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17X18H9

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12X18H9 12X18H9T
#17X18H9

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
12X18H9 12X18H9T
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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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