NK Grade EH40,NK EH40

The highest tensile strength in normal shipbuilding steel,NK Grade EH40,NK EH40,NK EH40 steel plate is nromally used to build ships which are sailing in the bad surroudings,such as coldest ocean waters and the tough situiation.Icebreakers are the main end application for NK Grade EH40 marine steel plate.NK Grade EH40 can bear the tough ice pieces and low temperature ocean water owing it have to be done impacting test under minus 40 centigree when supplying.

Technical Requirements & Additional Services for NK EH40 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 NK Grade EH40 shipbuilding structual steel:

Yield strength (≥Mpa)	Tensile strength (Mpa)	Elongation in ≥,%
390	510-650	200mm	50mm
		19	22

►Chemical composition for NK Grade EH40 ship steel (Heat Analysis Max%)

Main chemical elements composition of NK Grade EH40
C	Si	Mn	P	S	Al (acid) min.	Nb
0.18	0.10-0.50	0.90-1.60	0.035	0.035	0.015	0.02-0.05
V	Ti	Cu	Cr	Ni	Mo
0.05-0.10	0.02	0.35	0.20	0.40	0.08