UNS N08811 Pipes & Tubes Manufacturer and Supplier in India

Nickel (Ni)

30.0 to 35.0

Chromium (Cr)

19.0 to 23.0

Iron (Fe)

39.5 min

Carbon (C)

0.06 to 0.10

Aluminium (Al)

0.15 to 0.60

Titanium (Ti)

0.15 to 0.60

Combined Al + Ti

0.85 to 1.20

Manganese (Mn)

1.50 max

Silicon (Si)

1.00 max

Sulphur (S)

0.015 max

Copper (Cu)

0.75 max

Mechanical Properties

Tensile Strength, min

450 MPa

65 ksi

Yield Strength (0.2% Offset), min

170 MPa

25 ksi

Elongation in 50 mm (or 4D), min

30%

30%

Heat Treatment & Metallurgical Requirements

Minimum Annealing Temperature

1149°C

2100°F

Required Grain Size

ASTM No. 5 or coarser

ASTM No. 5 or coarser

Density

7.94 g/cm³

0.287 lb/in³

Melting Range

1357°C to 1385°C

2475°F to 2525°F

Specific Heat

460 J/kg·K

0.11 Btu/lb·°F

Thermal Conductivity

11.5 W/m·K

79.8 Btu·in/ft²·h·°F

Mean Coeff. of Thermal Expansion (20°C–100°C)

14.2 µm/m·°C

7.9 µin/in·°F

Modulus of Elasticity

196 GPa

28.5 × 10⁶ psi

Electrical Resistivity

0.989 µΩ·m

595 Ω·circ mil/ft

Magnetic Permeability

Non-magnetic (Austenitic matrix)

Non-magnetic

UNS System

UNS N08811

Trade Name

Incoloy 800HT, Alloy 800HT

Werkstoff Number (W.Nr)

1.4959

EN European Standard

X8NiCrAlTi32-21

JIS (Japanese Standards)

NCF 800HT (Tube: NCF 800HTB)

1/2"

21.34 mm

1.65 mm / 0.81 kg/m

2.11 mm / 1.01 kg/m

2.77 mm / 1.28 kg/m

3.73 mm / 1.64 kg/m

3/4"

26.67 mm

1.65 mm / 1.03 kg/m

2.11 mm / 1.29 kg/m

2.87 mm / 1.70 kg/m

3.91 mm / 2.22 kg/m

1"

33.40 mm

1.65 mm / 1.31 kg/m

2.77 mm / 2.12 kg/m

3.38 mm / 2.53 kg/m

4.55 mm / 3.27 kg/m

1 1/4"

42.16 mm

1.65 mm / 1.67 kg/m

2.77 mm / 2.72 kg/m

3.56 mm / 3.43 kg/m

4.85 mm / 4.51 kg/m

1 1/2"

48.26 mm

1.65 mm / 1.92 kg/m

2.77 mm / 3.14 kg/m

3.68 mm / 4.09 kg/m

5.08 mm / 5.47 kg/m

2"

60.33 mm

1.65 mm / 2.42 kg/m

2.77 mm / 3.98 kg/m

3.91 mm / 5.50 kg/m

5.54 mm / 7.57 kg/m

2 1/2"

73.03 mm

2.11 mm / 3.73 kg/m

3.05 mm / 5.32 kg/m

5.16 mm / 8.74 kg/m

7.01 mm / 11.54 kg/m

3"

88.90 mm

2.11 mm / 4.57 kg/m

3.05 mm / 6.53 kg/m

5.49 mm / 11.42 kg/m

7.62 mm / 15.45 kg/m

4"

114.30 mm

2.11 mm / 5.90 kg/m

3.05 mm / 8.46 kg/m

6.02 mm / 16.26 kg/m

8.56 mm / 22.58 kg/m

6"

168.28 mm

2.77 mm / 11.44 kg/m

3.40 mm / 13.98 kg/m

7.11 mm / 28.58 kg/m

10.97 mm / 43.05 kg/m

8"

219.08 mm

2.77 mm / 14.95 kg/m

3.76 mm / 20.19 kg/m

8.18 mm / 43.03 kg/m

12.70 mm / 65.38 kg/m

10"

273.05 mm

3.40 mm / 22.87 kg/m

4.19 mm / 28.10 kg/m

9.27 mm / 60.99 kg/m

12.70 mm / 82.48 kg/m

12"

323.85 mm

3.96 mm / 31.60 kg/m

4.57 mm / 36.40 kg/m

9.53 mm / 74.72 kg/m

12.70 mm / 98.57 kg/m

5/8" (15.88 mm)

0.45 kg/m

0.59 kg/m

0.72 kg/m

0.91 kg/m

1.06 kg/m

3/4" (19.05 mm)

0.55 kg/m

0.72 kg/m

0.89 kg/m

1.12 kg/m

1.33 kg/m

1" (25.40 mm)

0.75 kg/m

0.98 kg/m

1.23 kg/m

1.56 kg/m

1.87 kg/m

1 1/4" (31.75 mm)

0.94 kg/m

1.24 kg/m

1.56 kg/m

2.00 kg/m

2.40 kg/m

1 1/2" (38.10 mm)

1.14 kg/m

1.50 kg/m

1.89 kg/m

2.44 kg/m

2.94 kg/m

2" (50.80 mm)

1.53 kg/m

2.02 kg/m

2.56 kg/m

3.32 kg/m

4.02 kg/m