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Description

Russia ГОСТ 17X18H9 Austenitic and 17X18H9 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Heat-Resistant Steel: 17X18H9
Category Type Steel Grade Standard Country Application
Steel GradesHeat-Resistant Steel 17X18H9 ГОСТ Russia Austenitic
03X16H15M3Б
09X16H15M3Б
09X16H15M3Б
12X17P9AHl4
03X17H14M2
08X17H13M2T
10X17H13M2T
10X17H13M3T
08X17H15M3T
12X18H9

Chemical composition(mass fraction)(wt.%) of the 17X18H9

C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Ni(%) Mo(%) W(%) Ti(%)
0.13-0.21 Max 0.80 Max 2.00 Max 0.035 Max 0.02 17.0-19.0 8.00-10.0 Max 0.30 Max 0.20 Max 0.50

Mechanical Properties of steel grade 17X18H9

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)
528 (≥) 641 (≥) 24 43 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 331

Physical Properties of steel grade 17X18H9

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
31 - -     0.12 -  
314 229 - 24.3 244   -  
238 - 14 14.2   141 242

Heat Treatment of steel grade 17X18H9

Heat treated : 1869°C - 1316°C

Technological Curves of steel grade 17X18H9

Cross Reference Table (Equivalent Grade) of 17X18H9

Grade Standard Country Application
17X18H9 ГОСТ Russia Austenitic

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