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40CrNi12q

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40Cr10q 42MoCr11q
#40CrNi12q

Description

Romania STAS/SR 40CrNi12q Alloy structural steel and 40CrNi12q Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: 40CrNi12q
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel 40CrNi12q STAS/SR Romania Alloy structural steel
20BCrMn13q
20MnB5q
20BMn13q
30MoCrNi20q
34MoCrl Iq
34MoCrNi16q
36BCrMnl Iq
36BMn11q
40BCr10q
40Cr10q

Chemical composition(mass fraction)(wt.%) of the 40CrNi12q

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Cu(%)
0.36-0.44 0.17-0.37 0.50-0.80 0.035 0.035 0.45-0.75 1.00-1.40 0.3

Mechanical Properties of steel grade 40CrNi12q

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)
548 (≥) 423 (≥) 22 12 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 422

Physical Properties of steel grade 40CrNi12q

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
23 - -     0.41 -  
743 134 - 31.3 313   -  
263 - 12 42.2   221 121

Heat Treatment of steel grade 40CrNi12q

Heat treated : 1893°C - 1595°C

Technological Curves of steel grade 40CrNi12q

Cross Reference Table (Equivalent Grade) of 40CrNi12q

Grade Standard Country Application
40CrNi12q STAS/SR Romania Alloy structural steel
40Cr10q 42MoCr11q
Available Suppliers
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...

Rfq.: sales@longhaisteel.com
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