DNV Grade AH40,NV A40

DNV Grade AH40,NV A40,DNV AH40 steel plate which is the similar with ABS Grade AH40,LR Grade AH40,GL Grade AH40,NK Grade AH40,BV Grade AH40,CCS Grade AH40,RINA Grade AH40,KR Grade AH40.These Grade AH40 are the same and owned higher steel strength at minimum yield strength 390 Mpa and with tensile strength within 510-650 Mpa.Done low temperature impacting test for DNV Grade AH40 under zero centigree when supplying.

Technical Requirements & Additional Services for DNV 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 DNV Grade AH40 shipbuilding plate:

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

►Chemical composition for DNV Grade AH40 ship plate (Heat Analysis Max%)

Main chemical elements composition of DNV 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