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OPM

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OI.T45K 21MoMnCr12z
#OPM

Description

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

Datasheet for: Steel Grades:Structure Steel: OPM
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel OPM STAS/SR Romania Structural steel
43MoMn16
OLT35
OI.T45
OLT65
10CrMOL0
10MoCr50
14CrMo4
16Mo3
OLT35K
OI.T45K

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

C(％) Si(％) Mn(％) P(％) S(％) V(%) Al(%)
0.14-0.19 Max 0.45 1.20-1.60 0.040 0.040 0.10 -0.19 0.02

Mechanical Properties of steel grade OPM

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)
671 (≥) 865 (≥) 44 12 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 214

Physical Properties of steel grade OPM

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 - -     0.13 -  
325 759 - 43.3 443   -  
863 - 43 41.2   331 321

Heat Treatment of steel grade OPM

Heat treated : 1772°C - 1647°C

Technological Curves of steel grade OPM

Cross Reference Table (Equivalent Grade) of OPM

Grade Standard Country Application
OPM STAS/SR Romania Structural steel
OI.T45K 21MoMnCr12z
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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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