KR Grade A,KR A

KR Grade A,KR A,KR A steel plate is common strength shipbuilding plate which is mainly used for built hull of vessels,ship body construction.Ship plate KR Grade A is the Hull structural steel,with it's good toughness properties, higher strength,strong corrosion-resistance,the processing properties,and welding properties.In the steel standard ASTM A131/A131M,offshore steel grade ASTM A131 Grade A is the best equvialent steel grade with KR Grade A. 

Technical Requirements & Additional Services for KR A 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 KR Grade A shipbuilding structual steel:

Yield strength (≥Mpa)	Tensile strength (Mpa)	Elongation in ≥,%
235	400-520	200mm	50mm
		21	24

►Chemical composition for KR Grade A ship steel (Heat Analysis Max%)

Main chemical elements composition of KR Grade A
C	Si	Mn	P	S
0.21	0.50	2.5×C	0.035	0.035