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F8251

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E8351 F8252
#F8251

Description

Spain UNE F8251 Spain structural alloy steel and F8251 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: F8251
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel F8251 UNE Spain Spain structural alloy steel
15NiMn6
X8Ni9
X12Ni5
F8310
E8311
E8321
E8330
E8331
E8332
E8351

Chemical composition(mass fraction)(wt.%) of the F8251

C(％) Si(％) Mn(％) P(％) S(％)
1.00-1.40 <1.00 11.5—14.0 0.10 0.06

Mechanical Properties of steel grade F8251

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)
488 (≥) 881 (≥) 21 13 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 334

Physical Properties of steel grade F8251

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
42 - -     0.33 -  
612 718 - 14.3 211   -  
821 - 23 24.2   324 324

Heat Treatment of steel grade F8251

Heat treated : 1584°C - 1372°C

Technological Curves of steel grade F8251

Cross Reference Table (Equivalent Grade) of F8251

Grade Standard Country Application
F8251 UNE Spain Spain structural alloy steel
E8351 F8252
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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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