LR AH40 shipbuilding steel

Posted:8/25/2014 2:00:20 AM

LR AH40 shipbuilding steel is a kind of  high tensile strength shipbuilding steel, and it is also the Hull structural steel. With its good toughness properties, higher strength, strong corrosion-resistance, LR AH40 shipbuilding steel plate is mainly used for making the offshore oil drilling platform, the hull of ship building and ship repairing, the platform pipe joints and other components.

Steel Name: LR AH40 shipbuilding steel plate, LR AH40 shipbuilding steel sheet, LR AH40 steel plate, LR AH40 steel sheet, LR Grade AH40 marine steel plate
 
LR AH40 shipbuilding steel plate specification:
Steel Grade: AH40   Steel Standard: Lloyd’s Register (LR)
Thickness:2mm-350mm, Width:1200mm-4200mm, Length:3000mm-18000mm      

LR AH40 shipbuilding steel surface treatment: Shot blasting and painting or coated.

LR AH40 chemical composition:

Grade	C  max	Si  max	Mn	P  max	S  max	Als  min	Ti  max	Cu max	Cr max	Ni max	Mo max	Nb	V
AH40	0.18	0.50	0.90-1.60	0.035	0.035	0.015	0.02	0.35	0.20	0.40	0.08	0.02-0.05	0.05-0.10

LR AH40 mechanical property:

LR AH40 shipbuilding steel plate
Grade		LR AH40 Mechanical Property			LR AH40 Charpy V Impact Test
	Thickness	Yield	Tensile	Elongation	Degree	Energy 1	Energy 2
LR AH40	mm	Min Mpa	Mpa	Min %	0	J	J
	t≤50	390	510-650	20%		26	39
	50��t≤70	390	510-650	20%		31	46
	70��t≤100	390	510-650	20%		37	55
Note: Energy 1 is transverse impact test, Energy 2 is longitudinal

LR AH40 shipbuilding steel plate main application:
LR AH40 shipbuilding steel plate is mainly used for building decks of ships, vessels and boats, other normal repairing works in shipyards.

LR AH40 shipbuilding steel additional condition :
UT (Ultrasonic examination), AR(As Hot Rolled only), TMCP(Thermal Mechanical Control Processing), N(Normalized), Q+T(Quenched and Tempered), Z Direction Test(Z15,Z25,Z35), Charpy V-Notch Impact Test, The Third Party Test (such as SGS Test), Coated or Shot Blasting and Painting.

If you are interested in our LR AH40 shipbuilding steel products, please feel free to contact us. Your enquiry are highly appreciated, and we will give you a quotation upon receiving your detailed requirements.

Reference Links:    Corten steel         Boiler steel plate         Heavy steel plate