Superalloys

Stainless designationStandard designationsInternational standardsFormDescription
Nickel Base Alloys
Nickel 200(1)UNS N 02200
2.4060
N99,2
ASTM B 162
AMS 5553
Strip Commercialy pure nickel.
High corrosion resistance.
Nickel 201(1)UNS N 02201
2.4061
LC N99
ASTM B 162Strip Similar to Nickel 200, with a lower carbon content for a better formability.
Hastelloy B2(2)UNS N 10065
2.4617
Ni Mo 28
ASTM B 333StripGood resistance to hydrochloric acid, sulphuric acid and phosphoric acid. Oxidation resistance up to 760° C (1400° F).
Hastelloy C22(2)UNS N 06022
2.4602
NiCr21Mo14W
ASTM B 275StripResistant to a variety of industrial chemicals.
Superior weldability.
Hastelloy C276(2)UNS N 10276
2.4819
NiMo16Cr15W
ASTM B 575StripGood resistance to oxidising agents.Same properties as Hastelloy C22 with a better machineability.
Hastelloy G30(2)UNS N 06030
2.4603
NiCr30FeMo
ASTM B 582StripOutstanding resistance to phosphoric acid corrosion and environments with highly oxidising acids.
Hastelloy X(2)UNS N 06002
2.4665
NiCr22Fe18Mo
ASTM B 435
AMS 5536
StripGood strength and oxidation resistance to 1200° C (2200° F)
Haynes 214(2)UNS N 07214
2.4646
 StripOxidation resistant to 1200° C (2200° F).Recommended in carburizing, chlorine contaminated and oxidising atmospheres
Haynes 230(2)UNS N 06230
2.4733
NiCr22W14Mo
ASTM B 435
AMS 5878
StripOutstanding resistance to oxidising environments up to 1150° C (2100° F) for long periods.
Haynes 242(2)  StripAge hardenable alloy for use up to 700° C (1300° F).Low thermal expansion, good oxidation resistance and excellent aged ductility.
Inconel 600(1)UNS N 06600
2.4816
NiCr15Fe
ASTM B 168
AMS 5540
StripHigh corrosion and heat resistance combined with excellent strength and machineability. Oxidation resistance up to 1175° C (2150° F).
Inconel 625(1)UNS N 06625
2.4856
NiCr22Mo9Nb
ASTM B 443
AMS 5599
StripOutstanding corrosion resistance and good for cryogenic to high temperature applications up to 1090° C (2000° F)
Inconel 718(1)UNS N 07718
2.4668
NiCr19FeNb
ASTM B 670
AMS 5596, 5597
StripHigh strength and corrosion resistance for use in temperatures ranging from -250° C to 700° C (-420° F to 1300° F)
Inconel X 750(1)UNS N 07750
2.4669
NiCr15Fe7TiA
ASTM B 637
AMS 5548, 5598
StripPrecipitation hardening alloy with good strength up to 815° C (1500° F). Good corrosion and oxidation resistance.
Incoloy 800(1)UNS N 08800
1.4876
X8NiCr32.20
ASTM B 409
AMS 5871
StripCarburization resistant at elevated temperatures.
Incoloy 825(1)UNS N 08825
2.4858
NiCr23Fe
ASTM B 424StripHighly resistant to sulphuric and phosphoric acids, and seawater.
Ni Span C 902(1)UNS N 09902AMS 5221, 5223, 5525StripUsed in environments subject to severe temperature fluctuations from -50° C to +150°C (-60° F to 300° F).
Monel 400(1)UNS N 04400
2.4360
NiCu30Fe
ASTM B 127
AMS 4544
StripGood corrosion and oxidation resistance up to 535°C (1000° F), for use in seawater and general salt water environments
Monel K 500(1)UNS N 05500
2.4375
 StripPrecipitation hardening alloy similar to Monel 400 but with higher tensile strength. Good strength and ductility from 215° C to 650° C (420° F to 1200°F)
Cobalt base alloys
Haynes 25(2)UNS R 30605
CoCr20WNi
AMS 5537StripGood properties and resistant to high temperature oxidation up to 1035° C (1900° F)
Haynes 188(2)UNS R 30188
CoCrNi22W
AMS 5608StripExcellent high temperature strength and oxidation resistance to 1090° C (2000° F), combined with good ductility after tempering
Waspaloy(3)UNS N 07001
2.4601
NiCr20Co13Mo4Ti3A
AMS 5544StripAge hardenable alloy for high strength and corrosion resistant parts up to 870° C (1600° F).
Elgiloy(4) / Phynox(5)UNS R 30003
2.4711
CoCr20Ni16Mo7
ISO 5832-7
ASTM F-1058
AMS 5875, 5876
StripHigh strength alloy with good fatigue strength and outstanding corrosion resistance. Non-magnetic.
MP35N(6)UNS R30035ASTM F562 (chem. only)Strips
Bars
Wires
Unique combination of very high strength, good ductility and excellent corrosion resistance.
M 64 BC(7)Low carbon
Alloy 21
CoCr28 Mo
ISO 5832-12
ASTM F 799
ASTM F1537 Alloy 1
BarsHigh strength combined with high corrosion resistance.
XSH(7)CoCr20W15NiISO 5832-5
ASTM F 90
BarsHigh X-ray opacity

(1) Trademark Special Metals Group of Companies
(2) Trademark Haynes International
(3) Trademark United Technologies Corp.
(4) Trademark Elgiloy Specialty Metals
(5) Trademark ArcelorMittal Stainless & Nickel Alloys
(6) Registered trademark of SPS Technologies
(7) Trademark Aubert & Duval

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