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Tensile yield parameters of S355k2 steel plate

S355k2 grade analysis, S represents structural steel, 355 represents the specified minimum yield point (MPa), which will be reflected in its mechanical properties, K2 represents that the impact energy at - 20 ℃ is not less than 40J (K represents the requirement of 40J, 2 represents - 20 ℃), and S355 is a European low alloy high-strength steel plate.

Delivery status: hot rolling or normalizing+tempering. The specific delivery status shall be indicated in the MTC.

S355K2 steel plate chemical composition range value:
Carbon C: ≤ 0.20, Mn: ≤ 1.60
Phosphorus P: ≤ 0.025, Sulfur S: ≤ 0.025
Silicon Si: ≤ 0.55, Copper Cu: ≤ 0.55
Note: The actual chemical composition is subject to the steel manufacturer's MTC.

S355K2 steel plate mechanical properties:
S355K2 tensile strength( σ b/MPa):
>3≤ 16MM (thickness) 470-630
>16≤ 40MM (thickness) 470-630
>40≤ 63MM (thickness) 470-630
>63≤ 80MM (thickness) 470-630

S355K2 yield point( σ s/MPa) :
>3≤ 16MM (thickness) ≥ 355
>16≤ 40MM (thickness) ≥ 345
>40≤ 63MM (thickness) ≥ 335
>63≤ 80MM (thickness) ≥ 325

S355K2 steel plate impact energy Akv: - 20 ° ≥ 40J, S355K2 sample size: sample blank size is 18mm

S355K2 steel grade is equivalent to Chinese steel Q345E.

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