Accreditation Administration System:
LR A shall be rolled completely under LR (Lloly’s Register) rule.Excepting the additional
agreement among the buyer,mill and ship inspector,all the rolling progress must follow the
below properties.
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: 8-600MM LR A LR B LR D LR E Chemical Composition % ≤ C 0.21 0.21 0.21 0.18 Mn(≥) 2.5*C 0.80 0.60 0.70 P 0.035 0.035 0.035 0.035 S 0.035 0.035 0.035 0.035 Si 0.50 0.35 0.10- 0.35 0.10- 0.35 Al (acid) 0.035 0.035 0.035 0.035 Mechanical Property ≥ Yield Strength (Mpa) 235 235 235 235 Tensile Strength (Mpa) 400-520 400-520 400-520 400-520 Impacting Test temperature (℃) 20 0 -20 -40 Mark LR/A LR/B LR/D LR/E
H:Heat Analysis. P:Product Analysis
