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440F

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S42023 S44020
#440F

Description

440F High Alloy and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:High Alloy: 440F
Category Type Steel Grade Standard Country Application
Steel GradesHigh Alloy 440F
416
S41600
XM-6
S41610
416Se
S41623
420F
S42020
420Se
S42023

Chemical composition(mass fraction)(wt.%) of the 440F

 

 

C
≤		 Si
≤		 Mn
≤		 P
≤		 S
≤		 Cr Ni
0.95-1.2 1 1.25 0.06 0.15 16-18 0.5
Mo Al Cu Nb Ti V Se
    ≤0.6        
N Co Pb B Other    
             
             

Mechanical Properties of steel grade 440F

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)
736 (≥) 753 (≥) 13 13 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 143

Physical Properties of steel grade 440F

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
34 - -     0.22 -  
171 171 - 34.3 132   -  
597 - 24 14.2   241 334

Heat Treatment of steel grade 440F

Heat treated : 1731°C - 1239°C

Technological Curves of steel grade 440F

Cross Reference Table (Equivalent Grade) of 440F

Grade Standard Country Application
AISI 440F AISI USA Martensitic special steel
AISI 440F Se AISI USA Martensitic special steel
Type440F UNS USA Martensitic special steel
Type440F UNS USA Martensitic special steel
SUS440F JIS Japan Martensitic special steel
STS440F martensitic steel
STS440F martensitic steel
CNS 440F China CNS standard martensite stainless steel
CNS 440F China China Taiwan Stainless steel
S42023 S44020
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Jiangyou Longhai Special Steel Co.,Ltd.

Our main peoducts of steel are many kinds of special steel, like tool steel, mould steel, alloy steel, alloy constructural steel, heat-resistant steel, high speed tool steel,spring steel and bearing steel , stainless steel and so on, which have formed 12 series and more than 350 varieties with n...

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