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Description

Spain UNE S355K2G4 Spain structural steel and S355K2G4 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: S355K2G4
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel S355K2G4 UNE Spain Spain structural steel
S235J2G4
S27SJR
S275J0
S275J2G3
S275J2G4
S355JR
S355J0
S355J2G3
S355J2G4
S3S5K2G3

Chemical composition(mass fraction)(wt.%) of the S355K2G4

C(%) Si(%) Mn(%) P(%) S(%)
0.20 0.55 1.60 0.035 0.035

Mechanical Properties of steel grade S355K2G4

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)
794 (≥) 894 (≥) 32 12 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 344

Physical Properties of steel grade S355K2G4

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
41 - -     0.12 -  
472 733 - 31.3 224   -  
788 - 13 32.2   422 313

Heat Treatment of steel grade S355K2G4

Heat treated : 1384°C - 1853°C

Technological Curves of steel grade S355K2G4

Cross Reference Table (Equivalent Grade) of S355K2G4

Grade Standard Country Application
S355K2G4 UNE Spain Spain structural steel

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