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25-20Л

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BX4Л 22-11-2.5
#25-20Л

Description

Russia ГОСТ 25-20Л High temperature alloy castings and 25-20Л Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Alloy: 25-20Л
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Alloy 25-20Л ГОСТ Russia High temperature alloy castings
BX9Л-BИ
ЖC3
ЖC3ЛK
ЖC6K
BЖЛ8
BЖЛ12y
BЖЛ12Э
BЖЛl4
BЖЛ14H
BX4Л

Chemical composition(mass fraction)(wt.%) of the 25-20Л

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％)
Max 0.18 0.8-2.0 0.7-1.5 Max 0.025 0.025 22.0- 26.0 17.0- 21.0

Mechanical Properties of steel grade 25-20Л

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)
315 (≥) 741 (≥) 33 13 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 213

Physical Properties of steel grade 25-20Л

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 - -     0.12 -  
832 725 - 34.3 221   -  
247 - 41 32.2   412 222

Heat Treatment of steel grade 25-20Л

Heat treated : 1698°C - 1147°C

Technological Curves of steel grade 25-20Л

Cross Reference Table (Equivalent Grade) of 25-20Л

Grade Standard Country Application
25-20Л ГОСТ Russia High temperature alloy castings
BX4Л 22-11-2.5
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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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