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S44020

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440F 440FSe
#S44020

Description

S44020 Stainless Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Stainless Steel: S44020
Category Type Steel Grade Standard Country Application
Steel GradesStainless Steel S44020
S43035
431
S43100
440A
S44002
440B
S44003
440C
S44004
440F

Chemical composition(mass fraction)(wt.%) of the S44020

 



C
≤		 Si
≤		 Mn
≤		 P
≤		 S
≤		 Cr Ni
0.95-1.20 1.00 1.25 0.060 ≥0.15 16.0-18.0  
Mo Al Cu Nb Ti V Ce
             
N Co Pb B Other    
             
             

Mechanical Properties of steel grade S44020

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)
829 (≥) 927 (≥) 31 32 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 212

Physical Properties of steel grade S44020

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
33 - -     0.34 -  
955 418 - 23.3 123   -  
645 - 41 32.2   322 343

Heat Treatment of steel grade S44020

Heat treated : 1866°C - 1585°C

Technological Curves of steel grade S44020

Cross Reference Table (Equivalent Grade) of S44020

Grade Standard Country Application
UNS S44020 UNS USA Martensitic special steel
S44020 UNS USA Martensitic special steel
S44020 UNS USA Martensitic special steel
440F 440FSe
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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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