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Light Combat Aircraft
MiG Engine
Rotor Disc |
SUPERALLOYS
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Nickel-base SUPERNI
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Cobalt-base SUPERCO
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Iron base SUPERFER
Superalloys find extensive application in aeronautics, space, nuclear, chemical, petrochemical, power generation and furnace industries, where extreme temperatures, mechanical stresses and corrosive environments are encountered.
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GRADE |
UNS NO. |
CONFORMITY TO INTERNATIONAL SPECN. |
KNOWN NEAR EQUIVALENT |
Superfer MDS |
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INCOLOY DS |
Superfer 800/800H |
N 08800/08810 |
ASTM B 163, B 407, B 408, B 409 |
INCOLOY 800/800H |
Superni 600 |
N 06600 |
ASTM B 166, B 168, DTD 328A |
INCONEL 600 |
Superni 76 |
N 06002 |
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HASTELLOY X |
Superni 80A |
N 07080 |
ASTM B 637, BS HR 201 |
NIMONIC 90 |
Superni 90 |
N 07090 |
BS 2HR 2 |
NIMONIC 90 |
Superni 718 |
N 07718 |
AMS 5662, 5663, ASTM B637, B 670 |
INCONEL 718 |
Superni 750 |
N 07750 |
ASTM A 461 |
INCONEL X-750 |
Superni 825 |
N 08825 |
ASTM B 163, B 423, B 424, B 425 |
INCOLOY 825 |
Superweld 82 |
N 06082 |
AWS ERNiCr-3 |
INCONEL 82 |
Superni C276 |
N 10276 |
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HASTELLOY C276 |
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GRADE |
PRODUCT CHARACTERISTICS |
APPLICATIONS |
Superfer MDS |
Good heat resisting property
Resistant to green rot which occurs when atmosphere varies between oxidizing and reducing.
Resistant to corrosion process. |
Furnace parts and heat treatment jigs in carburising and nitriding furnaces. |
Superfer 800 |
Resistant to oxidation and carburisation
Resists stress-corrosion cracking and a variety of industrial atmospheres. |
Furnace equipment, steam boilers, heat exchangers and piping in chemical / petro- chemical and nuclear industries, reformer baffle plates / tubes in fertilizer plants. |
Superni 600 |
Nickel-Chromium-Iron alloy having high temperature corrosion and oxidation resistance upto 10500 C
Good to excellent resistance to various corrosive media both organic and inorganic.
Excellent mechanical properties with combination of high strength and good workability. |
Furnace muffles in oxidizing atmosphere.
High temperature springs.
High exchanger tubings
Chemical and food processing equipment.
Nuclear parts viz. feed values, combustion chambers etc. |
GRADE |
PRODUCT CHARACTERISTICS |
APPLICATIONS |
Superni 76 |
Good strength & oxidation resistance upto 12000C
Good forming and welding properties. |
- Gas turbine parts. |
Superni 80A |
Heat treatable 80-20 Ni-Cr alloy with outstanding creep resistant properties.
High strength upto 800 C
High oxidation resistance.
High fatigue properties under very arduous conditions. |
Gas turbine components such as rotor and stator blades, combustion chamber and other parts.
Exhaust valves in diesel engines.
HT fasteners operating under continuous stressed condtion. |
Superni 90 |
Nickel based Superalloy containing chromium and cobalt with aluminum as hardening agents.
High strength upto 8500 C.
Excellent creep resistance upto 8000 C
High resistant to oxidation, scaling and corrosion in various atmospheres. |
Die inserts and mandrels for forging, bolts, fasteners, hot shear blades. |
Superni 718 |
Precipitation hardenable nickel based alloy.
High yield strength upto 650 0 C
Excellent cryogenic properties upto – 2170 C
Good weldability even in aged condition.
Excellent oxidation resistance upto 9800 C
Ease of formability. |
Jet engines, pump bodies and parts. |
Superni 750 |
Age hardenable alloy used for its corrosion and oxidation resistance and high creep strength at temperature upto 8000 C |
Gas turbine parts, aviation and indl. Springs, bolts, bellows. |
Superni 825 |
For use in aggressively corrosive environments.
Resistant to chloride-ion stress-corrosion cracking.
Resistant to reducing acids and oxidizing chemicals. |
Phosphoric and evaporators, chemical process equipment. |
Superweld 82 |
Used for gas shielding arc welding of Superni’s etc., to steel or other dissimilar combination of nickel-base and iron-base alloys. |
Welding electrodes. |
Superni C276 |
Resistant to various acids like hydrochloric acids. |
Tanks, vessels, handing wet chlorine gas, hypochlorite, ferric & cupric chlorides, etc, |
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