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1.4438

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1.4435 1.4406
#1.4438

Description

1.4438 Alloy Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Alloy Steel: 1.4438
Category Type Steel Grade Standard Country Application
Steel GradesAlloy Steel 1.4438
1.4539
1.4529
1.4162
1.4521
1.4003
1.4307
1.4565
1.4404
1.4432
1.4435

Chemical composition(mass fraction)(wt.%) of the 1.4438

 

 

 

C  Si 
≤		 Mn 
≤		  P
≤		  S
≤		 Cr   Ni  Mo  Other
 ≤0.030  1.00  2.00  0.045  0.015 17.5-19.5  13.0-16.0 3.00-4.00  N ≤ 0.11

Mechanical Properties of steel grade 1.4438

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)
857 (≥) 829 (≥) 42 11 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 244

Physical Properties of steel grade 1.4438

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
44 - -     0.32 -  
683 842 - 24.3 433   -  
795 - 33 41.2   414 123

Heat Treatment of steel grade 1.4438

Heat treated : 1328°C - 1852°C

Technological Curves of steel grade 1.4438

Cross Reference Table (Equivalent Grade) of 1.4438

Grade Standard Country Application
1.4438 austenitic special steel
1.4438(AFNOR) AFNOR France Austenite
1.4435 1.4406
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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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