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	% Elongation in 2"
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
°F	°C	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