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40Cr10q

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40BCr10q 41MoCr11q
#40Cr10q

Description

Romania STAS/SR 40Cr10q Alloy structural steel and 40Cr10q Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: 40Cr10q
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel 40Cr10q STAS/SR Romania Alloy structural steel
OLC35q
OLC45q
OL37q
RCB52q
18MnCr10q
18MoCrNi13q
21MoMnCr12q
21TiMnCr12q
34MoCrNi15q
40BCr10q

Chemical composition(mass fraction)(wt.%) of the 40Cr10q

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Cu(%)
0.36-0.44 0.17-0.37 0.50-0.80 0.035 0.035 0.80-1.10 0.3 0.3

Mechanical Properties of steel grade 40Cr10q

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)
322 (≥) 991 (≥) 32 44 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 434

Physical Properties of steel grade 40Cr10q

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
34 - -     0.34 -  
418 726 - 31.3 323   -  
714 - 33 42.2   332 332

Heat Treatment of steel grade 40Cr10q

Heat treated : 1291°C - 1923°C

Technological Curves of steel grade 40Cr10q

Cross Reference Table (Equivalent Grade) of 40Cr10q

Grade Standard Country Application
40Cr10q STAS/SR Romania Alloy structural steel
40Cr10q STAS/SR Romania Alloy structural steel
40BCr10q 41MoCr11q
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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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