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INCOLOY® alloy 800H/800HT UNS N08810/UNS N08811

Short Description:

INCOLOY alloys 800H and 800HT have significantly higher creep and rupture strength than INCOLOY alloy 800. The three alloys have nearly identical chemical composition limits.


Product Detail

Product Tags

Chemical Composition

Alloy element C Si Mn S Cu Ni Cr Al Ti Fe Al+Ti

Incoloy 800H/HT

Min 0.05         30.0 19.0 0.15 0.15 39.0 0.30
Max 0.10 1.0 1.5 0.05 0.75 35.0 23.0 0.60 0.60   1.20
Remark Incoloy 800HT: C:0.06~0.10,Al+Ti:0.85~1.20.

Mechanical Properties

Aolly Status

Tensile strength

Rm Mpa Min

Yield strength

R P 0. 2 Mpa Min

Elongation

A 5 % Min

annealed

448

172

30

Physical Properties

Density g/cm3

Melting Point 

7.94

1357~1385

Standard

Rod, Bar, Wire and Forging Stock - ASTM B 408 & ASME SB 408 (Rod & Bar), ASTM B 564 & ASME SB 564 (Forgings)

Plate, Sheet and Strip - ASTM A240/A 480 & ASME SA 240/SA 480(Plate, Sheet, and Strip), ASTM B 409/B906 & ASME SB 409/SB 906 (Plate, Sheet, and Strip)

Pipe & Tube - ASTM B 407/B829 & ASME SB 407/SB 829 (Seamless Pipe & Tubes), ASTM B 514/B 775 &ASME SB 514/SB 775 (Welded Pipe),ASTM B 515/B 751 & ASME SB 515/SB 751(Welded Tubes)

Other Product Forms - ASTM B 366/ASME SB 366 (Fittings)

Characteristics of Incoloy 800H/Incoloy 800HT

IHigh-Quality Incoloy Factories

● 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


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