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45Cr

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#45Cr

Description

China GBT 45Cr China structural steel and alloy steel and 45Cr Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: 45Cr
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel 45Cr GBT China China structural steel and alloy steel
20MnVB
40MnVB
20MnTiB
25MnRiVRE
15Cr
15CrA
20Cr
30Cr
35Cr
40Cr

Chemical composition(mass fraction)(wt.%) of the 45Cr

C(％) Si(％) Mn(％) Cr(％)
0.42-0.49 0.17-0.37 0.50-0.80 0.80-1.10

Mechanical Properties of steel grade 45Cr

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)
289 (≥) 192 (≥) 22 11 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 112

Physical Properties of steel grade 45Cr

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
24 - -     0.11 -  
696 881 - 41.3 223   -  
647 - 33 43.2   124 114

Heat Treatment of steel grade 45Cr

Heat treated : 1665°C - 1321°C

Technological Curves of steel grade 45Cr

Cross Reference Table (Equivalent Grade) of 45Cr

Grade Standard Country Application
145Cr6 DIN Germany Cold working alloy tool steel
45CrMoV7 DIN Germany Cold working alloy tool steel
45CrVMoW5-8 DIN Germany Hot working alloy tool steel
45CrMoV6 AFNOR France Carbide for cutting tools
45CrMoV6 AFNOR France Carbide for cutting tools
X45CrNiW18-9 Valve steel
X45CrSi9-3 AFNOR France Valve Internal Combustion Engines steel (NF-EN 1009-1998)
ISO X45CrSi9 3 ISO ISO ISO standard valve martensite steel
45Cr14Ni14W2Mo GBT China Stainless steel bars
45Cr GBT China China structural steel and alloy steel
45CrNi GBT China China structural steel and alloy steel
45CrNiMoVA GBT China China structural steel and alloy steel
45CrH GBT China China structural steel and alloy steel
EN X45Cr13 EN Euronorm Euronorm Tool steel
EN X45CrSi9-3 EN Euronorm Euronorm Stainless Steel
40Cr 50Cr
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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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