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1.4748

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1.4732 1.4785
#1.4748

Description

1.4748 Stainless Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Stainless Steel: 1.4748
Category Type Steel Grade Standard Country Application
Steel GradesStainless Steel 1.4748
X50CrMnNiNbN 21-9
NiFe25Cr20NbTi
65Si7
37MnSi5
1.2731
1.3817
1.4704
1.4718
1.4731
1.4732

Chemical composition(mass fraction)(wt.%) of the 1.4748

 

 

C  Si 
≤		 Mn 
≤		  P
≤		  S
≤		 Cr   Ni  Mo  Other
 0.80-0.90  1.00  1.50  0.040  0.030 16.5-18.5   ---------  2.00-2.50  V 0.30-0.60


.

Mechanical Properties of steel grade 1.4748

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)
962 (≥) 818 (≥) 13 43 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 232

Physical Properties of steel grade 1.4748

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 - -     0.42 -  
558 314 - 31.3 132   -  
862 - 24 33.2   214 111

Heat Treatment of steel grade 1.4748

Heat treated : 1438°C - 1821°C

Technological Curves of steel grade 1.4748

Cross Reference Table (Equivalent Grade) of 1.4748

Grade Standard Country Application
1.4748 DIN Germany Valve steel
1.4748 AFNOR France Valve Internal Combustion Engines steel (NF-EN 1009-1998)
1.4732 1.4785
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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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