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1.7218

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GS-25CrMo4 GS-34CrMo4
#1.7218

Description

1.7218 Mould Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Mould Steel: 1.7218
Category Type Steel Grade Standard Country Application
Steel GradesMould Steel 1.7218
1.7132
G47CrMn6
1.7140
G20MnNi5
1.7150
GS-20MnNi5
1.7150
G25CrMo4
1.7218
GS-25CrMo4

Chemical composition(mass fraction)(wt.%) of the 1.7218

C
≤		 Si
≤		 Mn
≤		 P
≤		 S
≤		 Cr Ni
 0.22-0.29 0.60   0.50-0.80  0.020 0.015  0.80-1.20   
Mo Al Cu Nb Ti V Ce
 0.20-0.30            
N Co Pb B Other    
             
             

Mechanical Properties of steel grade 1.7218

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)
947 (≥) 456 (≥) 14 13 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 421

Physical Properties of steel grade 1.7218

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
23 - -     0.14 -  
184 841 - 11.3 441   -  
569 - 44 14.2   233 234

Heat Treatment of steel grade 1.7218

Heat treated : 1446°C - 1179°C

Technological Curves of steel grade 1.7218

Cross Reference Table (Equivalent Grade) of 1.7218

Grade Standard Country Application
1.7218 DIN Germany
1.7218 DIN Germany
GS-25CrMo4 GS-34CrMo4
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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