Inconel 600

Inconel 600 is a nickel-chromium alloy used for applications that require corrosion and high temperature resistance. This nickel alloy was designed for service temperatures from cryogenic to elevated temperatures in the range of 2000° F. It is non-magnetic, has excellent mechanical properties, and presents the desirable combination of high strength and good weldability under a wide range of temperatures.

Characteristics of Inconel 600

  • Resistant to a wide range of corrosive media.
  • Virtually immune to chlorine ion stress corrosion cracking
  • Non-magnetic
  • Excellent mechanical properties
  • High strength and good weldability under a wide range of      temperatures

Chemical Composition, %

Ni + Co Cr Fe C Mn S Si Cu
72.0 min 14.0-17.0 6.0-10.0 .15 max 1.00 max .015 max .50 max .50 max

 

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 601

Inconel 601 is a nickel-chromium alloy used for applications that require resistance to corrosion and heat. This nickel alloy stands out due to its resistance to high temperature oxidation, remaining highly resistant to oxidation through 2200° F. Alloy 601 develops a tightly adherent oxide scale which resists spalling even under conditions of severe thermal cycling.

Characteristics of Inconel 601

  • Outstanding oxidation resistance to 2200° F
  • Resists spalling even under severe thermal cycling conditions
  • Highly resistant to carburization
  • Good creep rupture strength
  • Metallurgical stability

Chemical Composition, %

Ni Cr Al C Mn Si Fe
61.5
22.5
1.4
.05
.3
.2
14

 

Mechanical Properties
Typical room temperature Properties

Tensile (psi) .2% Yield (psi) Elongation (%)
80,000 30,000 35

 

 

Inconel 625

Inconel 625 is a corrosion and oxidation resistant nickel alloy that is used both for its high strength and outstanding aqueous corrosion resistance. Its outstanding strength and toughness is due to the addition of niobium which acts with the molybdenum to stiffen the alloy’s matrix. Alloy 625 has excellent fatigue strength and stress-corrosion cracking resistance to chloride ions.

Characteristics of Inconel 625?

  • High creep-rupture strength
  • Oxidation resistant to 1800° F
  • Seawater pitting and crevice corrosion resistant
  • Immune to chloride ion stress corrosion cracking
  • Non-magnetic

Chemical Composition, %

Cr Ni Mo Co + Nb Ta Al Ti C
20.00-30.00 Remainder 8.0-10.0 1.0 max 3.15-4.15 .40 max .40 max .10 max
Fe Mn Si P S      
5.0 max .50 max .50 max .015 max .015 max      

 

Mechanical Properties
Representative Tensile Properties, bar, 1800° F anneal

Temp° F Tensile (psi) .2% Yield (psi) Elongation in 2 “ (%)
70
144,000
84,000
44
400
134,000
66,000
45
600
132,000
63,000
42.5
800
131,500
61,000
45
1000
130,000
60,500
48
1200
119,000
60,000
34
1400
78,000
58,500
59
1600
40,000
39,000
117

 

 

Inconel 718

Inconel 718 is a nickel-chromium-molybdenum alloy designed to resist a wide range of severely corrosive environments, pitting and crevice corrosion. This nickel steel alloy also displays exceptionally high yield, tensile, and creep-rupture properties at high temperatures.This nickel alloy is used from cryogenic temperatures up to long term service at 1200° F.

Characteristics of Inconel 718

  • Good mechanical properties – tensile, fatigue and creep-rupture
  • Yield tensile strength, creep, and rupture strength properties are      exceedingly high
  • Highly resistant to chloride and sulfide stress corrosion cracking
  • Resistant to aqueous corrosion and chloride ion stress corrosion       cracking
  • High temperature resistant
  • Age-hardenable with a unique property of slow aging response that      permits heating and cooling during annealing without the danger of      cracking.
  • Excellent welding characteristics, resistant to postweld age cracking

Chemical Composition, %

Ni Fe Cr Cu Mo Nb C Mn
50.00-55.00 Remainder 17.00-21.00 .30 max 2.80-3.30 4.75-5.50 .08 max .35 max
P S Si Ti Al Co B
.015 max .015 max .35 max .65-1.15 .20-.80 1.00 max .006 max

 

Mechanical Properties
Typical room temperature properties, 1800°F annealed condition

Ultimate Tensile Strength, psi .2% Yield Strength psi Elongation % Hardness Rockwell B
135,000
70,000
45
100

 

 

Inconel X-750

Alloy X-750 is a precipitation-hardenable alloy which has been used in applications such as high temperature structural members for gas turbines, jet engine parts, nuclear power plant applications, heat-treating fixtures, forming tools, and extrusion dies. The alloy is highly resistant to chemical corrosion and oxidation and has high stress-rupture strength and low creep rates under high stresses at temperatures up to 1500°F (816°C) after suitable heat treatment.

Physical Properties

Density
lb/cu in...................................... 0.300
kg/cu m...................................... 8303
Melting Range
°F........................................ 2540/2600
°C.........................................1393/1427

Thermal Conductivity

Temperature Btu-in/ft²-hr-°F W/m-K
°F °C
300
600
1000
1200
1400
1600
149
316
538
649
760
871
117
142
184
199
218
245
16.9
20.5
26.5
28.7
31.4
35.3

 

 

Inconel 800HT

Incoloy 800 is a combination of nickel and chromium alloy that has excellent tensile strength and resistance to oxidation as well as carburzation properties. This alloy is extremely functional as it maintains a stable structure, even when exposed to high temperature. The Inconel is extremely resistant to corrosion, even in acidic environment.

Chemical Composition

Common Names: Incoloy 800H®, Ferrochronin® 800, Nickelvac® 800, Nicrofer® 3220

C MN P S Si Cr Ni Mo Cu Co Cb+Ta Ti Al Fe Al + Ti Grain
.10 max         19.0 -23.0 30.0 -35.0         0.15 -0.60 0.15 -0.60 39.5 min 0.30 1.20  

 

Specifications

Inconel 800 Sheet / Plate Inconel 800 Round Bar Inconel 800 Pipe Inconel 800 Tube Inconel 800 Fittings Inconel 800 Forgings
ASME SB-409 AMS 5877 ASME SB-408 AMS 5766 ASME SB-407 ASME SB-829 ASME SB-514 ASME SB-775 ASME SB-407 ASME SB-829 ASME SB-515 ASME SB-751 ASME SB-366 ASME SB-564 AMS 5766

 

 

Inconel 825

Incoloy 825 is a nickel-iron- chromium alloy with titanium, copper, and molybdenum. Incoloy® 825's chemical composition provides great resistance to many corrosive environments, such as pitting, crevice corrosion, intergranular corrosion, and stress- corrosion cracking. Incoloy 825 has good mechanical properties from moderately to high temperatures. The hot - working range for Incoloy 825 is 1600 to 2150° F. The material has good weldability by all conventional processes.

Chemical Composition

Common Names : Incoloy 825, Nickelvac 825, Nicrofer 4221

C MN P S Si Cr Ni Mo Cu Co Cb+Ta Ti Al Fe Other Other
.05 max 1.0 max   .03 max .5 max 19.5 – 23.5 38.0 – 46.0 2.5 – 3.5 1.5 – 3.0     0.6 1.2 0.2 max 22.0 min    

 

Specifications

Inconel 825 Sheet / Plate Inconel 825 Round Bar Inconel 825 Pipe Inconel 825 Tube Inconel 825 Fittings Inconel 825 Forgings
ASME SB-424 ASME SB-425 ASME SB-423 ASME SB-829 ASME SB-705 ASME SB-775 ASME SB-163 ASME SB-704 ASME SB-751 ASME SB-366 ASME SB-564