LR Grade A420,LR A420

Ship plate also named as shipbuilding plate,shipbuilding steel plate and marine plate.LR Grade A420 ship steel plate is an extra high strength ship plate which owned the minimum yield strength at 420 Mpa.When rolling steel plate LR A420,low temperature impacting test shall be done at zero centigree.

Technical Requirements & Additional Services for LR A420 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 A420 shipbuilding structual steel:

Yield strength (≥Mpa)	Tensile strength (Mpa)	Impacting test
420	530-680
		0 Centigrade

►Chemical composition for LR Grade A420 ship steel (Heat Analysis Max%)

Main chemical elements composition of LR Grade A420
C	Si	Mn	P	S	N
0.21	0.55	1.70	0.035	0.035	0.02