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15421

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15412 15422
#15421

Description

Czech Republic CSN 15421 The Czech republic Structural steel and 15421 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: 15421
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel 15421 CSN Czech Republic The Czech republic Structural steel
15313
15320
15323
15330
15334
15335
15340
15341
15342
15412

Chemical composition(mass fraction)(wt.%) of the 15421

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Mo(％)
0.18-0.28 0.15-0.40 0.50-0.90 0.040 0.04 2.70-3.50 Max 0.80 0.25-0.60

Mechanical Properties of steel grade 15421

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)
416 (≥) 961 (≥) 24 11 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 231

Physical Properties of steel grade 15421

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
12 - -     0.22 -  
946 481 - 33.3 141   -  
255 - 11 31.2   211 422

Heat Treatment of steel grade 15421

Heat treated : 1985°C - 1668°C

Technological Curves of steel grade 15421

Cross Reference Table (Equivalent Grade) of 15421

Grade Standard Country Application
415421 CSN Czech Republic The Czech republic Structural steel
15421 CSN Czech Republic The Czech republic Structural steel
15412 15422
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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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