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DZ438G

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DZ422 DZ4002
#DZ438G

Description

China GBT DZ438G Progress in Directionally Solidified Super Alloys and DZ438G Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Alloy: DZ438G
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Alloy DZ438G GBT China Progress in Directionally Solidified Super Alloys
K612
K40
K40M
K188
K25
DZ404
DZ405
DZ417G
DZ422
DZ422

Chemical composition(mass fraction)(wt.%) of the DZ438G

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Mo(％) W(%) Co(%) Pb(%) B(%) Nb(%) Al(%) Ti(%) Ta(%) Sb(%) Sn(%) Fe(%)
0.08-0.14 0.150 0.150 0.0005 0.015 15.50-16.40 Bal 1.50-2.00 2.40-2.80 8.00-9.00 0.0010 0.005-0.015 0.40-1.00 3.50-4.30 3.50-4.30 1.50-2.00 0.001 0.002 ≤0.30

Mechanical Properties of steel grade DZ438G

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)
638 (≥) 128 (≥) 33 41 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 433

Physical Properties of steel grade DZ438G

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 - -     0.41 -  
597 259 - 11.3 442   -  
859 - 11 24.2   334 222

Heat Treatment of steel grade DZ438G

Heat treated : 1953°C - 1344°C

Technological Curves of steel grade DZ438G

Cross Reference Table (Equivalent Grade) of DZ438G

Grade Standard Country Application
DZ438G GBT China Progress in Directionally Solidified Super Alloys
DZ422 DZ4002
Available Suppliers
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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