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28Cr4

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22CrMoS3-5 28CcS4
#28Cr4

Description

Spain UNE 28Cr4 Spain structural alloy steel and 28Cr4 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: 28Cr4
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel 28Cr4 UNE Spain Spain structural alloy steel
20MnCr5
20MnCrS5
20MoCr3
20MoCr4
20MoCrS3
20MoCrS4
20NiCrMo2-2
20NiCrMoS2-2
20NiCrMoS6-4
22CrMoS3-5

Chemical composition(mass fraction)(wt.%) of the 28Cr4

C(％) Si(％) Mn(％) P(％) S(％) Cr(％)
0.24-0.31 0.4 0.60-0.90 0.035 0.035 0.90-1.20

Mechanical Properties of steel grade 28Cr4

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)
324 (≥) 922 (≥) 23 24 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 223

Physical Properties of steel grade 28Cr4

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
13 - -     0.24 -  
982 495 - 44.3 223   -  
889 - 34 42.2   112 143

Heat Treatment of steel grade 28Cr4

Heat treated : 1314°C - 1589°C

Technological Curves of steel grade 28Cr4

Cross Reference Table (Equivalent Grade) of 28Cr4

Grade Standard Country Application
28Cr4 UNE Spain Spain structural alloy steel
EN 28Cr4 EN Euronorm Euronorm Structural steel
22CrMoS3-5 28CcS4
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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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