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51Si7

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51Si7 60Si8
#51Si7

Description

France AFNOR 51Si7 Carbide for cutting tools and 51Si7 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Steel And Hard Alloy: 51Si7
Category Type Steel Grade Standard Country Application
Steel GradesTool Steel And Hard Alloy 51Si7 AFNOR France Carbide for cutting tools
40CrMnMo8
42CrMo4
42CrMo4
45SiCrMo6
45SiCrMo6
45WCrV8
45WCrV8
46Si7
46Si7
51Si7

Chemical composition(mass fraction)(wt.%) of the 51Si7

C(％) Si(％) Mn(％)
0.48-0.54 1.60-2.00 0.50-0.80

Mechanical Properties of steel grade 51Si7

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)
621 (≥) 436 (≥) 34 13 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 142

Physical Properties of steel grade 51Si7

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
21 - -     0.11 -  
695 146 - 13.3 341   -  
461 - 44 23.2   222 231

Heat Treatment of steel grade 51Si7

Heat treated : 1394°C - 1398°C

Technological Curves of steel grade 51Si7

Cross Reference Table (Equivalent Grade) of 51Si7

Grade Standard Country Application
51Si7 AFNOR France Carbide for cutting tools
51Si7 AFNOR France Carbide for cutting tools
51Si7 60Si8
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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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