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1.4871

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X53CrMnNiN21-9 1.4873
#1.4871

Description

Germany DIN 1.4871 Valve steel and 1.4871 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Steel: 1.4871
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Steel 1.4871 DIN Germany Valve steel
1.4732
X85CrMoV18-2
1.4748
1.4785
X60CrMnMoVNbN21-10
1.4866
X33CrNiMnN23-8
1.4870
X53CrMnNiNbN21-9
X53CrMnNiN21-9

Chemical composition(mass fraction)(wt.%) of the 1.4871

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) N(%)
0.48-0.58 Max 0.25 8.00-10.00 Max 0.045 Max 0.030 20.00-22.00 3.25-4.50 0.35-0.50

Mechanical Properties of steel grade 1.4871

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)
976 (≥) 791 (≥) 32 44 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 311

Physical Properties of steel grade 1.4871

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 -  
712 942 - 12.3 231   -  
462 - 33 14.2   412 122

Heat Treatment of steel grade 1.4871

Heat treated : 1993°C - 1369°C

Technological Curves of steel grade 1.4871

Cross Reference Table (Equivalent Grade) of 1.4871

Grade Standard Country Application
1.4871 DIN Germany Valve steel
1.4871 AFNOR France Valve Internal Combustion Engines steel (NF-EN 1009-1998)
X53CrMnNiN21-9 1.4873
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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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