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25-20Л

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BX4Л 22-11-2.5
#25-20Л

Description

Russia GOST 25-20Л Specialsteel Russia TY standard grades and chemical compositions of the high temperature alloy castings and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: 25-20Л
Category Class Grade Standard Country Application
Steel GradesSpecialsteel 25-20Л GOST Russia Russia TY standard grades and chemical compositions of the high temperature alloy castings

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

C Cr Al Mo Ti Co W Ni Nb Fe B Ce V Zr Mn Si S P
≤0.18 22.00 -26.00 ≤ ≥ ≤ ≥ ≤ ≥ ≤ ≥ ≤ ≥ 17.00 -21.00 ≤ ≥ ≤ ≥ ≤ ≥ ≤ ≥ ≤ ≥ ≤ ≥ 0.70 -1.50 0.80 -2.00 ≤0.025 ≤0.025

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)
476 (≥) 924 (≥) 31 42 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 333

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
33 - -     0.34 -  
295 243 - 21.3 111   -  
382 - 12 23.2   241 112

Heat Treatment of steel grade 25-20Л

Heat treated : 1514°C - 1398°C

Technological Curves of steel grade 25-20Л

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

Grade Standard Country Application
25-20Л
BX4Л 22-11-2.5
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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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