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15221

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15217 15222
#15221

Description

Czech Republic CSN 15221 The Czech republic Structural steel and 15221 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: 15221
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel 15221 CSN Czech Republic The Czech republic Structural steel
15112
15121
15124
15127
15128
15130
15131
15142
15147
15217

Chemical composition(mass fraction)(wt.%) of the 15221

C(％) Si(％) Mn(％) P(％) S(％) Cr(％)
0.12-0; 20 0.17-0.37 0.80-1.20 0.04 0.04 0.80-1.20

Mechanical Properties of steel grade 15221

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)
195 (≥) 752 (≥) 43 14 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 431

Physical Properties of steel grade 15221

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
13 - -     0.11 -  
455 326 - 31.3 223   -  
192 - 32 13.2   131 234

Heat Treatment of steel grade 15221

Heat treated : 1465°C - 1187°C

Technological Curves of steel grade 15221

Cross Reference Table (Equivalent Grade) of 15221

Grade Standard Country Application
415221 CSN Czech Republic The Czech republic Structural steel
15221 CSN Czech Republic The Czech republic Structural steel
15217 15222
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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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