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28Cr4

Favorite Datasheet
1.7030 1.7036
#28Cr4

Description

28Cr4 Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: 28Cr4
Category Type Steel Grade Standard Country Application
Steel GradesCarbon Steel 28Cr4
38Cr2
1.7023
1.3561
44Cr2
46Cr2
1.7006
46Cr2
1.7025
28Cr4
1.7030

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

 

C
≤		 Si
≤		 Mn
≤		 P
≤		 S
≤		 Cr Ni
0.24-0.31  0.40  0.60-0.90  0.035  0.035  0.90-1.20  
Mo Al Cu Nb Ti V Ce
             
N Co Pb B Other    
             
             

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)
227 (≥) 671 (≥) 33 11 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 431

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
11 - -     0.31 -  
285 255 - 42.3 412   -  
476 - 32 34.2   443 322

Heat Treatment of steel grade 28Cr4

Heat treated : 1289°C - 1465°C

Technological Curves of steel grade 28Cr4

Cross Reference Table (Equivalent Grade) of 28Cr4

Grade Standard Country Application
28Cr4 Spain structural alloy steel
EN 28Cr4 EN Euronorm Structural steel
1.7030 1.7036
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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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