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Melting composition and thickness direction properties of S355K2-Z35 steel plate

The S355K2-Z35 steel plate corresponds to the national standard Q345E-Z35, and Z35 refers to the anti-tear function in the thickness direction.

Chemical composition of S355K2-Z35 steel plate:
Carbon C: ≤0.20
Manganese Mn: ≤1.60
Phosphorus P: ≤0.025
Sulfur S: ≤0.025
Silicon Si: ≤0.55
Copper Cu: ≤0.55

Yield tensile strength of S355K2-Z35 steel plate with different thicknesses:
S355K2-Z35 tensile strength (σb/MPa):
3<t≤16mm (thickness) 470-630
16<t≤40mm (thickness) 470-630
40<t≤63mm (thickness) 470-630
63<t≤80mm (thickness) 470-630

S355K2-Z35 steel plate yield point (σs/MPa):
3<t≤16mm (thickness)≧355
16<t≤40mm (thickness)≧345
40<t≤63mm (thickness)≧335
63<t≤80mm (thickness)≧325

S355K2-Z35 steel plate impact energy Akv: -20℃≥40J, S355K2 sample standard: sample blank standard is 18mm.

S355K2-Z35 plate is a European standard low-alloy high-strength steel plate, fulfilling the standard EN10025-2.

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