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X33CrNiMnN 23-8

Description

X33CrNiMnN 23-8 Stainless Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Stainless Steel: X33CrNiMnN 23-8

Chemical composition(mass fraction)(wt.%) of the X33CrNiMnN 23-8

 

Si 
Mn 
 P
 S
Cr   Ni  Mo  Other
 0.28-0.38  0.50-1.00  1.50-3.50  0.045 0.030   22.00-24.00  7.00-9.00  ≤0.50  W≤0.50
N  0.25-0.35

Mechanical Properties of steel grade X33CrNiMnN 23-8

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)
488 (≥) 316 (≥) 21 31 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 243

Physical Properties of steel grade X33CrNiMnN 23-8

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 - -     0.34 -  
513 142 - 32.3 422   -  
322 - 22 33.2   414 322

Heat Treatment of steel grade X33CrNiMnN 23-8

Heat treated : 1733°C - 1958°C

Technological Curves of steel grade X33CrNiMnN 23-8

Cross Reference Table (Equivalent Grade) of X33CrNiMnN 23-8

Grade Standard Country Application
X33CrNiMnN23-8 DIN Germany Valve steel
X33CrNiMnN23-8 AFNOR France Valve Internal Combustion Engines steel (NF-EN 1009-1998)
ISO X33CrNiMnN23 3 ISO standard valve austenite steel
EN X33CrNiMnN23-8 EN Euronorm Stainless Steel
Q195 China Engineering and welding
Q215 China Engineering and welding
Q215 B China Engineering and welding
Q235 China Engineering and welding
Q235 B China Engineering and welding
Q235 C China Engineering and welding
Q235 D China Engineering and welding
Q255 A China Engineering and welding
Q255 B China Engineering and welding
Q275 China Engineering and welding
Q235q C China Bridge structure with steel
Q235q D China Bridge structure with steel
Q345q E China Bridge structure with steel
Q345q C China Bridge structure with steel
ASTM 1030 ASTM USA General use carbon steel bar
UNS G10300 UNS USA General use carbon steel bar

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