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GS-25CrMo4

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GS-20MnCr5 1.7218
#GS-25CrMo4

Description

Germany DIN GS-25CrMo4 and GS-25CrMo4 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Alloy: GS-25CrMo4
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Alloy GS-25CrMo4 DIN Germany
GS-18NiCrMo12 6
1.6781
GS-19NiCrMo12 6
1.6783
GS-12MnCrNiMo5 3
1.6916
1.7131
GS-16MnCr5
1.7147
GS-20MnCr5

Chemical composition(mass fraction)(wt.%) of the GS-25CrMo4

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Mo(％)
0.22-0.29 0.30-0.50 0.50-0.80 Max 0.035 Max 0.035 0.90-1.20 0.15-0.30

Mechanical Properties of steel grade GS-25CrMo4

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)
661 (≥) 411 (≥) 43 44 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 224

Physical Properties of steel grade GS-25CrMo4

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
21 - -     0.14 -  
552 796 - 42.3 143   -  
145 - 42 21.2   332 311

Heat Treatment of steel grade GS-25CrMo4

Heat treated : 1847°C - 1612°C

Technological Curves of steel grade GS-25CrMo4

Cross Reference Table (Equivalent Grade) of GS-25CrMo4

Grade Standard Country Application
GS-25CrMo4 DIN Germany
GS-20MnCr5 1.7218
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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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