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DD408

Favorite Datasheet
DC406 HGH1035
#DZ422

Description

China GBT DD408 Single-CrystalSuperalloy and DD408 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Alloy: DD408
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Alloy DD408 GBT China Single-CrystalSuperalloy
DZ22B
DZ38G
DZ002
DZ125
DZ125L
DZ40M
DD402
DD103
DD404
DC406

Chemical composition(mass fraction)(wt.%) of the DD408

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) W(%) N(%) Cu(%) Co(%) Pb(%) B(%) Al(%) Ti(%) Ta(%) Mg(%) As(%) Sn(%) O(%) Fe(%)
≤0.03 0.150 0.150 0.010 0.010 15.50-16.50 Bal 5.60-6.40 0.0012 0.100 8.00-9.00 0.0010 0.005 3.60-4.20 3.60-4.20 0.70-1.20 0.003 0.0050 0.0020 0.0010 ≤0.50

Mechanical Properties of steel grade DD408

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)
678 (≥) 341 (≥) 12 24 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 213

Physical Properties of steel grade DD408

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
43 - -     0.11 -  
154 489 - 34.3 343   -  
433 - 43 31.2   221 132

Heat Treatment of steel grade DD408

Heat treated : 1621°C - 1687°C

Technological Curves of steel grade DD408

Cross Reference Table (Equivalent Grade) of DD408

Grade Standard Country Application
DZ422 GBT China Progress in Directionally Solidified Super Alloys
DZ422 GBT China Progress in Directionally Solidified Super Alloys
DC406 GBT China Single-CrystalSuperalloy
DD408 GBT China Single-CrystalSuperalloy
DC406 HGH1035
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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...

Rfq.: sales@longhaisteel.com
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