Nickel and High-Nickel Chrome Alloys

N02200

Commercially pure wrought nickel (99.6% pure) with good mechanical properties, Alloy 200 has good resistance to corrosion from a wide range of sources. Also, Alloy 200 has good thermal, electrical and magnetostrictive properties. It can be used in processing equipment for strong bases, synthetic fibers; and for handling foods.

Alloy Grade

UNS

Carbon (C)

Manganese (Mn)

Phosphorous (P)

Sulphur (S)

Silicon (Si)

Chromium (Cr)

Nickel (Ni)

Molybdenum (Mo)

Nitrogen (N)

Iron (Fe)

Copper (Cu)

Titanium (Ti)

Aluminum (Al)

Cobalt (Co)

Tungsten (W)

Vanadium (V)

Niobium (Nb)

200

N02200

0.15

0.35

0.01

0.35

99.0 Min. (plus cobalt)

.40 Max.

0.25

N02201

Commercially pure wrought nickel (99.6% pure) differentiated from Alloy 200 by its low carbon content, which prevents embrittlement at temperatures above 600ºF. The lower carbon content also makes 201 suitable for cold-formed items, as a result of reduced hardness.

Alloy Grade

UNS

Carbon (C)

Manganese (Mn)

Phosphorous (P)

Sulphur (S)

Silicon (Si)

Chromium (Cr)

Nickel (Ni)

Molybdenum (Mo)

Nitrogen (N)

Iron (Fe)

Copper (Cu)

Titanium (Ti)

Aluminum (Al)

Cobalt (Co)

Tungsten (W)

Vanadium (V)

Niobium (Nb)

201

N02201

0.02

0.35

0.01

0.35

99.0 Min. (plus cobalt)

0.25

S31254

A chromium-nickel-6% molybdenum (6 moly) super austenitic alloy with high strength and excellent resistance to localized corrosion in sea water environments. This alloy finds applications in marine engineering, sea water heat exchangers, and food processing.

Alloy Grade

UNS

Carbon (C)

Manganese (Mn)

Phosphorous (P)

Sulphur (S)

Silicon (Si)

Chromium (Cr)

Nickel (Ni)

Molybdenum (Mo)

Nitrogen (N)

Iron (Fe)

Copper (Cu)

Titanium (Ti)

Aluminum (Al)

Cobalt (Co)

Tungsten (W)

Vanadium (V)

Niobium (Nb)

254SMO

S31254

0.20

1.0

0.03

0.01

0.80

19.5-20.5

17.5-18.5

6.0-6.5

.18-.25

Bal

0.50-1.00

.10-.30

.10-.30

N08367

A nickel-chromium-molybdenum super-austenitic alloy. Its low-carbon, high purity, nitrogen bearing, composition makes it resistant to a wide variety of corrosive environments. Applications include chemical processing, pulp and paper processing, marine and offshore, waste processing and food processing.

Alloy Grade

UNS

Carbon (C)

Manganese (Mn)

Phosphorous (P)

Sulphur (S)

Silicon (Si)

Chromium (Cr)

Nickel (Ni)

Molybdenum (Mo)

Nitrogen (N)

Iron (Fe)

Copper (Cu)

Titanium (Ti)

Aluminum (Al)

Cobalt (Co)

Tungsten (W)

Vanadium (V)

Niobium (Nb)

AL6XN

N08367

0.03

2.00

0.04

0.03

1.00

20.0-22.0

23.5-25.5

6.0-7.0

.18-.25

Bal

0.75

S31000

An austenitic stainless steel alloy, typically used for elevated temperature applications. Its high chromium and nickel content provides comparable corrosion resistance, superior resistance to oxidation, and the retention of a larger fraction of room temperature strength than the common austenitic Alloy 304. This alloy is used in the heat treatment. This grade is also used in the chemical process industry to contain hot concentrated acids, ammonia, and sulfur dioxide. In the food processing industry, they are used in contact with hot acetic and citric acid.

Alloy Grade

UNS

Carbon (C)

Manganese (Mn)

Phosphorous (P)

Sulphur (S)

Silicon (Si)

Chromium (Cr)

Nickel (Ni)

Molybdenum (Mo)

Nitrogen (N)

Iron (Fe)

Copper (Cu)

Titanium (Ti)

Aluminum (Al)

Cobalt (Co)

Tungsten (W)

Vanadium (V)

Niobium (Nb)

310

S31000

0.04-0.10

2.00

0.045

0.03

1.00

24.0-26.0

19.0-22.0

Bal

S32100

A stabilized stainless steel which offers excellent resistance to intergranular corrosion following exposure to temperatures in the chromium carbide precipitation range from 800ºF to 1500°F (427°C to 816°C). Alloy 321 is stabilized against chromium carbide formation by the addition of titanium. It is also advantageous for high temperature service because of its good mechanical properties. 321 offers higher creep and stress rupture properties than 304 and, particularly, 304L, which might also be considered for exposures where sensitization and intergranular corrosion are concerns.

Alloy Grade

UNS

Carbon (C)

Manganese (Mn)

Phosphorous (P)

Sulphur (S)

Silicon (Si)

Chromium (Cr)

Nickel (Ni)

Molybdenum (Mo)

Nitrogen (N)

Iron (Fe)

Copper (Cu)

Titanium (Ti)

Aluminum (Al)

Cobalt (Co)

Tungsten (W)

Vanadium (V)

Niobium (Nb)

321

S32100

0.08

2.00

0.04

0.03

0.75

17.0-20.0

9.0-12.0

0.1 max.

Bal.

S34700

A stabilized stainless steel which offers excellent resistance to intergranular corrosion following exposure to temperatures in the chromium carbide precipitation range from 800ºF to 1500°F (427°C to 816°C). Alloy 347 is stabilized by the addition of columbium and tantalum. It is also advantageous for high temperature service because of its good mechanical properties. Alloy 347 stainless steel offers higher creep and stress rupture properties than Alloy 304 and, particularly, Alloy 304L, which might also be considered for exposures where sensitization and intergranular corrosion are concerns.

Alloy Grade

UNS

Carbon (C)

Manganese (Mn)

Phosphorous (P)

Sulphur (S)

Silicon (Si)

Chromium (Cr)

Nickel (Ni)

Molybdenum (Mo)

Nitrogen (N)

Iron (Fe)

Copper (Cu)

Titanium (Ti)

Aluminum (Al)

Cobalt (Co)

Tungsten (W)

Vanadium (V)

Niobium (Nb)

347

S34700

0.04-0.10

2.00

0.04

0.03

0.75

17.0-20.0

9.0-13.0

Bal.

N06600

A nickel-chromium alloy with good oxidation resistance at high temperatures; and resistance to chloride-ion stress-corrosion cracking. Also resists corrosion by high-purity water, and caustic corrosion. Uses include chemical processing, nuclear engineering, and food processing.

Alloy Grade

UNS

Carbon (C)

Manganese (Mn)

Phosphorous (P)

Sulphur (S)

Silicon (Si)

Chromium (Cr)

Nickel (Ni)

Molybdenum (Mo)

Nitrogen (N)

Iron (Fe)

Copper (Cu)

Titanium (Ti)

Aluminum (Al)

Cobalt (Co)

Tungsten (W)

Vanadium (V)

Niobium (Nb)

600

N06600

0.15

1.00

0.015

0.50

14.0-17.0

72+

6.0-10.0

0.50

N04400

This nickel-copper alloy has high strength and excellent corrosion resistance, particularly in sea water, hydrofluoric acid, sulfuric acid, and strong bases. Common applications for 400 are chemical and hydrocarbon processing equipment, marine engineering, and heat exchangers.

Alloy Grade

UNS

Carbon (C)

Manganese (Mn)

Phosphorous (P)

Sulphur (S)

Silicon (Si)

Chromium (Cr)

Nickel (Ni)

Molybdenum (Mo)

Nitrogen (N)

Iron (Fe)

Copper (Cu)

Titanium (Ti)

Aluminum (Al)

Cobalt (Co)

Tungsten (W)

Vanadium (V)

Niobium (Nb)

400

N04400

0.30

2.00

0.024

0.50

63+

2.5 max.

28.0-34.0

N06601

Another nickel-chromium alloy, but with added aluminum to give excellent resistance to oxidation and high-temperature corrosion. Mechanical properties are high at elevated temperatures, making it suitable for use in furnaces, heat treating equipment (baskets, muffles and retorts), petrochemical processing equipment, and gas turbine components.
(no table information)

N07750

A nickel-chromium alloy similar to 600 that is precipitation-hardenable due to the addition of aluminum and titanium. It has good resistance to corrosion and oxidation, and has high tensile and creep-rupture properties at temperatures up to 1300ºF. Excellent relaxation resistance makes it useful for high-temperature springs and bolts. Applications also include rocket engines, aerospace, nuclear, gas turbines, and pressure vessels. (no table data)

N08800, N08810 & N08811

A nickel-chrome allow with good strength and excellent resistance to oxidation and carburization in high temperature applications, as well as corrosion resistance in aqueous environments. This alloy maintains a stable structure during prolonged exposure to elevated temperatures. 800H/HT exhibits significantly higher creep-rupture strength as a result of close control of carbon, aluminum and titanium along with high-temperature annealing. Applications include chemical and petrochemical processing, industrial furnaces, heat exchangers, process piping, carburizing equipment, and nuclear steam generators.

Alloy Grade	UNS	Carbon (C)	Manganese (Mn)	Phosphorous (P)	Sulphur (S)	Silicon (Si)	Chromium (Cr)	Nickel (Ni)	Molybdenum (Mo)	Nitrogen (N)	Iron (Fe)	Copper (Cu)	Titanium (Ti)	Aluminum (Al)	Cobalt (Co)	Tungsten (W)	Vanadium (V)	Niobium (Nb)
800	N08800	0.10	1.5		0.015	1.00	19.0-23.0	30.0-35.0			39.5 Min.	0.75	0.15-0.60	0.15-0.60
800H	N08810	0.05-0.10	1.5		0.015	1.00	19.0-23.0	30.0-35.0			39.5 Min.	0.75	0.15-0.60	0.15-0.60
800HT	N08811	0.06-0.10	1.5		0.015	1.00	19.0-23.0	30.0-35.0			39.5 Min.	0.75	0.15-0.60*	0.15-0.60*

N08825

A nickel-iron-chromium alloy with additional molybdenum and copper, that has excellent resistance to reducing and oxidizing acids (especially resistant to sulfuric and phosphoric acids), stress-corrosion cracking, pitting, and crevice corrosion. Uses include chemical processing, oil and gas applications, pollution control equipment and nuclear applications.

Alloy Grade

UNS

Carbon (C)

Manganese (Mn)

Phosphorous (P)

Sulphur (S)

Silicon (Si)

Chromium (Cr)

Nickel (Ni)

Molybdenum (Mo)

Nitrogen (N)

Iron (Fe)

Copper (Cu)

Titanium (Ti)

Aluminum (Al)

Cobalt (Co)

Tungsten (W)

Vanadium (V)

Niobium (Nb)

825

N08825

0.05

1.00

0.03

0.50

19.5-23.5

38.0-46.0

2.5-3.5

22.0 min.

1.5-3.0

0.6-1.2

0.20

N08904

A nickel-chromium allow with low carbon, non-stabilized, austenitic stainless steel. The addition of copper to this grade gives it greatly improved resistance to strong reducing acids, particularly sulfuric acid. It is also highly resistant to chloride attack, pitting and crevice corrosion, and stress corrosion cracking. This grade is non-magnetic in all conditions and has excellent weldability and formability. The austenitic structure also gives this grade excellent toughness, even down to cryogenic temperatures. Uses include processing plants for sulfuric, phosphoric and acetic acids; pulp and paper processing; components in gas scrubbing plants; seawater cooling equipment; and oil refinery components.

Alloy Grade

UNS

Carbon (C)

Manganese (Mn)

Phosphorous (P)

Sulphur (S)

Silicon (Si)

Chromium (Cr)

Nickel (Ni)

Molybdenum (Mo)

Nitrogen (N)

Iron (Fe)

Copper (Cu)

Titanium (Ti)

Aluminum (Al)

Cobalt (Co)

Tungsten (W)

Vanadium (V)

Niobium (Nb)

904L

N08904

0.02

2.00

0.045

0.035

1.00

19.0-23.0

23.0-28.0

4.0-5.0

0.10

Bal

1.0-2.0

S31803

A chromium-nickel-molybdenum-nitrogen alloyed duplex stainless steel with high general, localized, and stress corrosion resistance properties in addition to high strength and excellent impact toughness. It provides pitting and crevice corrosion resistance superior to 316L or 317L austenitic stainless steels in almost all corrosive media. It also has high corrosion and erosion fatigue properties as well as lower thermal expansion and higher thermal conductivity than austenitic. Applications are in chemical processing, oil and gas processing, pulp and paper, food processing and biofuel plants.

Alloy Grade

UNS

Carbon (C)

Manganese (Mn)

Phosphorous (P)

Sulphur (S)

Silicon (Si)

Chromium (Cr)

Nickel (Ni)

Molybdenum (Mo)

Nitrogen (N)

Iron (Fe)

Copper (Cu)

Titanium (Ti)

Aluminum (Al)

Cobalt (Co)

Tungsten (W)

Vanadium (V)

Niobium (Nb)

2205

S31803

0.03

2.00

0.03

0.02

1.00

22.0-23.0

4.5-6.5

3.0-3.5

0.14-0.20

Bal

N08020

A nickel-iron-chromium alloy with added copper and molybdenum, and small amounts of niobium, resists intergranular corrosion. Alloy 20 demonstrates excellent resistance to corrosion, pitting, and crevice corrosion with chemicals containing chlorides, and sulfuric, phosphoric and nitric acids. Uses include tanks, valves, piping and pumps for chemical process equipment.

Alloy Grade

UNS

Carbon (C)

Manganese (Mn)

Phosphorous (P)

Sulphur (S)

Silicon (Si)

Chromium (Cr)

Nickel (Ni)

Molybdenum (Mo)

Nitrogen (N)

Iron (Fe)

Copper (Cu)

Titanium (Ti)

Aluminum (Al)

Cobalt (Co)

Tungsten (W)

Vanadium (V)

Niobium (Nb)

Alloy 20

N08020

0.07

2.00

0.045

0.035

1.00

19.0-21.0

32.0-38.0

2.0-3.0

Bal.

3.0-4.0

8xC-1.00

N06059

A nickel-chromium-molybdenum alloy (with iron ‹1) is the purest ternary alloy of the Ni-Cr-Mo family, demonstrates superior resistance to pitting, crevice corrosion and stress corrosion; particularly in sea water, as well as improved resistance to intergranular attack over previous C grade materials. Alloy 59 is used for sulfuric acid reactors, pulp and paper digesters, heat exchangers, mixers and filters in acidic chloride environments.

Alloy Grade

UNS

Carbon (C)

Manganese (Mn)

Phosphorous (P)

Sulphur (S)

Silicon (Si)

Chromium (Cr)

Nickel (Ni)

Molybdenum (Mo)

Nitrogen (N)

Iron (Fe)

Copper (Cu)

Titanium (Ti)

Aluminum (Al)

Cobalt (Co)

Tungsten (W)

Vanadium (V)

Niobium (Nb)

Alloy 59

N06059

0.01

0.50

0.015

0.01

0.01

22.0-24.0

Bal.

15.0-16.5

1.50

0.50

0.1-0.4

0.30

N10276

A nickel-molybdenum-chromium alloy with the addition of tungsten, this alloy has excellent corrosion resistance in a wide range of severe environments. The high molybdenum content give is excellent resistance to pitting and crevice corrosion. The low carbon content minimizes carbide precipitation during welding to maintain corrosion resistance in as-welded structures. Applications include chemical processing, pulp and paper processing, waste treatment, and pollution control.

Alloy Grade

UNS

Carbon (C)

Manganese (Mn)

Phosphorous (P)

Sulphur (S)

Silicon (Si)

Chromium (Cr)

Nickel (Ni)

Molybdenum (Mo)

Nitrogen (N)

Iron (Fe)

Copper (Cu)

Titanium (Ti)

Aluminum (Al)

Cobalt (Co)

Tungsten (W)

Vanadium (V)

Niobium (Nb)

C-276

N10276

0.01

1.00

0.04

0.03

0.08

14.5-16.5

Bal

15.0-17.0

4.0-7.0

2.50

3.0-4.5

0.35

N10675

A nickel-molybdenum alloy with excellent resistance to hydrochloric acid at all concentrations and temperatures. It also withstands sulfuric, acetic, formic and phosphoric acids, and other non-oxidizing media. B-3 alloy has a special chemistry designed to achieve a level of thermal stability greatly superior to that of its predecessors, (such as B-2). B-3 alloy has excellent resistance to pitting corrosion, to stress-corrosion cracking and to knife-line and heat-affected zone attack. B-3 is not recommended for use in the presence of ferric or cupric salts as these salts may cause rapid corrosion failure. Ferric or cupric salts may develop when hydrochloric acid comes in contact with iron or copper.

Alloy Grade	UNS	Carbon (C)	Manganese (Mn)	Phosphorous (P)	Sulphur (S)	Silicon (Si)	Chromium (Cr)	Nickel (Ni)	Molybdenum (Mo)	Nitrogen (N)	Iron (Fe)	Copper (Cu)	Titanium (Ti)	Aluminum (Al)	Cobalt (Co)	Tungsten (W)	Vanadium (V)	Niobium (Nb)
B-3	N10675	0.10	3.00	0.030	0.01	0.01	1.0-3.0	65 min.	27.0-32.0		1.0-3.0	0.20	0.20	0.50	3.00	3.00	0.20	0.20

Ta=.20 max
Zr=.10
Ni+Mo=94-98

N06022

A chromium-molybdenum alloy with additional tungsten and controlled iron, this alloy has excellent resistance to oxidizing and reducing acid environments. C-22 is especially resistant to pitting and crevice corrosion in acid-halide environments. It I used for chemical processing, pollution control, pulp and paper processing, flue gas desulfurization, and waste incineration.

Alloy Grade

UNS

Carbon (C)

Manganese (Mn)

Phosphorous (P)

Sulphur (S)

Silicon (Si)

Chromium (Cr)

Nickel (Ni)

Molybdenum (Mo)

Nitrogen (N)

Iron (Fe)

Copper (Cu)

Titanium (Ti)

Aluminum (Al)

Cobalt (Co)

Tungsten (W)

Vanadium (V)

Niobium (Nb)

C-22

N06022

0.015

0.50

0.02

0.03

0.08

20.0-22.5

Bal

12.5-14.5

2.0-6.0

2.50

2.5-3.5

0.35

R50400

This is unalloyed titanium which comes in several grades containing minor amounts of impurity elements, such as carbon, iron and oxygen. The amount of oxygen can be controlled at various levels to provide increased strength.

Alloy Grade

UNS

Carbon (C)

Manganese (Mn)

Phosphorous (P)

Sulphur (S)

Silicon (Si)

Chromium (Cr)

Nickel (Ni)

Molybdenum (Mo)

Nitrogen (N)

Iron (Fe)

Copper (Cu)

Titanium (Ti)

Aluminum (Al)

Cobalt (Co)

Tungsten (W)

Vanadium (V)

Niobium (Nb)

Titanium Grade 2

R50400

0.08

0.03

0.3 max

Bal.

H=0.015
O=0.25