GL Grade B Shipbuilding Steel Plate Quality Assurance

GL has normal strength, high strength and extra high strength steel plate for shipbuilding, onshore/offshore platform and other marine engineering. GL grade B  shipbuilding steel plates are used in manufacturing hull, maritime oil extraction drilling platform, platform tube junction and other structural components.

GL Grade B Shipbuilding Steel Plate Chemical Composition

SteelGrade	ChemicalComposition(%)
GLGradeB	C≤	Mn≥	Si≤	P≤	S≤	Grade
	0.21	0.80	0.35	0.035	0.035	GL-B

Mechanical Property of GL-B normal strength

Grade	Thickness	Yield Strength	Tensile Strength	Elongation	Charpy V Notch Impact Test
					Degree	Value 1	Value 2
GL/B	mm	Min Mpa	Mpa	Min %	0	J	J
	t≤50	235	400-520	22%		20	27
	50<t≤70	235	400-520	22%		24	34
	70<t≤100	235	400-520	22%		27	41
Note: Value 1 is transverse impact test, Value 2 is longitudinal

Equivalent steel grade of GL/B

LR	BV	ABS	CCS	KR	DNV	NK	RINA
LR B	BV/B	AB/B	CCS/B	KR/B	NV/B	NK/B	RI/B

GL B Shipbuilding Steel Plate Quality Assurance

Below inspection will be done in the production.
(1) ray detection---RT;
(2) ultrasonic testing---UT;
(3) Magnetic Particle Testing-MT;
(4) penetration testing-PT;
(5) eddy current flaw detection-ET

We are a trusted and reliable brand for our high quality and good manufacturing of GL Grade B Shipbuilding Steel Plate, Our company has been a manufacturer and exporter of GL Grade B Shipbuilding Steel Plate for decades, and has been sold all over the world with favorable price. As a responsible enterprise, we always stick to be your satisfying partner.

Company Name: Shanghai Katalor Enterprises
Address：Room 301,Unit 6,lane 2500,xiupu Road, Kang qiao Industrial Area, Pu dong New District, Shanghai
TEL:0086-21-61182423
Fax :0086-21-61182425
E-mail:info@katalor.com
Phone:0086-18317160019

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