LR E690 shipbuilding steel plate is an extra higher strength shipbuilding plate which is mainly used for built hull of vessels,ship body construction and oil offshaore platform.Normally when rolling,quenched and tempered would improve steel strength in yield and tensile points.Generally before using these ship plates LR Grade E690,steel plate pretreatment is necessary.Pre-treatment including shot blasting and painting with shop primer.
♦ 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 LR Grade E690 shipbuilding structual steel:
Yield strength (≥Mpa) | Tensile strength (Mpa) | Impacting test |
690 | 770-940 | |
-40 Centigrade |
►Chemical composition for LR Grade E690 ship steel (Heat Analysis Max%)
Main chemical elements composition of LR Grade E690 | |||||
C | Si | Mn | P | S | N |
0.20 | 0.55 | 1.70 | 0.030 | 0.030 | 0.02 |