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SN490C

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SN490B SBPR785/930
#SN490C

Description

China CNS SN490C China Taiwan Structural steel and SN490C Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: SN490C
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel SN490C CNS China China Taiwan Structural steel
SMA490BP
SMA490CP
SMA570W
SMA570P
SPA-H
SPA-C
SN400A
SN400B
SN400C
SN490B

Chemical composition(mass fraction)(wt.%) of the SN490C

C(％) Si(％) Mn(％) P(％) S(％) Other(%)
0.18 0.55 Max 1.60 0.02 0.008 CE Max 0.44

Mechanical Properties of steel grade SN490C

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)
892 (≥) 274 (≥) 23 31 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 421

Physical Properties of steel grade SN490C

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
43 - -     0.13 -  
623 891 - 21.3 111   -  
818 - 34 21.2   343 424

Heat Treatment of steel grade SN490C

Heat treated : 1213°C - 1114°C

Technological Curves of steel grade SN490C

Cross Reference Table (Equivalent Grade) of SN490C

Grade Standard Country Application
SN490C CNS China China Taiwan Structural steel
SN490B SBPR785/930
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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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