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1.4881

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1.4875 X70CrMnNiN21-6
#1.4881

Description

Germany DIN 1.4881 Valve steel and 1.4881 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Steel: 1.4881
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Steel 1.4881 DIN Germany Valve steel
1.4866
X33CrNiMnN23-8
1.4870
X53CrMnNiNbN21-9
X53CrMnNiN21-9
1.4871
1.4873
X45CrNiW18-9
X55CrMnNiN20-8
1.4875

Chemical composition(mass fraction)(wt.%) of the 1.4881

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) N(%)
0.65-0.75 Max 0.80 5.50-7.00 Max 0.050 Max 0.02-0. 20.00-22.00 1.40-1.90 0.18-0.28

Mechanical Properties of steel grade 1.4881

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)
367 (≥) 825 (≥) 14 12 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 431

Physical Properties of steel grade 1.4881

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 - -     0.24 -  
542 987 - 23.3 423   -  
637 - 11 13.2   123 343

Heat Treatment of steel grade 1.4881

Heat treated : 1436°C - 1113°C

Technological Curves of steel grade 1.4881

Cross Reference Table (Equivalent Grade) of 1.4881

Grade Standard Country Application
1.4881 DIN Germany Valve steel
1.4875 X70CrMnNiN21-6
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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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