Q355ND-Z35 steel plate chemical and mechanical properties

1. Q355ND-Z35 steel plate chemical composition:
Carbon C: not more than 0.20; Silicon Si: not more than 0.5; Mn: 0.90-1.65; Phosphorus P: 0.030; Sulfur S: 0.030; Nb: 0.005-0.05; Vanadium V: 0.01-0.12; Titanium Ti: 0.006-0.05; Cr: not more than 0.30; Nickel: not more than 0.50; Copper Cu: not more than 0.40; Mo: not more than 0.10; Nitrogen N: no more than 0.015; Aluminum Als: not less than 0.01

2. Q355ND-Z35 steel plate is a low-alloy high-strength steel plate. Q represents yield strength, 355 represents yield strength value, N represents normalized or normalized rolling, D represents quality grade, and Z35 is Z-direction performance.

3. Carbon equivalent analysis of Q355ND-Z35 steel plate:

4. The mechanical properties of Q355ND-Z35 steel plate:
Yield strength:
≤16mm: ≥355; 16—40mm: ≥335; 40—63mm: ≥325; 63—80mm: ≥315; 80—100mm: ≥305; 100—150mm: ≥285; 150—200mm: ≥275; 200—250mm: ≥275; 250—400mm: ≥265.
Tensile strength: 450-630Mpa.
Elongation: ≥ 21%.