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SM490C

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SM490B SM490YA
#SM490C

Description

China CNS SM490C China Taiwan Structural steel and SM490C Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: SM490C
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel SM490C CNS China China Taiwan Structural steel
SUJ5
SS34
SS400
SS490
SS540
SM400A
SM400B
SM400C
SM490A
SM490B

Chemical composition(mass fraction)(wt.%) of the SM490C

C(％) Si(％) Mn(％) P(％) S(％)
Max 0.20 Max 0.55 Max 1.60 0.035 0.035

Mechanical Properties of steel grade SM490C

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)
678 (≥) 252 (≥) 43 14 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 423

Physical Properties of steel grade SM490C

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 - -     0.12 -  
898 642 - 11.3 143   -  
652 - 32 11.2   332 412

Heat Treatment of steel grade SM490C

Heat treated : 1916°C - 1148°C

Technological Curves of steel grade SM490C

Cross Reference Table (Equivalent Grade) of SM490C

Grade Standard Country Application
SM490C CNS China China Taiwan Structural steel
SM490B SM490YA
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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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