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Description

China GBT 9Cr18MoV Martensitic Steel and 9Cr18MoV Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Steel: 9Cr18MoV
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Steel 9Cr18MoV GBT China Martensitic Steel
Y3Cr13
3Cr13Mo
4Cr13
1Cr17Ni2
7Cr17
8Cr17
9Cr18
11Cr17
Y11Cr17
9Cr18Mo

Chemical composition(mass fraction)(wt.%) of the 9Cr18MoV

C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Ni(%) Mo(%) Other(%)
0.85-0.95 Max 0.80 Max 0.80 0.035 Max 0.03 17.00-19.00 Max 0.60 1.00-1.30 V 0.07-0.12

Mechanical Properties of steel grade 9Cr18MoV

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)
873 (≥) 891 (≥) 41 41 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 131

Physical Properties of steel grade 9Cr18MoV

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
33 - -     0.14 -  
724 929 - 21.3 423   -  
486 - 34 11.2   124 343

Heat Treatment of steel grade 9Cr18MoV

Heat treated : 1915°C - 1939°C

Technological Curves of steel grade 9Cr18MoV

Cross Reference Table (Equivalent Grade) of 9Cr18MoV

Grade Standard Country Application
9Cr18MoV GBT China Martensitic Steel

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