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Germany SEW IF18 Cold rolled softened microalloyed steel flat products for cold forming. Technical delivery conditions and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: IF18 / IF 18
Category Grade Standard Region/Area Standard Content
Metals IF 18 SEW 095 Germany Cold rolled softened microalloyed steel flat products for cold forming. Technical delivery conditions

Chemical composition(mass fraction)(wt.%) of the IF 18

Element Min Max Similar

Mechanical Properties of steel grade IF 18

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)
577 (≥) 725 (≥) 33 31 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 242

Physical Properties of steel grade IF 18

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
22 - -     0.22 -  
729 797 - 32.3 113   -  
647 - 11 22.2   112 224

Heat Treatment of steel grade IF 18

Heat treated : 1358°C - 1763°C

Technological Curves of steel grade IF 18

Cross Reference Table (Equivalent Grade) of IF 18

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