DNV Grade B,NV B

DNV Grade B,NV B,DNV B steel plate mainly used to build vessels which are sailing in common ocean waters at about zero centigree.Xinsteel Industrial foucs on supplying wide heavy shipbuilding plate of DNV Grade B,up to today,we can offer the maximum thickness for shipbuilding plate DNV Grade B shall be 300mm,and the maximum width shall be till 4200mm.This owned world-class property.For the thickness above 40mm,our engineers suggest customers accept doing Normalized heat treatment for DNV Grade B steel plates.

Technical Requirements & Additional Services for DNV B 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 B shipbuilding plate:

Yield strength (≥Mpa)	Tensile strength (Mpa)	Elongation in ≥,%
235	400-520	200mm	50mm
		21	24

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

Main chemical elements composition of DNV Grade B
C	Si	Mn	P	S
0.21	0.35	0.80	0.035	0.035