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Description

Romania STAS/SR 15Cr09 Alloy structural steel and 15Cr09 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: 15Cr09
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel 15Cr09 STAS/SR Romania Alloy structural steel
RCB52q
20BMn13z
21Mn14z
OLC20z
OLC37
20Mn10
35Mn16
40Mn10
65Mn10
OLC66S

Chemical composition(mass fraction)(wt.%) of the 15Cr09

C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Ni(%) Mo(%) Cu(%) Ti(%)
0.12-0.18 0.17-0.37 0.40-0.70 0.035 0.035 0.70-1.00 0.3 0.15 0.3 0.02

Mechanical Properties of steel grade 15Cr09

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)
971 (≥) 299 (≥) 32 44 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 213

Physical Properties of steel grade 15Cr09

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
11 - -     0.24 -  
438 694 - 22.3 321   -  
518 - 13 33.2   313 242

Heat Treatment of steel grade 15Cr09

Heat treated : 1667°C - 1675°C

Technological Curves of steel grade 15Cr09

Cross Reference Table (Equivalent Grade) of 15Cr09

Grade Standard Country Application
15Cr09 STAS/SR Romania Alloy structural steel
15Cr09S STAS/SR Romania Alloy structural steel
15Cr09X STAS/SR Romania Alloy structural steel
15Cr09XS STAS/SR Romania Alloy structural steel

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