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ISO X45CrSi9 3

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ISO X50CrSi8 2 ISO X85CrMoV18 2
#X45CrSi9-3

Description

ISO ISO ISO X45CrSi9 3 ISO standard valve martensite steel and ISO X45CrSi9 3 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Alloy: ISO X45CrSi9 3
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Alloy ISO X45CrSi9 3 ISO ISO ISO standard valve martensite steel
ISO X6NiCrSi36 19
ISO X8NiCrAlTi32 21
ISO H18
ISO NiCr15Fe8
ISO H20
ISO NiCr20Ti
ISO H21
ISO H22
ISO NiCr22Mo9Nb
ISO X50CrSi8 2

Chemical composition(mass fraction)(wt.%) of the ISO X45CrSi9 3

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％)
0.40-0.50 2.70-3.30 Max 0.80 Max 0.04 Max 0.03 8.00-10.0 Max 0.60

Mechanical Properties of steel grade ISO X45CrSi9 3

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)
689 (≥) 489 (≥) 21 31 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 442

Physical Properties of steel grade ISO X45CrSi9 3

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
33 - -     0.12 -  
515 893 - 23.3 131   -  
676 - 23 11.2   211 331

Heat Treatment of steel grade ISO X45CrSi9 3

Heat treated : 1733°C - 1451°C

Technological Curves of steel grade ISO X45CrSi9 3

Cross Reference Table (Equivalent Grade) of ISO X45CrSi9 3

Grade Standard Country Application
X45CrSi9-3 AFNOR France Valve Internal Combustion Engines steel (NF-EN 1009-1998)
ISO X45CrSi9 3 ISO ISO ISO standard valve martensite steel
EN X45CrSi9-3 EN Euronorm Euronorm Stainless Steel
ISO X50CrSi8 2 ISO X85CrMoV18 2
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