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Hull Structural Steel Plates

Category: Shipbuilding

Production Range (unit: mm)

ClassificationMax. ThicknessMechanical/Chemical

Grade \ Classification Society [CS]	Non – TMCP		TMCP
	Normal Strength	High Strength	Normal Strength	High Strength			Low Temperature Service
	A, B, D, E	AH32~EH32 AH36~EH36	A, B, D, E	AH32~EH32 AH36~E36	AH40~EH40	EH47	Different Standards per CS
ABS [USA]	100	83	100	100	100	80	VH-060 (50)
LR [UK]	100	90	100	100	100	80	LTFH36 (50)
GL [Germany]	100	90	100	100	100	80	–
BV [France]	100	90	100	100	100	80	460LF (40)
DNV [Norway]	100	90	100	100	100	80	4-4 (50)
NK [Japan]	100	83	100	100	100	80	KL37 (40)
RINA [Italy]	100	90	100	100	100	–	460LF (40)
KR [Korea]	100	83	100	100	100	80	RL37 (50)
CR [Taiwan]	100	90	100	100	100	–	–
CCS [China]	100	90	100	100	100	–	–
RS [Russia]	100	100	100	100	100	–	–

Unit: max.thickness(mm)

MECHANICAL PROPERTIES
Grade	Yield Point (MPa)	Tensile Strength (MPa)	Elongation (%) 5.65√Sº	Average Absorbed Energy Longitudinal (Joule)
Grade	Yield Point (MPa)	Tensile Strength (MPa)	Elongation (%) 5.65√Sº	t ≤ 50	50 ≤ t ≤ 70	70 ≤ t ≤ 100
A, B, D, E	≥ 235	400~520	≥ 22	≥ 27	≥ 34	≥ 41
AH~EH32	≥ 315	440~570 (440~590)¹	≥ 22	≥ 31	≥ 38	≥ 46
AH~EH36	≥ 355	490~630	≥ 21	≥ 34	≥ 41	≥ 50
AH~EH40	≥ 390	510~660	≥ 20	≥ 39	≥ 46	≥ 55
EH47²	≥ 460	570~720	≥ 17		≥ 64

1. ABS, CCS, LR, NK
2. ABS draft rule (Nov. 2008)

1. One or more grain refining elements should be added (AI, Nb, V and others)
Ceq AH32~EH32≤0.38, AH36~EH36≤0.40, AH40~EH40≤0.42