Fine-grain structural steel sheets rolled in accordance with PN-EN 10025-3.

Specification:

• S355N and S355NL, Yield strength R_emin. 355 MPa, Tensile strength R_m within the range 470÷630 MPa, elongation A₅min. 22%, CEV_max. 0,43

• S420N and S420NL, Yield strength R_emin. 420 MPa, Tensile strength R_m within the range 520÷680 MPa, elongation A₅min. 19%, CEV_max. 0,48

• S460N and S460NL, Yield strength R_emin. 460 MPa, Tensile strength R_m within the range 540÷720 MPa, elongation A₅min. 17%, CEV_max. -

Impact strength KV_min. [J] for impact tests for individual grades is as follows:

• S355N; S420N; S460N : +20°C ⇒ 55J; 0°C ⇒ 47J; -10°C ⇒ 43J; -20°C ⇒ 40J
• S355NL; S420NL; S460NL : +20°C ⇒ 63J; 0°C ⇒ 55J; -10°C ⇒ 51J; -20°C ⇒ 47J; -30°C ⇒ 40J; -40°C ⇒ 31J; -50°C⇒ 27J