NK Grade D Steel Plates, Sheets

NK Grade D steel is available in shipbuilding steel plate, steel sheets, angle steel bar, bulb flat bar, L section steel bar.
NK Grade D steel is a kind of high tensile strength marine steel. All of these steels have been engineered to be optimal long-lived shipbuilding steels. NK Grade D steel plates, sheets are mainly used for making the offshore oil drilling platform, the hull of ship building and ship repairing, the platform pipe joints and other components. NK Grade D shipbuilding Steel plates and sheets offered by Shanghai Industry can be certificated by Nippon Kaiji Kyokai (NK) ship class society as per customer's request.
NK Grade D Steel Chemical Composition(%)

Grade	C max	Si max	Mn	P max	S max	Als min
NK Grade D	0.21	0.35	0.60-1.20	0.035	0.035	0.015

CE: C+1/6Mn ≤ 0.40%
Cu ≤ 0.35%,Ni ≤ 0.30%
Mechanical Property in shipbuilding steel plate NK Grade D

Grade	Rm (MPa)	Re(MPa) min	A% min	Akv/J min
				E.T °C	Thickness (mm)
					≤ 50		>50-70		>70-100
					L	C	L	C	L	C
NK-D	400-520	235	22	-20	27	20	34	24	41	27

Delivery condition in shipbuilding steel plate NK Grade D

Grade	category	The thickness of steel
		≤ 12	>12.5-25	>25-35	>35-50	>50-100
D	Plate/sheet	A(50)			N(50) CR(50) TM(50)	N(50) TM(50) CR(25)
	Profile steel				N(50) CR(50) TM(50) AR*(25)	-

We can meet our customer’s any quantity request. Based on these stock source, our advantage industry spread into NK Grade D steel process like : cutting ( any size and any shape ) drilling, welding, milling, machining and steel structure.