LR FH40 shipbuilding steel plate

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10-May-2024

LR FH40 shipbuilding steel plate is a kind of hot rolled high tensile strength steel. The LR shipbuilding steel plates have yield strength of 56,500 psi (390 MPa), and ultimate tensile strength of 74,000 - 94,500 psi (510-650 MPa). LR FH40 steel can achieve the impact toughness at Celsius degree -60°. All the LR FH40 shipbuilding steel plate offered by KUNFENG Industry can be certificated by Lloyd’s Register of Shipping (LR).

The application of LR FH40 shipbuilding steel plate

LR FH40 shipbuilding steel plate are mainly used for making the offshore oil drilling platform, the hull of ship building and ship repairing, the platform pipe joints and other components.

The rolling size of LR FH40 shipbuilding steel plate

Thickness	3-150mm
Width	1220-4200mm
Length	5000-18000mm

Notes: coil thickness ≤ 25mm

LR FH40 shipbuilding steel plate Chemical Composition

LR Grade FH40

Grade	C %	Si %	Mn %	P %	S %	V %	AL %	Cr %
0.160	0.1-0.5	0.90-1.6	0.025	0.025	0.05-0.10	0.015	0.200
Cu %	Mo %	Nb %	Ni %	Ti %	N%
0.350	0.080	0.02-0.05	0.800	0.020	0.009

LR FH40 shipbuilding steel plate Mechanical Properties

Grade	Thickness(mm)	MinYield(Mpa)	Tensile(Mpa)	Elongation (%)	Min Impact Energy
LR Grade FH40	8mm-50mm	Min 390Mpa	510-650Mpa	20%	-60	34J
	51mm-70mm	Min390Mpa	510-650Mpa	20%	-60	41J
	71mm-100mm	Min 390Mpa	510-650Mpa	20%	-60	50J
The min impact energy is longitudinal energy

If you need LR FH40 shipbuilding steel plate stock or LR FH40 shipbuilding steel plate machining service , you can contact with KUNFENG, we can make the LR FH40 shipbuilding steel plate quotation according to your demands