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1.4785

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1.4748 X60CrMnMoVNbN21-10
#1.4785

Description

Germany DIN 1.4785 Valve steel and 1.4785 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Steel: 1.4785
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Steel 1.4785 DIN Germany Valve steel
1.4704
X45SiCr9-3
1.4718
X40CrSiMo10-2
1.4731
X80CrSiMoW15-2
1.4732
1.4732
X85CrMoV18-2
1.4748

Chemical composition(mass fraction)(wt.%) of the 1.4785

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Mo(％) V(%) N(%) Nb(%)
0.57-0.65 Max 0.25 9.50-11.50 Max 0.050 Max 0.025 20.00-22.00 Max 1.50 0.75-1.25 0.75-1.00 0.40-0.60 1.00-1.20

Mechanical Properties of steel grade 1.4785

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)
474 (≥) 445 (≥) 23 13 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 242

Physical Properties of steel grade 1.4785

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 - -     0.41 -  
817 575 - 12.3 421   -  
273 - 43 11.2   231 143

Heat Treatment of steel grade 1.4785

Heat treated : 1858°C - 1953°C

Technological Curves of steel grade 1.4785

Cross Reference Table (Equivalent Grade) of 1.4785

Grade Standard Country Application
1.4785 DIN Germany Valve steel
1.4748 X60CrMnMoVNbN21-10
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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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