S420NL steel plate is one kind steel grade in steel standard EN 10025-3 which also contains steel grades S275N,S275NL,S355N,S355NL,S420N,S460N,S460NL.All the steel grades may be supplied in the following qualities as specified at the time of the enquiry and order: I.with specified minimum values of impact energy at temperatures not lower than -20 °C, designated as N. II. with specified minimum values of impact energy at temperatures not lower than -50 °C, designated as NL.So for steel plate S420NL shall be done low temperature impacting test under minus 50 centigrade.
Technical Requirements & Additional Services:
Low temperature impacting test
Rolling under standard NACE MR-0175 (HIC+SSCC)
Ultrasonic test under EN 10160,ASTM A435,A577,A578
Issued Orginal Mill test certificate under EN 10204 FORMAT 3.1/3.2
Shot blasting and Painting,Cutting and welding as per end user’s demands
Mechnical property for S420NL Structural steel:
|S420NL||≤ 16||> 16 ≤ 40||> 40 ≤ 63||> 63 ≤ 80||> 80 ≤ 100||> 100 ≤ 150||> 150 ≤ 200||> 200|
|Yield strength (≥Mpa)||420||400||390||370||360||340||330||320|
|≤ 100||> 100 ≤ 200||> 200|
|Tensile strength (Mpa)||520-680||500-650||500-650|
|Main chemical elements composition of S420NL|
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