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France AFNOR NF S490MC Iron and steel products. High yield strength weldable microalloy steel hot rolled flat products for cold forming. Grades and types and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: S490MC / S 490 MC
Category Grade Standard Region/Area Standard Content
Metals S 490 MC NF A36-231 France Iron and steel products. High yield strength weldable microalloy steel hot rolled flat products for cold forming. Grades and types

Chemical composition(mass fraction)(wt.%) of the S 490 MC

Element Min Max Similar

Mechanical Properties of steel grade S 490 MC

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)
648 (≥) 741 (≥) 43 33 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 244

Physical Properties of steel grade S 490 MC

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
24 - -     0.21 -  
642 227 - 32.3 423   -  
549 - 22 41.2   212 334

Heat Treatment of steel grade S 490 MC

Heat treated : 1871°C - 1142°C

Technological Curves of steel grade S 490 MC

Cross Reference Table (Equivalent Grade) of S 490 MC

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