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SUJ3

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SUJ2 SUJ4
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Description

China CNS SUJ3 China Taiwan Structural steel and SUJ3 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: SUJ3
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel SUJ3 CNS China China Taiwan Structural steel
SUP6
SUP7
SUP9
SUP9A
SUP10
SUP11A
SUP12
SUP13
SUJ1
SUJ2

Chemical composition(mass fraction)(wt.%) of the SUJ3

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Mo(％)
0.95-1.10 0.40-0.70 0.90-1.15 0.025 0.025 0.90-1.20 —

Mechanical Properties of steel grade SUJ3

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)
178 (≥) 296 (≥) 44 32 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 323

Physical Properties of steel grade SUJ3

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 - -     0.22 -  
916 748 - 24.3 413   -  
799 - 31 21.2   342 423

Heat Treatment of steel grade SUJ3

Heat treated : 1934°C - 1147°C

Technological Curves of steel grade SUJ3

Cross Reference Table (Equivalent Grade) of SUJ3

Grade Standard Country Application
SUJ3 CNS China China Taiwan Structural steel
SUJ2 SUJ4
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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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