Difference Between Inconel 600 and 800

INCONEL 600

Alloy 600 is a nonmagnetic, nickel-based high temperature alloy possessing an excellent combination of high strength, hot and cold workability, and resistance to ordinary form of corrosion. This alloy also displays good heat resistance and freedom from aging or stress corrosion throughout the annealed to heavily cold worked condition range.

In extreme conditions & high temperature it is especially important to have piping materials that resist wear to corrosion, oxidation, and high temperatures. The Inconel 60 answers the bell with supreme corrosion resistance to go along with heat-resistance and freedom from aging.

Among Inconel Alloys specifically the Alloy 600 is a nonmagnetic, nickel-based (72%) alloy also containing chromium (14%), iron (6%), and other trace compounds. These super alloy 600 products provide a perfect mesh of corrosion and heat resistance that makes them an ideal solution for a large number of industries. Some typical applications of the 600-800 series include many in the heat-treating field. Strength and oxidation resistance at high-temperatures make these bolts a viable option in mufflers, retorts, hearths, and many furnace components.

The properties of Inconel 600 also make it a desirable products in the chemical industries. Some common applications include within heaters, in stills, distillation towers, evaporator tubes, flaking trays, and other instances that require the processing of acids and sulfides. A further example of the alloys versatility is its use in the electronic, aeronautical, and nuclear industry among others. From engines to exhaust and a variety of other applications where heat, water, or acid is constantly present the Inconel 600 alloy stand strong.

The main advantage of the 600 alloy is the high chromium content which helps to raise the oxidation resistance significantly higher than that of pure nickel. The high nickel content conversely gives the alloy high corrosion resistance even as surrounding conditions escalate. The alloy 600 has tested high for resistance against salt water, gas from exhaust, organic acids, and physical stress which makes it a great compound for bolts and other fasteners exposed to those conditions.

INCONEL ALLOY 600 (ALLOY 600 - UNS N06600)
Inconel 600 (ALLOY 600 - UNS N06600)
Ask For Price?Common Trade Names : Inconel 600®, Nickelvac® 600, Ferrochronin® 600

ASTM Specifications

Pipe Smls Pipe Welded Tube Smls Tube Welded Sheet/Plate Bar Forging Fitting Wire
B167 B517 B163 B516 B168 B166 B564 B366  

Mechanical Properties
Typical room temperature Tensile Properties of Annealed Material

Product Form Condition Tensile (ksi) .2% Yield (ksi) Elongation (%) Hardness (HRB)
Rod & Bar Cold-Drawn 80-100 25-50 35-55 65-85
Rod & Bar Hot-Finished 80-100 30-50 35-55 65-85
Tube & Pipe Hot-Finished 75-100 25-50 35*55 -
Tube & Pipe Cold-Drawn 80-100 25-50 35-55 88 Max
Plate Hot-Rolled 80-105 30-50 35-55 65-85
Sheet Cold-Drawn 80-100 30-45 35-55 88 Max

Inconel 600 Melting Point

Element Density Melting Point Tensile Strength Yield Strength (0.2%Offset) Elongation
Inconel 600 8.47 g/cm3 1413 °C (2580 °F) Psi – 95,000 , MPa – 655 Psi – 45,000 , MPa – 310 40 %

Inconel 600 Equivalent

STANDARD WERKSTOFF NR. UNS JIS BS GOST AFNOR EN
Inconel 600 2.4816 N06600 NCF 600 NA 13 МНЖМц 28-2,5-1,5 NC15FE11M NiCr15Fe

Type Analysis

Element

Min

Max

Carbon

--

0.10

Nickel

72.0 min

Chromium

14.0

17.0

Iron

6.00

10.00

Silicon

--

0.50

Manganese

--

1.00

Sulfur

--

0.015

Copper

--

0.50

Applications

Some typical applications are:

  • Barge and tank truck liners
  • Carburizing atmospheres
  • Ethylene dichloride crackers
  • Furnace trays, mufflers, hangers
  • Gasoline stabilizer production
  • MgCl2 evaporates
  • Phenol condensers
  • Soap manufacture
  • Titanium dioxide
  • Vegetable and fatty acid vessels

Corrosion Resistance

The high chromium content of alloy 600 raises its oxidation resistance considerably above that of pure nickel, while its high nickel content provides good corrosion resistance under reducing conditions.
This alloy exhibits high levels of resistance to stress and salt water, exhaust gases, and most organic acids and compounds.

Average Physical Properties

Physical Properties

°F

British Units

°C

Metric Units

Density

Room

0.304 lb./cubic in.

Room

8.43g/cubic cm

Electrical
Resistivity

70
200
400
600
800

40.6 microhm-in.
40.9
41.5
42.2
43.0

21
93
204
316
427

1.03 microhm-m
1.04
1.05
1.07
1.09

Mean Coefficient
of Thermal
Expansion

70-200
70-400
70-600
70-800

7.4 microinches/in.-°F
7.7
7.9
8.1

21-93
21-204
21-316
21-427

13.3 x 10(-6)m/m·K
13.9
14.2
14.6

Thermal
Conductivity

70
200
400
600
800

103 Btn-in./ft².-hr.-°F
109
121
133
145

21
93
204
316
427

14.8 W/m·K
15.7
17.4
19.2
20.9

Modulus
of Elasticity

Room

30.0 x 10(6) psi

Room

207 GPa

Heat Treatment

Alloy 600 is not an age hardening alloy; cold working is the only available means of hardening. Softening by annealing begins at about 1600°F (871°C), and is reasonably complete after 10 to 15 minutes of heating at 1800°F (982°C). Above this temperature, grain growth may be objectionable, although very brief heating at 1900°F will cause complete softening without undue grain growth. Since the rate of cooling has no effect on the softening, the material may be water quenched or air cooled.

Workability

Hot Working/Forging

Low sulfur reducing furnace atmospheres should be used in forging. Major hot working should be done between 2300/1850°F, while light working may be continued as low as 1600°F. No hot working should be attempted between 1600/1200°F due to lower ductility in that range.

Machinability

Alloy 600 is machinable in both the hot worked and annealed conditions. Because considerable heat is generated in machining this alloy, high-speed steel, cast nonferrous or cemented carbide tools should be used. The tools should be kept sharp.
Lathe turning speeds with high-speed and nonferrous tools are 35/45 sfm (0.18/0.23 m/s); speeds with cemented carbide tools are 100/175 sfm (0.51/0.89 m/s). (This data should be used as a guide for initial machine setup only. The figures used are averages. On certain work, the nature of the part may require adjustment of speeds and feeds.)

Sulfur-based oil should be used as a lubricant, but should be completely removed before the machined part is exposed to elevated temperatures, as in welding.

Cold Working
For higher properties, alloy 600 can be cold worked below 1200°F (649°C).

Welding
Alloy 600 can be joined by the usual welding , brazing, and soldering process.

Typical Mechanical Properties

Typical Mechanical Properties
Various forms and conditions

Form 
and
Condition

Tensile Strength

0.2%
Yield Strength

% Elongation
in 2"

%
Reduction
of Area

Rockwell
Hardness

Rod and Bar
Cold-drawn
Annealed
As-drawn
Hot rolled
Annealed
As-rolled
Hot-finished
Strip
Annealed



80-100
105-150

80-100
85-120
80-120

80-100



552-689
724-1034

552-689
586-827
586-827

552-689



25-50
80-125

30-50
35-90
35-90

30-45



172-345
552-862

207-345
241-621
241-621

207-310



55-35
30-10

55-35
50-30
50-30

55-35



70-60
60-30

70-60
65-50
65-50

----



65-85B
90B-30C

65-85B
75-95B
75-95B

84B max.

Average Room Temperature Tensile Data

Form

Condition

Ultimate Tensile Strength,
Ksi (MPa)

Yield Strength at 0.2% offset,
Ksi (MPa)

Elongation in 2 in. (50.8mm)
or 4D, percent

Sheet
Plate
Bar/Billet
Sheet, Plate, Strip, Bar

Annealed
Annealed
Annealed
Annealed

98 (676)
95 (655)
95 (655)
80 (550)*

42 (290)
41 (283)
41 (283)
35 (240)*

40
45
45
30*

* - minimum

Typical Elevated Temperature Tensile Properties

Temperature

Tensile Strength

0.2%
Yield Strength

% Elongation
in 2"

°F

°C

ksi

MPa

ksi

MPa

600
800
1000
1200
1400
1600
1800

316
427
538
649
760
871
982

90.5
88.5
84.0
65.0
27.5
15.0
7.5

624
610
579
448
190
103
52

31.0
29.5
28.5
26.5
17.0
9.0
4.0

214
203
196
183
117
62
28

46
49
47
39
46
80
118

Stress Rupture Properties

Temperature

Stress to Produce Rupture in:

°F

°C

10 hours

100 hours

1000 hours

ksi

MPa

ksi

MPa

ksi

MPa

Cold Drawn, Annealed-3 Hours/1750°F (954°C)/Air Cooled

1000
1200
1400
1600
1800
2000

538
649
760
871
982
1093

74
34
13
7.5
4.4
2.1

510
234
90
52
30
14

50
23
8.4
4.8
2.8
2.4

345
159
58
33
19
17

34
14.5
5.6
3
1.8
--

234
100
39
21
12
--

Hot Rolled, Annealed-2 Hours/1650°F (899°C)

1350
1600
1800
2000

732
871
982
1093

20
8.1
4.4
2.1

138
56
30
14

13.5
5.3
2.8
1.4

93
37
19
10

9.2
--
1.8
--

63
--
12
--

Solution Annealed-20 Hours/2050°F (1121°C)/Air Cooled

1350
1500
1600
1800
2000

732
816
871
982
1093

19
11.5
8
4.4
2.1

131
79
55
30
14

14
8
5.3
2.8
1.4

97
55
37
19
10

9.8
5.6
--
1.8
--

68
39
--
12
--

Alloy 600

Description

Alloy 600 is a nonmagnetic, nickel-based high temperature alloy possessing an excellent combination of high strength, hot and cold workability, and resistance to ordinary form of corrosion.

This alloy also displays good heat resistance and freedom from aging or stress corrosion throughout the annealed to heavily cold worked condition range.

TYPICAL SPECIFICATION PACKAGES

UNS-N-06600

WERKSTOFF 2.4816

PLATE:AMS 5540, ASTM-B-168, ASME-SB-168, MIL-N-6840

SHEET:AMS 5540, ASTM-B-168, ASME-SB-168, MIL-N-6840

BAR:AMS 5665M CHEM ONLY, ASTM-B-166, ASME-SB-166

INCOLOY® 800

ASTM B 409, B 408, B 407, B 564
UNS Number N08810/N08811

Other common names: Alloy 800, Alloy 800H, Inconel® 800, Alloy 800HT

Incoloy 800 is primarily used in applications with temperatures up to 1100° F, where alloys 800H and 800HT are normally used in temperatures above 1100° F where resistance to creep and rupture is required. The chemical balance allows the nickel steel alloy to exhibit excellent resistance to carburization, oxidation and nitriding atmospheres. Incoloy 800HT will not become embrittled even after long periods of usage in the 1200-1600° F range where many stainless steels become brittle. Excellent cold forming characteristics typically associated with the nickel-chromium alloys are exhibited with 800HT. When cold formed extensively the grain size produces a visibly undulated surface called “orange peel”. Incoloy 800HT can be welded by the common techniques used on stainless steels.

Alloy 800 (UNS N08800) Chemical Composition, %

Ni Cr Fe C Al Ti Al+Ti
30.0-35.0 19.0-23.0 39.5 min .10 max .15-.60 .15-.60 .30-1.20

Alloy 800H (UNS N08810) Chemical Composition, %

Ni Cr Fe C Al Ti Al+Ti
30.0-35.0 19.0-23.0 39.5 min .05-.10 .15-.60 .15-.60 .30-1.20

Alloy 800HT (UNS N08811) Chemical Composition, %

Ni Cr Fe C Al Ti Al+Ti
30.0-35.0 19.0-23.0 39.5 min .06-.10 .25-.60 .25-.60 0.85-1.2

*Note that the chemical composition of Incoloy 800HT will always be within the limits of Incoloy 800H.

*Note the limits of Incoloy 800H may or may not be within the limits of Incoloy 800HT.

In what applications is Incoloy 800 used?

  • Ethylene furnace quench boilers
  • Hydrocarbon cracking
  • Valves, fittings and other components exposed to corrosive attack from 1100-1800° F
  • Industrial furnaces
  • Heat-treating equipment
  • Chemical and petrochemical processing
  • Super-heater and re-heaters in power plants
  • Pressure vessels
  • Heat exchangers

Alloys 800H/HT are used in a variety of applications involving exposure to corrosive environments and high temperatures such as heat treating equipment, chemical and petrochemical processing, nuclear power plants and the paper pulp industry. Heat-treating equipment such as baskets, trays, and fixtures employ Incoloy 800H/HT. Chemical and petrochemical processing industries use the alloys for heat exchangers and other piping systems in nitric acid media especially where resistance to chloride stress-corrosion cracking is required. Power plants use them for super-heater and re-heater tubing.

ASTM Specifications

Alloy Pipe Smls Pipe Welded Tube Smls Tube Welded Sheet/Plate Bar Forging Fitting
Alloy 800 (UNS N08800) B407 B154 B163 B515 B409 B408 B564 B366
Alloy 800H (UNS N08810) B407 B154 B163 B515 B409 B408 B564 B366
Alloy 800HT (UNS N08811) B407 B154 B163 B515 B409 B408 B564 B366

Incoloy Alloy 800/ 800H/ 800HT Mechanical Properties

Grade Tensile Strength (MPa) min Yield Strength 0.2% Proof (MPa) min Elongation (% in 50mm) min Hardness
Rockwell B (HR B) max Brinell (HB) max
800-H-HT Psi – 75,000 , MPa – 520 Psi – 30,000 , MPa –205 30

Equivalent Grades for Incoloy 800 / 800H / 800HT

STANDARD WERKSTOFF NR. UNS JIS BS GOST AFNOR EN OR
Incoloy 800 1.4876 N08800 NCF 800 NA 15 ЭИ670 Z8NC32-21 X10NiCrAlTi32-20 XH32T
Incoloy 800H 1.4958 / 1.4876 N08810 NCF 800H NA 15(H) ЭИ670 Z8NC33-21 X5NiCrAlTi31-20 XH32T
Incoloy 800HT 1.4859 / 1.4876 N08811 NCF 800HT NA 15(HT) ЭИ670 X8NiCrAlTi32-21 XH32T

Price Difference Between Inconel 600 and 800

Inconel 600 Price Origin Price in INR
(per kg)
Price in USD
(per kg)
Price in Euro
(per kg)
Inconel 600 Price in India Indian Rs 2000/- $30 €24
Inconel 600 Price in Japan Japanese Rs 2800/- $40 €35
Inconel 600 Price in UK / Europe European Rs 3100/- $45 €39
Inconel 600 Price in USA USA Rs 3400/- $50 €43
Incoloy 800 Price Origin Price in INR
(per kg)
Price in USD
(per kg)
Price in Euro
(per kg)
Incoloy 800 Price in India Indian Rs 1200/- $17 €14
Incoloy 800 Price in Japan Japanese Rs 1400/- $21 €18
Incoloy 800 Price in UK / Europe European Rs 1500/- $22 €19
Incoloy 800 Price in USA USA Rs 1600/- $24 €20

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