Available 24/7 at sales@steel-grades.com

X55CrMnNiN20-8

Description

France AFNOR X55CrMnNiN20-8 Valve Internal Combustion Engines steel (NF-EN 1009-1998) and X55CrMnNiN20-8 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Valve Steel: X55CrMnNiN20-8
Category Type Steel Grade Standard Country Application
Steel GradesValve Steel X55CrMnNiN20-8 AFNOR France Valve Internal Combustion Engines steel (NF-EN 1009-1998)
NC15Fe7TA
NC20TA
X45CrSi9-3
X40CrSiMo10-2
1.4731
1.4718
X33CrNiMnN23-8
1.4866
X53CrMnNiN21-9
1.4871

Chemical composition(mass fraction)(wt.%) of the X55CrMnNiN20-8

C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Ni(%) N(%)
0.50-0.60 Max 0.25 7.00-10.00 Max 0.035 Max 0.030 19.5-21.5 1.50-2.75 0.20-0.40

Mechanical Properties of steel grade X55CrMnNiN20-8

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)
195 (≥) 685 (≥) 41 22 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 134

Physical Properties of steel grade X55CrMnNiN20-8

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 - -     0.12 -  
742 531 - 34.3 412   -  
528 - 22 34.2   331 143

Heat Treatment of steel grade X55CrMnNiN20-8

Heat treated : 1684°C - 1839°C

Technological Curves of steel grade X55CrMnNiN20-8

Cross Reference Table (Equivalent Grade) of X55CrMnNiN20-8

Grade Standard Country Application
X55CrMnNiN20-8 DIN Germany Valve steel
X55CrMnNiN20-8 AFNOR France Valve Internal Combustion Engines steel (NF-EN 1009-1998)
ISO X55CrMnNiN20 8 ISO ISO ISO standard valve austenite steel

Available Suppliers

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...

Rfq.: sales@longhaisteel.com
  • Do you supply this X55CrMnNiN20-8?
  • List your company on S&G now? Join
  • Non-paying users only
Top