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OTA10NbMoNiCrl70

Description

Romania STAS/SR OTA10NbMoNiCrl70 Cast Steel and OTA10NbMoNiCrl70 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Steel: OTA10NbMoNiCrl70
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Steel OTA10NbMoNiCrl70 STAS/SR Romania Cast Steel
T75Cr280
T6CuMoNiCr200
T6MoNiCrl80
T6NiCrl80
T10MoNiCrl80
T10NiCrl80
T15Crl70
T150280
T15MoNiCrl80
T15NiCrl80

Chemical composition(mass fraction)(wt.%) of the OTA10NbMoNiCrl70

C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Ni(%) Mo(%) Cu(%) Other(%)
0.10 ≤1.00 2.00 0.035 0.03 16.0--18.0 10.0-13.0 2.00-2.50 0.30 Nb≥8XC

Mechanical Properties of steel grade OTA10NbMoNiCrl70

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)
326 (≥) 475 (≥) 41 42 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 224

Physical Properties of steel grade OTA10NbMoNiCrl70

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
41 - -     0.12 -  
986 781 - 13.3 232   -  
765 - 23 23.2   123 132

Heat Treatment of steel grade OTA10NbMoNiCrl70

Heat treated : 1277°C - 1975°C

Technological Curves of steel grade OTA10NbMoNiCrl70

Cross Reference Table (Equivalent Grade) of OTA10NbMoNiCrl70

Grade Standard Country Application
OTA10NbMoNiCrl70 STAS/SR Romania Cast Steel

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