GL Grade AH40,GL AH40

GL Grade AH40,GL AH40,GL AH40 steel plate is similar with ABS Grade AH40,LR Grade AH40,DNV Grade AH40,NK Grade AH40,BV Grade AH40,CCS Grade AH40,RINA Grade AH40,KR Grade AH40 which 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 GL Grade AH40 under zero centigree when rolling.

Technical Requirements & Additional Services for GL 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 GL Grade AH40 shipbuilding structual steel:

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

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

Main chemical elements composition of GL 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