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SN490B

Favorite Datasheet
SN400C SN490C
#SN490B

Description

China CNS SN490B China Taiwan Structural steel and SN490B Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: SN490B
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel SN490B CNS China China Taiwan Structural steel
SMA490AP
SMA490BP
SMA490CP
SMA570W
SMA570P
SPA-H
SPA-C
SN400A
SN400B
SN400C

Chemical composition(mass fraction)(wt.%) of the SN490B

C(％) Si(％) Mn(％) P(％) S(％) Other(%)
0.18 0.55 Max 1.60 0.03 0.015 CE Max 0.44

Mechanical Properties of steel grade SN490B

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)
894 (≥) 161 (≥) 13 42 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 441

Physical Properties of steel grade SN490B

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
23 - -     0.34 -  
716 958 - 23.3 422   -  
354 - 12 43.2   144 143

Heat Treatment of steel grade SN490B

Heat treated : 1288°C - 1469°C

Technological Curves of steel grade SN490B

Cross Reference Table (Equivalent Grade) of SN490B

Grade Standard Country Application
SN490B CNS China China Taiwan Structural steel
SN400C SN490C
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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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