Incoloy

UNS: N08810 DIN 1.4876

800H

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Equivalent

DIN 1.4876

ASTM: B163/B366

ASTM: B 409

UNS: N08810

Chemical Composition (%)

 

C

Mn

Fe

S

Ni

Si

Ti

Al

Cr

Min

39.5

30.0

0.15

0.15

19.0

Max

0.75

1.5

0.015

35.0

1.0

0.6

0.6

23.0

800 VS 800H VS 800HT

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 coarser

Electrical and Thermal Properties

Temperature Electrical
Resistivity
Thermal
Conductivity
Coefficient of
Expansiona
°F ohm•circ mil/ft Btu•in/ft2•h°F 10-6  in/in/°F
70  595  80 
100  600  83 
200  620  89  7.9 
400  657  103  8.8 
600  682  115  9.0 
800  704  127  9.2 
    1000  722  139  9.4 
    1200  746  152  9.6 
    1400  758  166  9.9 
    1600  770  181  10.2 
    1800  776  214 
    2000  788 

Modulus of Elasticity

Temperature Tensile
Modulus
Shear Modulus Poisson’s
Ratiob
    °F 103  ksi 103  ksi
   -310  30.55  11.45  0.334 
75  28.50  10.64  0.339 
   200  27.82  10.37  0.341 
   400  26.81  9.91  0.353 
    600  25.71  9.47  0.357 
    800  24.64  9.04  0.363 
1000  23.52  8.60  0.367 
1200  22.37  8.12  0.377 
1400  21.06  7.58  0.389 
1600  19.20  6.82  0.408 

Tensile Properties

Temperature Hardness
BHN
Tensile Strength Yield Strength
(0.2% Offset)
°F     °C ksi MPa     ksi MPa
80      27  126  77.8  536      21.7  150 
800  425  67.5  465      18.8  130 
1000  540  90  62.7  432      13.0  90 
1200  650  84  54.8  378      13.5  93 
1300  705  82  47.7  329      15.8  109 
1400  760  74  34.2  236      13.1  90 

Available Products

  • COIL
  • SHEET/PLATE
  • TUBE
  • ROD
  • WIRE
  • FORGINGS

Advantages

HIGH TEMPERATURE RESISTANCE: INCOLOY 800 alloys are able to maintain stable operation in high temperature environments without deterioration or damage. The alloy is stable for long periods of time in environments up to 800°C.

CORROSION RESISTANCE: The alloy has excellent corrosion resistance and is able to withstand most acids, alkalis and chlorides. In particular, the alloy exhibits excellent resistance to stress corrosion rupture in chlorides, low concentrations of NaOH aqueous solutions and high temperature and pressure water.

Oxidation resistance: INCOLOY 800 alloy is able to maintain a stable surface condition under high temperature oxidizing environments and is not susceptible to oxidation and embrittlement.

Mechanical properties: The alloy has good mechanical properties, including high strength and toughness. It can withstand greater stress and pressure, and is suitable for the manufacture of a variety of complex shapes of parts and products.

Welding Properties: INCOLOY 800 alloy is easy to weld and can be joined by a variety of welding methods, and the welded joints have properties comparable to those of the base material.

Machinability: INCOLOY 800 alloy has good plasticity and machinability, and is easy to carry out cold and hot processing.

Applications

1.Petrochemical industry

2.Nuclear Power Industry

3.Solar Energy Industry

4.Food Processing Industry

5.Chemical industry

6.Aerospace

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