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E8221

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E8213 E8222
#E8221

Description

Spain UNE E8221 Spain structural alloy steel and E8221 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: E8221
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel E8221 UNE Spain Spain structural alloy steel
E8330
E8331
E8332
E8351
F8251
F8252
E8201
E8211
F8212
E8213

Chemical composition(mass fraction)(wt.%) of the E8221

C(％) Si(％) Mn(％) P(％) S(％) Cr(％)
0. 30-0.40 0. 30-0.50 0. 50—0. 80 0.040 0. 040 0.80—1. 20

Mechanical Properties of steel grade E8221

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)
336 (≥) 595 (≥) 33 14 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 134

Physical Properties of steel grade E8221

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
43 - -     0.13 -  
821 175 - 33.3 433   -  
735 - 22 33.2   443 244

Heat Treatment of steel grade E8221

Heat treated : 1876°C - 1158°C

Technological Curves of steel grade E8221

Cross Reference Table (Equivalent Grade) of E8221

Grade Standard Country Application
E8221 UNE Spain Spain structural alloy steel
E8213 E8222
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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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