Incoloy 800H Characteristic as below:

    1. Excellent corrosion resistance in the water media of the extremely high temperature of 500℃.

    2. Good stress corrosion resistance 3.Good machining

    Incoloy 800H Metallurgical structure:

    Incoloy 800H is the face-centered cubic lattice structure, very low carbon content and increased Ti:C rate improve the stability of the structure, anti-allergy, and anti-intergranular corrosion. Low temperature annealing around 950℃ ensure the fine grain structure.

    Incoloy 800H Corrosion resistance:

    Incoloy 800H can not be corroded in many kinds of media. Its higher nickel content made it have good stress corrosion resistance cracking properties in the water corrosion condition. High chromium content made it better resistance to pitting and crevice corrosion cracking. This alloy can resist nitric acid and organic acid, but it is not so fine in the sulfuric acid and hydrochloric acid.

    800H have good corrosion resistance to both oxidation and non-oxidizing salt, but maybe a little pitting in halide, and also excellent properties in the mixture of water, smoke, steam, air and carbon dioxide.

     Incoloy 800H Application range and field:

    • Nitrate condenser—Corrosion resistance of Nitric acid 2.Steam heating pipes–Very good mechanical properties 3.Heat up element tube–Very good mechanical properties

    • For the application of up to 500℃ environment, alloy state supplies change to annealing.

    Specifications:

     

    Rod, Bar, Wire, Forgings, and Forging Stock

    ASTM B 408 & ASME SB 408;ASTM B 564 & ASME SB 564;ASME Code Case 1325;ASME Code Case 1949;ISO 9723;ISO 9724;ISO 9725;BS 3076NA15;BS 3075NA15;SEW 470;VdTÜV 412 & 434;DIN 17460;EN

    10095

     

    Plate, Sheet, and Strip

    ASTM A 240/A 480;ASME SA 240/SA 480;ASTM B 409/B 906;ASME SB 409/SB 906;ASME Code Case 1325;ASME Code Case 2339;BS

    3072NA15;BS 3073NA15;SEW 470;VdTÜV 412 & 434;DIN 17460;EN

    10028-7 & EN 10095

     

     

    Pipe & Tube

    ASTM B 163;ASME SB 163;ASTM B 407/B 829;ASME SB 407/SB 829;ASTM B 514/B 775;ASME SB 514/SB 775;ASTM B 515/B 751;ASME SB 515/SB 751;ASME Code Case 1325 and 1983;BS 3074NA15;SEW

    470;VdTÜV 412 & 434;ISO 6207;DIN 17459

    Fittings

    ASTM B 366/ASME SB 366