NK Grade DH32,NK DH32

NK Grade DH32,NK DH32,NK DH32 steel plate is mainly used to build vessels which are sailing in low temperature oceans.When rolling NK Grade DH32, TMCP or Normalized shall be done for heat treatment,and low temperature impacting test have to be done under minus 20 centigree.For improve the thickness-direct steel property for shipbuilding steel plate NK Grade DH32,Z-test for NK Grade DH32 is also necessary,our customers can choose three different classes,Z15,Z25 and Z35.

Technical Requirements & Additional Services for NK DH32 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 DH32 shipbuilding structual steel:

Yield strength (≥Mpa)	Tensile strength (Mpa)	Elongation in ≥,%
315	440-590	200mm	50mm
		19	22

►Chemical composition for NK Grade DH32 ship steel (Heat Analysis Max%)

Main chemical elements composition of NK Grade DH32
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