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1.4439

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1.4438 1.4460
#1.4439

Description

1.4439 Stainless Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Stainless Steel: 1.4439
Category Type Steel Grade Standard Country Application
Steel GradesStainless Steel 1.4439
1.4361
1.4362
1.4401
1.4404
1.4406
1.4418
1.4429
1.4435
1.4436
1.4438

Chemical composition(mass fraction)(wt.%) of the 1.4439

 

 

C  Si 
≤		 Mn 
≤		  P
≤		  S
≤		 Cr   Ni  Mo  Other
 ≤0.030  1.00  2.00 0.045  0.015   16.5-18.5  12.5-14.5  4.00-5.00  N   0.12-0.22

Mechanical Properties of steel grade 1.4439

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)
187 (≥) 853 (≥) 13 34 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 142

Physical Properties of steel grade 1.4439

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
23 - -     0.22 -  
252 666 - 42.3 431   -  
525 - 23 43.2   421 423

Heat Treatment of steel grade 1.4439

Heat treated : 1531°C - 1345°C

Technological Curves of steel grade 1.4439

Cross Reference Table (Equivalent Grade) of 1.4439

Grade Standard Country Application
1.4439 austenitic special steel
1.4439(AFNOR) AFNOR France Austenite
1.4438 1.4460
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Jiangyou Longhai Special Steel Co.,Ltd.
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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