INCOLOY alloy 840 INCOLOY alloy 840 Datasheet
Category Type Steel Grade Standard Country Application
Steel GradesHigh Alloy INCOLOY alloy 840
INCOLOY alloy 800
INCOLOY alloy 800H
INCOLOY alloy 800HT
INCOLOY alloy 801
INCOLOY alloy 802
INCOLOY alloy 804
INCOLOY alloy 805
INCOLOY alloy 810
INCOLOY alloy 825
INCOLOY alloy 832
Datasheet for:Steel Grades:High Alloy:INCOLOY alloy 840

Chemical composition(mass fraction)(wt.%) of the INCOLOY alloy 840

C
Si
Mn
P
S
Cr Ni
0.08 1 1     20 20
Mo Al Cu Nb Ti V Ce
             
N Co Pb B Other    
        Fe...    
             

Mechanical properties / Mechanische Eigenschaften / Caracteristiques mecaniques of grade INCOLOY alloy 840

Yield
Rp0.2 (MPa)
Tensile
Rm (MPa)
Impact
KV/Ku (J)
Elongation
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition Brinell hardness (HBW)
166 (≥) 485 (≥) 31 22 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 313
Temperature
(°C)
Modulus of elasticity
(GPa)
Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and Thermal conductivity
(W/m·°C)
Specific thermal capacity
(J/kg·°C)
Specific electrical resistivity
(Ω mm²/m)
Density
(kg/dm³)
Poisson’s coefficient, ν
13 - -     0.41 -  
442 483 - 12.3 214   -  
521 - 41 13.2   222 344
Heat treated : 1966°C - 1867°C
Directory is being updated.
The material does not have direct Metallography properties.
Directory is being updated.
The material does not have direct Metallography properties.
Directory is being updated.
Cross Reference Table(Equivalent Grade)
Grade Standard Country Application
Incoloy 800
Equipment used in the manufacture of resistance to stress corrosion cracking
FERRALIUM alloy 255
FERRALIUM alloy 255
S32550
Duplex (Austenitic-Ferritic) Chromium Nickel Molybdenum Copper Nitrogen Stainless Steel
Alloy 713C
HIGH-TEMPERATURE HIGH-STRENGTH NICKEL BASE ALLOYS,CAST ALLOYS
2.4605
The chemically stable and high-temperature resistant nickel and cobalt alloy 2.4605 (alloy 59) is mainly used in the chemical industry, flue gas desulphurating plants, paper industry.
Alloy 59
The chemically stable and high-temperature resistant nickel and cobalt alloy 2.4605 (alloy 59) is mainly used in the chemical industry, flue gas desulphurating plants, paper industry.
NiCr23Mo16Al
The chemically stable and high-temperature resistant nickel and cobalt alloy 2.4605 (alloy 59) is mainly used in the chemical industry, flue gas desulphurating plants, paper industry.
ALLOY 301
An age-hardened alloy that combines the excellent corrosion resistance characteristics of Nickel 200 with the added advantages of greater strength and hardness.
A 493 S38400
Stainless Steel Wire and Wire Rods for Cold Heading and Cold Forging
A 959 S38400
Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels
F 837 Class A1-50 S38400
Standard Specification for Stainless Steel Socket Head Cap Screws (Metric)
F 837 Class A1-55 S38400
Standard Specification for Stainless Steel Socket Head Cap Screws (Metric)
F 837 Class A1-70 S38400
Standard Specification for Stainless Steel Socket Head Cap Screws (Metric)
F738 Class A1-50 S38400
Standard Specification for Stainless Steel Metric Bolts, Screws, and Studs
F738 Class A1-70 S38400
Standard Specification for Stainless Steel Metric Bolts, Screws, and Studs
F738 Class A1-80 S38400
Standard Specification for Stainless Steel Metric Bolts, Screws, and Studs
F836 Class A1-50 S38400
Standard Specification for Style 1 Stainless Steel Metric Nuts (Metric)
F836 Class A1-70 S38400
Standard Specification for Style 1 Stainless Steel Metric Nuts (Metric)
06Cr25Ni20
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