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X70CrMnNiN21-6

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1.4881 1.4882
#X70CrMnNiN21-6

Description

Germany DIN X70CrMnNiN21-6 Valve steel and X70CrMnNiN21-6 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Steel: X70CrMnNiN21-6
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Steel X70CrMnNiN21-6 DIN Germany Valve steel
X33CrNiMnN23-8
1.4870
X53CrMnNiNbN21-9
X53CrMnNiN21-9
1.4871
1.4873
X45CrNiW18-9
X55CrMnNiN20-8
1.4875
1.4881

Chemical composition(mass fraction)(wt.%) of the X70CrMnNiN21-6

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 X70CrMnNiN21-6

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)
533 (≥) 954 (≥) 33 44 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 342

Physical Properties of steel grade X70CrMnNiN21-6

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 - -     0.24 -  
643 552 - 22.3 112   -  
795 - 11 43.2   142 114

Heat Treatment of steel grade X70CrMnNiN21-6

Heat treated : 1437°C - 1536°C

Technological Curves of steel grade X70CrMnNiN21-6

Cross Reference Table (Equivalent Grade) of X70CrMnNiN21-6

Grade Standard Country Application
X70CrMnNiN21-6 DIN Germany Valve steel
1.4881 1.4882
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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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