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1.4704

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45SiCr16-11/X45SiC X45SiCr9-3
#1.4704

Description

Germany DIN 1.4704 Valve steel and 1.4704 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Steel: 1.4704
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Steel 1.4704 DIN Germany Valve steel
X8CrNiTi18-10/X12CrNiTi18-9
1.4878
1.4885
X12CrNiMoNb20-15
X8SiTi4
1.5310
X50NiCrWV13-13
1.3817
X4MnCr18
45SiCr16-11/X45SiC

Chemical composition(mass fraction)(wt.%) of the 1.4704

C(％) Si(％) Mn(％) P(％) S(％) Cr(％)
0.40-0.50 3.50-4.50 Max 1.00 Max 0.045 Max 0.030 2.50-3.00

Mechanical Properties of steel grade 1.4704

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)
583 (≥) 465 (≥) 33 12 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 411

Physical Properties of steel grade 1.4704

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
22 - -     0.31 -  
785 728 - 24.3 431   -  
547 - 22 41.2   312 211

Heat Treatment of steel grade 1.4704

Heat treated : 1351°C - 1361°C

Technological Curves of steel grade 1.4704

Cross Reference Table (Equivalent Grade) of 1.4704

Grade Standard Country Application
1.4704 DIN Germany Valve steel
45SiCr16-11/X45SiC X45SiCr9-3
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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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