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G-X 8 CrNi 19 9

Description

Finland SFS G-X 8 CrNi 19 9 SFS 387 Cast steel 387. GX-8 CrNi 19 9 and G-X 8 CrNi 19 9 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Steel: G-X 8 CrNi 19 9
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Steel G-X 8 CrNi 19 9 SFS Finland SFS 387 Cast steel 387. GX-8 CrNi 19 9
EN X12M5
EN X15CrMo5-1
EN X18CrMoNbVNi1-1
EN X22CrMoV12-1
501
MARAGING (C) 300
18Ni Maraging Steel
Maraging 350
G-X 12 Cr 13
G-X 6 CrNi 13 4

Chemical composition(mass fraction)(wt.%) of the G-X 8 CrNi 19 9

C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Ni(%)
0.08 2.00 1.50 0.04 0.04 18.0-21.0 8.00-11.0

Mechanical Properties of steel grade G-X 8 CrNi 19 9

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)
342 (≥) 388 (≥) 22 41 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 233

Physical Properties of steel grade G-X 8 CrNi 19 9

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
22 - -     0.43 -  
629 671 - 14.3 343   -  
162 - 11 13.2   431 331

Heat Treatment of steel grade G-X 8 CrNi 19 9

Heat treated : 1873°C - 1443°C

Technological Curves of steel grade G-X 8 CrNi 19 9

Cross Reference Table (Equivalent Grade) of G-X 8 CrNi 19 9

Grade Standard Country Application
G-X 8 CrNi 19 9 SFS Finland SFS 387 Cast steel 387. GX-8 CrNi 19 9

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