DNV F620 shipbuilding steel plate and sheet which is the similar with LR Grade F620,GL Grade F620,NK F63,BV Grade F620,CCS Grade F620,RINA Grade F620,KR FQ63 which are the same and owned higher steel strength at minimum yield strength 620 Mpa and with tensile strength within 720-890 Mpa.Done low temperature impacting test for DNV F620 under minus 60 centigree when rolling.
Steel Standard:DNV (Det Norske Veritas)
Rolling Type:Extra high strength ship plate
Thickness:6mm-250mm
Width:1500mm-4200mm
Length:3000mm-18000mm
Heat Treatment:Quenched and Tempered
Technical Requirements & Additional Services:
High tension test
Z-Test (Z15,Z25,Z35)
Low temperature impacting test
Ultrasonic test under ASTM A435,A577,A578
Cetificated by ABS,LR,GL,BV,DNV,KR,NK,CCS,RINA
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 DNV Grade F620 shipbuilding structual steel:
| Yield strength (≥Mpa) | Tensile strength (Mpa) | Impacting test |
| 620 | 720-890 | |
| -60 Centigrade |
Chemical composition for DNV Grade F620 ship steel (Heat Analysis Max%)
| Main chemical elements composition of DNV Grade F620 | |||||
| C | Si | Mn | P | S | N |
| 0.18 | 0.55 | 1.60 | 0.025 | 0.025 | 0.02 |
