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SM490YB

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SM490YA SM520YB
#SM490YB

Description

China CNS SM490YB China Taiwan Structural steel and SM490YB Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: SM490YB
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel SM490YB CNS China China Taiwan Structural steel
SS400
SS490
SS540
SM400A
SM400B
SM400C
SM490A
SM490B
SM490C
SM490YA

Chemical composition(mass fraction)(wt.%) of the SM490YB

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

Mechanical Properties of steel grade SM490YB

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)
232 (≥) 821 (≥) 11 33 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 422

Physical Properties of steel grade SM490YB

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
33 - -     0.33 -  
296 454 - 34.3 232   -  
667 - 21 34.2   443 431

Heat Treatment of steel grade SM490YB

Heat treated : 1673°C - 1999°C

Technological Curves of steel grade SM490YB

Cross Reference Table (Equivalent Grade) of SM490YB

Grade Standard Country Application
SM490YB CNS China China Taiwan Structural steel
SM490YA SM520YB
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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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