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Inconel 617

Designated as UNS N06617 or W.Nr. 2.4663a, Inconel 617, also known as “Alloy 617”, is a nickel-chromium-cobalt-molybdenum alloy with an exceptional combination of metallurgical stability, strength, and oxidation resistance at high temperatures. Its resistance to oxidation is enhanced by an aluminum addition. Inconel Alloy 617 also resists a wide range of corrosive aqueous environments. It can be used in gas turbines for combustion cans, ducting, and transition liners; for petrochemical processing piping; for heat-treatment equipment; and in nitric acid production. Inconel 617 also offers attractive properties for piping components of power plants, both fossil-fueled or nuclear.

Inconel 617 forged ring connectors

Inconel 617 forged ring connectors, ASTM B564 UNS N06617.

1. Chemical Composition Requirements

ElementContent, %
Nickel≥44.5
Chromium20.0-24.0
Cobalt10.0-15.0
Molybdenum8.0-10.0
Aluminum0.8-1.5
Carbon0.05-0.15
Iron≤3.0
Manganese≤1.0
Silicon≤1.0
Sulfur≤0.015
Titanium≤0.6
Copper≤0.5
Boron≤0.006

2. Physical Properties

DensityMelting RangeSpecific Heat at 78°F(26°C)Electrical Resistivity at 78°F(26°C)
lb/in3Mg/m3°F°CBtu/lb-°FJ/kg-°Cohm-circ mil/ftμΩ-m
0.3028.362430-25101332-13800.1004197361.22

3. Product Forms and Related Standards for Inconel 617

Products FormStandard
Rod, bar and wireASTM B166
Plate, sheet and stripASTM B168, B906
Seamless pipe and tubeASTM B167, B829
Billet and bar for reforgingASTM B472
ForgingASTM B564

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    Hebei Metals Industrial Limited
    (Shijiazhuang Metalsin Pipeline Tech Co., Ltd)
    No. 176, Zhonghua South Street, Shijiazhuang, China.
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