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GX2CrNiMo28-20-2

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1.4469 1.4458
#GX2CrNiMo28-20-2

Description

GX2CrNiMo28-20-2 Mould Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Mould Steel: GX2CrNiMo28-20-2
Category Type Steel Grade Standard Country Application
Steel GradesMould Steel GX2CrNiMo28-20-2
GX2CrNi19-11
1.4309
GX2CrNiMo19-11-2
1.4409
GX2CrNiMoCuN25-6-3-3
1.4517
GX2CrNiMoN22-5-3
1.4470
GX2CrNiMoN26-7-4
1.4469

Chemical composition(mass fraction)(wt.%) of the GX2CrNiMo28-20-2

C
≤		 Si
≤		 Mn
≤		 P
≤		 S
≤		 Cr Ni
0.030  1.00  2.00  0.035  0.025 

 19.0-22.0

 26.0-30.0
Mo Al Cu Nb Ti V Ce
2.00-2.50    ≤2.00        
N Co Pb B Other    
≤0.20            
             

  

Mechanical Properties of steel grade GX2CrNiMo28-20-2

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)
667 (≥) 755 (≥) 42 11 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 432

Physical Properties of steel grade GX2CrNiMo28-20-2

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
32 - -     0.24 -  
192 167 - 44.3 243   -  
139 - 43 34.2   234 422

Heat Treatment of steel grade GX2CrNiMo28-20-2

Heat treated : 1999°C - 1416°C

Technological Curves of steel grade GX2CrNiMo28-20-2

1.4469 1.4458
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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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