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OLC66S

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65Mn10 15Cr09
#OLC66S

Description

Romania STAS/SR OLC66S Structural steel and OLC66S Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: OLC66S
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel OLC66S STAS/SR Romania Structural steel
OL37q
RCB52q
20BMn13z
21Mn14z
OLC20z
OLC37
20Mn10
35Mn16
40Mn10
65Mn10

Chemical composition(mass fraction)(wt.%) of the OLC66S

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Cu(%)
0.62- 0.70 0.17-0.37 0.60-0.90 0.030 0.030 Max 0.15 0.20 0.20

Mechanical Properties of steel grade OLC66S

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)
737 (≥) 156 (≥) 44 33 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 443

Physical Properties of steel grade OLC66S

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
14 - -     0.14 -  
772 842 - 31.3 211   -  
336 - 12 22.2   441 224

Heat Treatment of steel grade OLC66S

Heat treated : 1928°C - 1447°C

Technological Curves of steel grade OLC66S

Cross Reference Table (Equivalent Grade) of OLC66S

Grade Standard Country Application
OLC66S STAS/SR Romania Structural steel
65Mn10 15Cr09
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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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