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OLC75A

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OLC70A DC01
#OLC75A

Description

Romania STAS/SR OLC75A Alloy structural steel and OLC75A Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: OLC75A
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel OLC75A STAS/SR Romania Alloy structural steel
40Sil7A
51Sil7A
SIVCr11A
56Sil7A
60CrMnSi12A
60Si15A
65WSil8A
OLC55A
OIX65A
OLC70A

Chemical composition(mass fraction)(wt.%) of the OLC75A

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Cu(%)
0.70 -0.80 0.17-0.37 0.50-0.80 0.04 0.04 0.3 0.3 0.25

Mechanical Properties of steel grade OLC75A

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)
542 (≥) 793 (≥) 21 22 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 133

Physical Properties of steel grade OLC75A

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
12 - -     0.24 -  
317 292 - 44.3 124   -  
268 - 14 43.2   423 313

Heat Treatment of steel grade OLC75A

Heat treated : 1173°C - 1261°C

Technological Curves of steel grade OLC75A

Cross Reference Table (Equivalent Grade) of OLC75A

Grade Standard Country Application
OLC75A STAS/SR Romania Alloy structural steel
OLC70A DC01
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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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