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France AFNOR NF H355M Cold-rolled flat products made of high yield strength micro- alloyed steels for cold forming. General delivery conditions and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: H355M / H 355 M
Category Grade Standard Region/Area Standard Content
Metals H 355 M NF A36-232 France Cold-rolled flat products made of high yield strength micro- alloyed steels for cold forming. General delivery conditions

Chemical composition(mass fraction)(wt.%) of the H 355 M

Element Min Max Similar
Ti - 0.1000 -
Si - 0.3500 -
S - 0.0250 -
P - 0.0250 -
Nb - 0.0800 -
Mn - 0.9000 -
C - 0.1000 -
Al 0.0200 - -

Mechanical Properties of steel grade H 355 M

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)
522 (≥) 681 (≥) 23 43 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 431

Physical Properties of steel grade H 355 M

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
32 - -     0.31 -  
539 357 - 43.3 241   -  
721 - 34 42.2   231 211

Heat Treatment of steel grade H 355 M

Heat treated : 1839°C - 1835°C

Technological Curves of steel grade H 355 M

Cross Reference Table (Equivalent Grade) of H 355 M

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