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DZ22B

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DZ22 DZ38G
#DZ22B

Description

China GBT DZ22B Progress in Directionally Solidified Super Alloys and DZ22B Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Alloy: DZ22B
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Alloy DZ22B GBT China Progress in Directionally Solidified Super Alloys
DZ422
DZ438G
DZ4002
DZ4125
DZ4125L
DZ640M
DZ4
DZ5
DZ17G
DZ22

Chemical composition(mass fraction)(wt.%) of the DZ22B

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) W(%) Cu(%) Co(%) Pb(%) B(%) Nb(%) Al(%) Ti(%) Fe(%)
0.12-0.14 0.120 0.120 0.0150 0.010 8.00-10.00 Bal 11.50-12-50 0.100 9.00-11.00 0.0005 0.010-0.020 0.75-1.25 4.75-5.25 1.75-2.25 ≤0.25

Mechanical Properties of steel grade DZ22B

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)
753 (≥) 388 (≥) 33 32 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 412

Physical Properties of steel grade DZ22B

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 - -     0.43 -  
147 573 - 14.3 343   -  
145 - 44 34.2   431 141

Heat Treatment of steel grade DZ22B

Heat treated : 1947°C - 1774°C

Technological Curves of steel grade DZ22B

Cross Reference Table (Equivalent Grade) of DZ22B

Grade Standard Country Application
DZ22B GBT China Progress in Directionally Solidified Super Alloys
DZ22 DZ38G
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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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