9Cr18

This page provides 9Cr18 datasheet, 9Cr18 mechanical properties, chemical element 9Cr18, technical specifications of 9Cr18 steel material properties. 9Cr18 performance specifications.

GBT 9Cr18
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Steel 9Cr18 GBT China Martensitic Steel
Y1Cr13
1Cr13Mo
2Cr13
3Cr13
Y3Cr13
3Cr13Mo
4Cr13
1Cr17Ni2
7Cr17
8Cr17
Datasheet for:Steel Grades:Special Steel:9Cr18

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

C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Ni(%) Mo(%)
0.90-1.00 Max 0.80 Max 0.80 0.035 Max 0.03 17.00-19.00 Max 0.60 Max 0.75

Mechanical properties / Mechanische Eigenschaften / Caracteristiques mecaniques of grade 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)
578 (≥) 649 (≥) 12 33 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 121
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 - -     0.11 -  
733 495 - 22.3 231   -  
451 - 23 14.2   421 124
Heat treated : 1619°C - 1529°C
Directory is being updated.
The material does not have direct Metallography properties.
Directory is being updated.
The material does not have direct Metallography properties.
Directory is being updated.
Cross Reference Table(Equivalent Grade)
Grade Standard Country Application
(G)9Cr18 GBT China
China structural steel and alloy steel
(G)9Cr18Mo GBT China
China structural steel and alloy steel
9Cr18 GBT China
Martensitic Steel
9Cr18Mo GBT China
Martensitic Steel
9Cr18MoV GBT China
Martensitic Steel
9Cr18

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9Cr18 can be supplied as steel plate/ sheet, round steel bar, steel tube/pipe, steel stripe, steel billet, steel ingot, steel wire rods. electroslag, forged ring/ block,etc.
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