■ Overview
LR D690 steel plate is an extra high strength shipbuilding plate which is mainly used for built hull of vessels,ship body construction.Tempered and Quenched heat treatment would improve steel strength in yield and tensile points for shipbuilding steel plate LR D690.
■ Full Data
Technical Requirements & Additional Services for LR D690 steel plate:
♦ 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
♦ 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
■ Techicals
►Mechnical property for LR Grade D690 shipbuilding structual steel:
Yield strength (≥Mpa) | Tensile strength (Mpa) | Impacting test |
690 | 770-940 | |
-20 Centigrade |
►Chemical composition for LR Grade D690 ship steel (Heat Analysis Max%)
Main chemical elements composition of LR Grade D690 | |||||
C | Si | Mn | P | S | N |
0.20 | 0.55 | 1.70 | 0.030 | 0.030 | 0.02 |