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Description

China GBT 11Cr17 Martensitic Steel and 11Cr17 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Steel: 11Cr17
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Steel 11Cr17 GBT China Martensitic Steel
1Cr13Mo
2Cr13
3Cr13
Y3Cr13
3Cr13Mo
4Cr13
1Cr17Ni2
7Cr17
8Cr17
9Cr18

Chemical composition(mass fraction)(wt.%) of the 11Cr17

C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Ni(%) Mo(%)
0.95-1.20 Max 1.00 Max 1.00 0.035 Max 0.03 16.00-18.00 Max 0.60 Max 0.75

Mechanical Properties of steel grade 11Cr17

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)
365 (≥) 426 (≥) 31 11 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 113

Physical Properties of steel grade 11Cr17

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
32 - -     0.31 -  
246 346 - 21.3 243   -  
674 - 41 32.2   131 422

Heat Treatment of steel grade 11Cr17

Heat treated : 1375°C - 1578°C

Technological Curves of steel grade 11Cr17

Cross Reference Table (Equivalent Grade) of 11Cr17

Grade Standard Country Application
11Cr17 GBT China Martensitic Steel
Y11Cr17 GBT China Martensitic Steel

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