NK Grade AH40,NK AH40

Shipyards use shipbuilding steel plate NK Grade AH40 to construct tanks and vessels in ships cause NK Grade AH40 ship plate owned the higher yield strength and tensile strength. We owned tens of stock warehouses in port cities in China,there are thousands tons of shipbuilding steel plate and sheet and angles and buld flats in stock which are ready to ship on board.Different thicknesses,width mainly in 2000-2500mm,length mainly in 6000-12000mm for steel plate NK Grade AH40.

Technical Requirements & Additional Services for NK AH40 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 AH40 shipbuilding structual steel:

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

►Chemical composition for NK Grade AH40 ship steel (Heat Analysis Max%)

Main chemical elements composition of NK Grade AH40
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