RINA Grade B shipbuilding steel plate

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10-May-2024

RINA Grade B shipbuilding steel plate is a kind of hot rolled general tensile strength steel. The RINA Grade B shipbuilding steel plates have yield strength of 34,100 psi (235 MPa), and ultimate tensile strength of 58,000 - 75,500 psi (400-520 MPa). RINA steels come 4 grades in ordinary-strength steel for shipbuilding and RINA Grade B shipbuilding steel plate is one of them.

The application of RINA Grade B shipbuilding steel plate

RINA Grade B shipbuilding steel plates can be used for ship repairing, the offshore oil drilling platform, the platform pipe joints and other components.

RINA Grade B shipbuilding steel plate Chemical Composition Heat Analysis

Element	RINA Grade B Max %	Element	RINA Grade B max %
C	0.21	Ni	-
Mn	0.80	Mo	-
Si	0.35	Al	-
S	0.035	Nb	-
P	0.035	V	-
Cu	-	Ti	-
Cr	-	N	-

RINA Grade B shipbuilding steel plate Steel Mechanical Properties

Grade	Thickness	Yield Strength	Tensile Strength	Elongation	Impact Energy
	(mm)	MPa (min)	MPa	% (min)	(KV J) (min)
					0 degree
RINA Grade B	4-260	235	400-520	22	27J

Note: the impact energy under less 50mm thickness

Rolling Size of RINA Grade B shipbuilding steel plate

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

Notes: coil thickness ≤ 25mm
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