LR AH32, one kind of High strength shipbuilding steel plates, after the third party Lloyd’s
Register’s inspection for the whole production lines and processing,then stamped and endorse.
Adopting standard: LR
Relative Grades:LR A|LR B|LR D|LR E|LR AH32|LR AH36|LR AH40|LR DH32|LR DH36|LR DH40|LR EH32
|LR EH36|LR EH40|LR FH32|LR FH36|LR FH40
Property Data:
LR Grade T: 8-300MM LR AH32 LR DH32 LR EH32 LR FH32 Chemical Composition % ≤ C 0.18 0.16 Mn 0.9-1.60 P 0.035 0.025 S 0.035 0.025 Si 0.50 Al (acid) ≥ 0.015 Nb 0.02-0.05 V 0.03-0.10 Ti 0.02 Ni 0.40 0.80 Cu 0.35 Cr 0.20 Mo 0.08 N 0.009 Mechanical Property ≥ Yield Strength (Mpa) 315 315 315 315 Tensile Strength (Mpa) 440-590 440-590 440-590 440-590 Impacting Test temperature (℃) 0 -20 -40 -60 Mark LR/A32 LR/D32 LR/E32 LR/F32
H:Heat Analysis. P:Product Analysis
NOTE:For providing the better property in impacting test, the mill can offer Z Test for LR
AH32 plates including Z15,Z25 and Z35 three different classes.Z35 is best of all.