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G20Cr2Ni4

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G20CrNi2Mo G10CrNi3Mo
#G20Cr2Ni4

Description

China GBT G20Cr2Ni4 China structural steel and alloy steel and G20Cr2Ni4 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: G20Cr2Ni4
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel G20Cr2Ni4 GBT China China structural steel and alloy steel
60CrMnBA
30W4Cr2VA
GCr4
GCr15
GCr15SiMn
GCr15SiMo
GCr18Mo
G20CrMo
G20CrNiMo
G20CrNi2Mo

Chemical composition(mass fraction)(wt.%) of the G20Cr2Ni4

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Mo(％) Cu(%)
0.17-0.23 0.15-0.40 0.30-0.60 0.03 0.03 1.25-1.75 3.25-3.75 — Max 0.25

Mechanical Properties of steel grade G20Cr2Ni4

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)
821 (≥) 275 (≥) 23 41 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 113

Physical Properties of steel grade G20Cr2Ni4

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 - -     0.24 -  
118 428 - 43.3 331   -  
776 - 44 42.2   243 221

Heat Treatment of steel grade G20Cr2Ni4

Heat treated : 1152°C - 1372°C

Technological Curves of steel grade G20Cr2Ni4

Cross Reference Table (Equivalent Grade) of G20Cr2Ni4

Grade Standard Country Application
G20Cr2Ni4 GBT China China structural steel and alloy steel
G20CrNi2Mo G10CrNi3Mo
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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