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14340

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14331 14341
#14340

Description

Czech Republic CSN 14340 The Czech republic Structural steel and 14340 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: 14340
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel 14340 CSN Czech Republic The Czech republic Structural steel
14160
14209
14220
14221
14223
14230
14231
14240
14260
14331

Chemical composition(mass fraction)(wt.%) of the 14340

C(％) Si(％) Mn(％) P(％) S(％) Cr(％)
0.28-0.38 0.17-0.37 0.50-0.90 0.035 0.035 1.30-1.90

Mechanical Properties of steel grade 14340

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)
669 (≥) 426 (≥) 22 14 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 232

Physical Properties of steel grade 14340

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
14 - -     0.23 -  
163 435 - 11.3 431   -  
645 - 33 22.2   112 333

Heat Treatment of steel grade 14340

Heat treated : 1138°C - 1128°C

Technological Curves of steel grade 14340

Cross Reference Table (Equivalent Grade) of 14340

Grade Standard Country Application
414340 CSN Czech Republic The Czech republic Structural steel
14340 CSN Czech Republic The Czech republic Structural steel
14331 14341
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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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