Alloy 718, Nickel 718 Nickel Alloy Pipe ASTM B444 and ASME SB444 UNS N07718
Alloy 718, Nickel 718 Nickel Alloy Pipe ASTM B444 and ASME SB444 UNS N07718
Alloy 718 is a p recipitation hardened Nickel, Chromium alloy with excellent weld ability and resistant to post weld cracking, Used extensively through the nuclear and turbine industry..
Chemipetro supplies Alloy 718 in the following Product Forms:
Seamless pipe to ASTM B444 and ASME SB444
Welded pipe to ASTM B705 and ASME SB705
Flanges to ASTM B564 and ASME SB564
Fittings to ASTM B366 and ASME SB366
Bar to ASTM B446 and ASME SB446
Plate to ASTM B443 and ASME SB443
Chemical Composition
Nickel (plus cobalt) ......................................................99.0 min.
Copper........................................................................0.25 max.
Iron..............................................................................0.40 max.
Manganese .................................................................0.35 max.
Carbon........................................................................0.15 max.
Silicon .........................................................................0.35 max.
Sulfur ..........................................................................0.01 max
Physical Properties of Nickel Alloy 200/201 in the Annealed Condition at -20°F to +100°F
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Tensile Strength |
Yield Strength |
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Alloy |
UNS Desig nation |
Spec. |
psi |
MPa |
ksi |
psi |
MPa |
ksi |
Elon gation in 2 in. (min.) % |
Grain Size Req. |
Max. Hard ness |
Modulus of Elasticity (x106psi) |
Mean Coefficient of Thermal Expansion ((IN./IN./°F x 10-6) |
Thermal Conductivity (BTU-in/ ft2-h-°F) |
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200 |
N02200 |
B725, B730 |
55,000* |
380* |
55 |
15,000* |
105* |
15 |
35* |
— |
— |
30.0 |
7.4 |
533 |
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201 |
N02201 |
B725, B730 |
50,000* |
345* |
50 |
12,000* |
80* |
12 |
35* |
— |
— |
30.0 |
7.4 |
533 |
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*Annealed Condition
Composition of Nickel Alloy 200/201 tubing and pipe
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Grade |
200 |
201 |
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UNS Designation |
N02200 |
N02201 |
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Nickel (Ni) |
99.0 Min. (Plus Cobalt) |
99.0 Min. (Plus Cobalt) |
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Chromium (Cr) |
— |
— |
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Iron (Fe) |
0.40 Max. |
— |
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Molybdenum (Mo) |
— |
— |
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Titanium (Ti) Max. |
— |
— |
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Aluminum (Al) Max. |
— |
— |
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Cobalt (Co) Max. |
— |
— |
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Tungsten (W) |
— |
— |
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Vanadium (V) Max. |
— |
— |
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Copper (Cu) Max. |
0.25 |
0.25 |
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Manganese (Mn) Max. |
0.35 |
0.35 |
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Niobium (Nb) plus Tantalum |
— |
— |
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Carbon (C) Max. |
0.15 |
0.02 |
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Nitrogen (N) Max. |
— |
— |
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Silicon (Si) Max. |
0.35 |
0.35 |
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Sulphur (S) Max. |
0.01 |
0.01 |
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Phosphorous (P) Max. |
— |
— |
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Other Elements |
— |
— |
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Nickel Alloy 200/201 Product Range
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Alloy |
UNS Designation |
Werkstoff NR. |
Specifications* |
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200 |
N02200 |
2.4066 |
B161, B163 |
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201 |
N02201 |
2.4061 |
B161, B163 |
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Nickel Products
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NICKEL PIPES and TUBES: All types of seamless & welded pipes & tubes are available in all sizes and grades. Grade: Nickel 200 (UNS 02200), Nickel 201 (UNS 02201), Nickel 205 (UNS 205) |
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