Incoloy Alloy 800 - American Special Metals - Pipe, Tube, Sheet, Strip, Plate, Bar

INCOLOY alloy 800
A nickel-chromium alloy with good strength and excellent resistance to
oxidation and carburization in high-temperature atmospheres. It also
resists corrosion by many aqueous environments. The alloy maintains
a stable, austenitic structure during prolonged exposure to high
temperatures. Used for process piping, heat exchangers, carburizing
equipment, heating-element sheathing, and nuclear steam-generator
tubing.

UNS: N08800
W.Nr.: 1.4876

Technical Bulletin

Available Product Forms: Pipe, tube, sheet, strip, plate, round bar, flat
bar, forging stock, hexagon and wire

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American Special Metals The Strength of Alloy

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INCOLOY alloys
INCOLOY alloy 800
INCOLOY alloy 800H/800HT
INCOLOY alloy 803
INCOLOY alloy 825
INCOLOY alloy 832
INCOLOY alloy 864
INCOLOY alloy 890
INCOLOY alloy 903
INCOLOY alloy 907
INCOLOY alloy 908
INCOLOY alloy 909
INCOLOY alloy 925
INCOLOY alloy 945 - 945X
INCOLOY alloy MA956
INCOLOY alloy DS
INCOLOY alloy 020
INCOLOY alloy 028
INCOLOY alloy 330
INCOLOY alloy 25-6HN
INCOLOY alloy 25-6MO
INCOLOY alloy 27-7MO
INCOLOY alloy A-286

UNS Designation	N08800	N08810	N08811
Incoloy Alloys	800	800H	800HT
Nickel	30.0 - 35.0	30.0 - 35.0	30.0 - 35.0
Chromium	19.0 - 23.0	19.0 - 23.0	19.0 - 23.0
Iron	39.5 min.	39.5 min	39.5 min.
Carbon	0.10 max	0.05 - 0.10	0.06 - 0.10
Aluminum	0.15 - 0.60	0.15 - 0.60	0.25 - 0.60
Titanium	0.15 - 0.60	0.15 - 0.60	0.25 - 0.60
Aluminum + Titanium	0.30 - 1.20	0.30 - 1.20	0.85 - 1.20
ASTM Grain Size	Not Specified	5 or Coarser	5 or Coaser

Note: These alloys can be specified to more restrictive compositions on
a specific order basis.

Chemical Composition % for
Incoloy Alloys 800, 800H, and 800HT

INCOLOY® alloy 800H & 800HT®
Specifications

INCOLOY alloys 800H and 800HT are designated as
UNS N08810 and UNS N08811 and
Werkstoff Numbers 1.4876, 1.4958 and 1.4959.

Rod, Bar, Wire, Forgings, and Forging Stock
ASTM B 408 & ASME SB 408 (Rod & Bar), ASTM B 564 &
ASME SB 564 (Forgings), ASME Code Case 1325 (All
Product Forms), ASME Code Case 1949 (Forgings), ISO
9723 (Rod & Bar), ISO 9724 (Wire), ISO 9725 (Forgings),
BS 3076NA15 (Rod & Bar), BS 3075NA15 (Wire), SEW
470 (All Products), VdTÜV 412 & 434 (All Products),
DIN 17460 (Rod, Bar, & Forgings), EN 10095 (Rod &
Bar)

Plate, Sheet, and Strip
ASTM A 240/A 480 & ASME SA 240/SA 480 (Plate, Sheet, and Strip),
ASTM B 409/B 906 & ASME SB 409/SB 906 (Plate, Sheet, and Strip),
ASME Code Case 1325 (All Product Forms), ASME Code
Case 2339 (INCOLOY alloy 800H Plate), BS 3072NA15
(Plate & Sheet), BS 3073NA15 (Strip), SEW 470 (All
Products), VdTÜV 412 & 434 (All Products), DIN 17460
(Plate, Sheet, & Strip), EN 10028-7 & EN 10095 (Plate,
Sheet, & Strip)

Pipe and Tubes -
ASTM B 163 & ASME SB 163 (Seamless Condenser & Heat
Exchanger Tubes), ASTM B 407/B 829 & 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), ASME Code Case 1325 (All Product
Forms) and 1983 (Seamless Pipe & Tubes), BS 3074NA15
(Seamless Pipe & Tubes), SEW 470 (All Products),
VdTÜV 412 & 434 (All Products), ISO 6207 (Seamless Tubes), DIN
17459 (Seamless Pipe & Tubing)
Other Product Forms - ASTM B 366 & ASME SB 366
(Fittings), ASME Code Cases N-201 & N-254 (All Products for
Nuclear Construction), ISO 4955A (General)