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(G)9Cr18

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G20Cr2Mn2Mo (G)9Cr18Mo
#(G)9Cr18

Description

China GBT (G)9Cr18 China structural steel and alloy steel and (G)9Cr18 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: (G)9Cr18
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel (G)9Cr18 GBT China China structural steel and alloy steel
GCr15
GCr15SiMn
GCr15SiMo
GCr18Mo
G20CrMo
G20CrNiMo
G20CrNi2Mo
G20Cr2Ni4
G10CrNi3Mo
G20Cr2Mn2Mo

Chemical composition(mass fraction)(wt.%) of the (G)9Cr18

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Mo(％) Cu(%)
0.90-1.00 Max 0.80 Max 0.80 0.035 0.03 17.0-19.0 Max 0.30 — Max 0.25

Mechanical Properties of steel grade (G)9Cr18

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)
992 (≥) 359 (≥) 13 23 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 121

Physical Properties of steel grade (G)9Cr18

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 - -     0.42 -  
946 817 - 41.3 341   -  
486 - 22 32.2   214 122

Heat Treatment of steel grade (G)9Cr18

Heat treated : 1144°C - 1858°C

Technological Curves of steel grade (G)9Cr18

Cross Reference Table (Equivalent Grade) of (G)9Cr18

Grade Standard Country Application
(G)9Cr18 GBT China China structural steel and alloy steel
(G)9Cr18Mo GBT China China structural steel and alloy steel
G20Cr2Mn2Mo (G)9Cr18Mo
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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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