LR Grade F690,LR F690

Quenched and tempered LR F690 shipbuilding steel plate owned the higher tensile strength within 770-940 Mpa,and the minimum yield point shall be 690 Mpa.Class F690 indicates the low temperature impacting test shall be done under minus 60 centigree.We exported 50,000 tons higher strength shipbuilding steel materials all over the world especially southeast asia shipyards each year.

Technical Requirements & Additional Services for LR F690 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 

►Mechnical property for LR Grade F690 shipbuilding structual steel:

Yield strength (≥Mpa)	Tensile strength (Mpa)	Impacting test
690	770-940
		-60 Centigrade

►Chemical composition for LR Grade F690 ship steel (Heat Analysis Max%)

Main chemical elements composition of LR Grade F690
C	Si	Mn	P	S	N
0.18	0.55	1.60	0.025	0.025	0.02