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Technical data sheet of S355K2W steel plate

S355K2W steel plate heat treatment delivery status: hot rolled, normalized

S355K2W steel sheet chemical composition and melting analysis:

Grade C Si Mn P S Ni Cr
≤0.16 ≤0.5 0.5-1.5 ≤0.025 ≤0.025 ≤0.65 0.4-0.8
S355K2W Mo Cu Nb V Als Zr Ceq Max
≤0.3 0.25-0.55 0.015-0.06 0.02-0.12 ≥0.015 ≤0.15 ≤0.52

Mechanical properties of S355K2W steel plate:

Thickness Mechanical properties
≤16mm ReH(MPa) ≥355 When the yield is not obvious, use Rp0.2
Rm(MPa) 470-630  
A(%) ≥20 Transverse
Impact temperature -20  
Akv(J) ≥40 Longitudinal; Akv(-30℃)≥27J
Performance description Transverse sampling for tensile test; delivery status: hot rolling, normalizing or normalizing rolling
>16-40mm ReH(MPa) ≥345 When the yield is not obvious, use Rp0.2
Rm(MPa) 470-630  
A(%) ≥20 Transverse
Impact temperature -20  
Akv(J) ≥40 Longitudinal; Akv(-30℃)≥27J
Performance description Transverse sampling for tensile test; delivery status: hot rolling, normalizing or normalizing rolling
>40-63mm ReH(MPa) ≥335 When the yield is not obvious, use Rp0.2
Rm(MPa) 470-630  
A(%) ≥19 Transverse
Impact temperature -20  
Akv(J) ≥40 Longitudinal; Akv(-30℃)≥27J
Performance description

Transverse sampling for tensile test; delivery status: hot rolling, normalizing or normalizing rolling

Introduction to S355K2W steel plate and technical agreement standards:
S355K2W steel plate is European standard grade with enhanced atmospheric corrosion resistance, in accordance with EN10025-5 standard. Certain alloying elements, such as phosphorus, copper, chromium, nickel, molybdenum, etc., are added to the S355K2W atmospheric corrosion resistant steel, which makes it affected by climatic conditions. An automatic protective oxide layer is formed on the metal surface to enhance its resistance to atmospheric corrosion.

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