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21Mn14z

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20BMn13z OLC20z
#21Mn14z

Description

Romania STAS/SR 21Mn14z Structural steel and 21Mn14z Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: 21Mn14z
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel 21Mn14z STAS/SR Romania Structural steel
OLT35K
OI.T45K
OPM
21MoMnCr12z
22MnCr12z
24MoCrNiMn15z
OL34q
OL37q
RCB52q
20BMn13z

Chemical composition(mass fraction)(wt.%) of the 21Mn14z

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Cu(%) Al(%)
0.18-0.24 0.17-0.37 1.10-1.60 0.035 0.035 Max 0.30 0.30 0.30 0.020-0.050

Mechanical Properties of steel grade 21Mn14z

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)
893 (≥) 464 (≥) 32 43 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 432

Physical Properties of steel grade 21Mn14z

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
34 - -     0.13 -  
855 118 - 31.3 132   -  
682 - 14 22.2   334 233

Heat Treatment of steel grade 21Mn14z

Heat treated : 1176°C - 1221°C

Technological Curves of steel grade 21Mn14z

Cross Reference Table (Equivalent Grade) of 21Mn14z

Grade Standard Country Application
21Mn14z STAS/SR Romania Structural steel
20BMn13z OLC20z
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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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