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X45CrNiW18-9

Description

X45CrNiW18-9 Valve steel and X45CrNiW18-9 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Steel: X45CrNiW18-9
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Steel X45CrNiW18-9 Valve steel
1.4748
1.4785
X60CrMnMoVNbN21-10
1.4866
X33CrNiMnN23-8
1.4870
X53CrMnNiNbN21-9
X53CrMnNiN21-9
1.4871
1.4873

Chemical composition(mass fraction)(wt.%) of the X45CrNiW18-9

C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Ni(%) W(%)
0.40-0.50 2.00-3.00 0.80-1.50 Max 0.045 Max 0.030 17.00-19.00 8.00-10.00 0.80-1.20

Mechanical Properties of steel grade X45CrNiW18-9

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)
124 (≥) 496 (≥) 31 42 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 421

Physical Properties of steel grade X45CrNiW18-9

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
13 - -     0.21 -  
847 299 - 13.3 334   -  
745 - 11 13.2   122 211

Heat Treatment of steel grade X45CrNiW18-9

Heat treated : 1485°C - 1834°C

Technological Curves of steel grade X45CrNiW18-9

Cross Reference Table (Equivalent Grade) of X45CrNiW18-9

Grade Standard Country Application
X45CrNiW18-9 Valve steel

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