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15Cr9q

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13CrNi30q 17MoCrNi14q
#15Cr9q

Description

Romania STAS/SR 15Cr9q Alloy structural steel and 15Cr9q Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: 15Cr9q
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel 15Cr9q STAS/SR Romania Alloy structural steel
40Cr10q
40CrNi12q
42MoCr11q
OLC22Bq
OLC2Sq
OLC35q
OLC45q
OLC10q
OLC15q
13CrNi30q

Chemical composition(mass fraction)(wt.%) of the 15Cr9q

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

Mechanical Properties of steel grade 15Cr9q

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)
333 (≥) 758 (≥) 14 24 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 421

Physical Properties of steel grade 15Cr9q

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
24 - -     0.42 -  
183 877 - 44.3 141   -  
848 - 41 13.2   314 332

Heat Treatment of steel grade 15Cr9q

Heat treated : 1782°C - 1436°C

Technological Curves of steel grade 15Cr9q

Cross Reference Table (Equivalent Grade) of 15Cr9q

Grade Standard Country Application
15Cr9q STAS/SR Romania Alloy structural steel
13CrNi30q 17MoCrNi14q
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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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