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15121

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15112 15124
#15121

Description

Czech Republic CSN 15121 The Czech republic Structural steel and 15121 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: 15121
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel 15121 CSN Czech Republic The Czech republic Structural steel
14230
14231
14240
14260
14331
14340
14341
15020
15110
15112

Chemical composition(mass fraction)(wt.%) of the 15121

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Mo(％)
0.10-0.18 0.15-0.35 0.40-0.70 0.040. 0.040 0.70-1.30 0.40-0.50

Mechanical Properties of steel grade 15121

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)
733 (≥) 952 (≥) 24 13 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 311

Physical Properties of steel grade 15121

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
32 - -     0.13 -  
135 755 - 44.3 214   -  
187 - 42 32.2   233 321

Heat Treatment of steel grade 15121

Heat treated : 1158°C - 1854°C

Technological Curves of steel grade 15121

Cross Reference Table (Equivalent Grade) of 15121

Grade Standard Country Application
415121 CSN Czech Republic The Czech republic Structural steel
15121 CSN Czech Republic The Czech republic Structural steel
15112 15124
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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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