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1.4875

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X55CrMnNiN20-8 1.4881
#1.4875

Description

Germany DIN 1.4875 Valve steel and 1.4875 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Steel: 1.4875
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Steel 1.4875 DIN Germany Valve steel
X60CrMnMoVNbN21-10
1.4866
X33CrNiMnN23-8
1.4870
X53CrMnNiNbN21-9
X53CrMnNiN21-9
1.4871
1.4873
X45CrNiW18-9
X55CrMnNiN20-8

Chemical composition(mass fraction)(wt.%) of the 1.4875

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Mo(％) N(%)
0.50-0.60 Max 0.25 Max 0.25 Max 0.045 Max 0.030 19.50-21.50 1.50-2.75 Max 0.50 0.20-0.40

Mechanical Properties of steel grade 1.4875

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)
636 (≥) 488 (≥) 21 31 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 314

Physical Properties of steel grade 1.4875

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
21 - -     0.32 -  
442 523 - 34.3 311   -  
647 - 22 43.2   431 231

Heat Treatment of steel grade 1.4875

Heat treated : 1512°C - 1447°C

Technological Curves of steel grade 1.4875

Cross Reference Table (Equivalent Grade) of 1.4875

Grade Standard Country Application
1.4875 DIN Germany Valve steel
1.4875 AFNOR France Valve Internal Combustion Engines steel (NF-EN 1009-1998)
X55CrMnNiN20-8 1.4881
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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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