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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