Extra High-tensile Strength Steel Plate

Category: ship and ocean engineering structural steel, marine steel, shipbuilding steel, hull steel

Delivery condition:As Rolled, Cold Rolled, Q&T, Normalized or TMCP

Z-direction test: Z15, Z25, Z35

Delivery time: Prompt(stock) or 10-40 working days(production)

Tel: 0086-21-61182423

Introduction

Extra-high tensile strength steel is hull structural steel for extra-high strength ship and ocean engineering application. It has good toughness properties, higher strength, strong corrosion-resistance, the processing properties, and welding properties. This kind of steel can be used in the manufacture of the ocean ship's hull structure whose weight is above 10000 tons.

Specification

Standard: ASTM A131, GB 712-2011

Certification: ABS, BV, CCS, DNV, GL, KR, LR, NK, RINA

Grades: A420/AQ43, D420/DQ43, E420/EQ4, F420/FQ43, A460/AQ47, D460/DQ47, E460/EQ47, F460/FQ47, A500/AQ51 D500/DQ51, E500/EQ51, F500/FQ51, A550/AQ56, D550/DQ56, E550/EQ56, F550/FQ56, A620/AQ63, D620/DQ63, E620/EQ63/EH62/E63, F620/FQ63, A690/AQ70, D690/DQ70, E690/EQ70, F690/FQ70

Dimension: Thickness: 3-150mm; Width: 1220-4200mm; Length: 5000-18000mm

Application: extra-high strength ships and ocean engineering structural steel

Parameters

Chemical Composition (%)

Grade	C max	Si	Mn max	P max	S max	Als	N max	Nb max	V max	Ti max	B max
420	0.21	0.10-0.55	1.7	0.030	0.030	0.015-0.08	0.20	0.02-0.05	0.04-0.10	0.02	0.005
460	0.21	0.10-0.55	1.7	0.030	0.030	0.015-0.08	0.20	0.04-0.10	0.04-0.10	0.02	0.005
500	0.21	0.10-0.55	1.7	0.030	0.030	0.015-0.08	0.20	0.04-0.10	0.04-0.10	0.02	0.005
550	0.21	0.10-0.55	1.7	0.030	0.030	0.015-0.08	0.20	0.02-0.05	0.04-0.10	0.02	0.005
620	0.21	0.10-0.55	1.7	0.030	0.030	0.015-0.08	0.20	0.02-0.05	0.04-0.10	0.02	0.005
690	0.21	0.10-0.55	1.7	0.030	0.030	0.015-0.08	0.20	0.02-0.05	0.04-0.10	0.02	0.005

Mechanical Property

Grade	Mechanical Property			Charpy V Impact Test
Grade	Yield Min Mpa	Tensile Mpa	Elongation Min %	Degree	Energy 1 (J)	Energy 2(J)
420	420	530-680	18%	0 / -20 / -40 / -60	28	42
460	460	570-720	17%	0 / -20 / -40 / -60	31	46
500	500	610-770	16%	0 / -20 / -40 / -60	33	50
550	550	670-830	16%	0 / -20 / -40 / -60	37	55
620	620	720-890	15%	0 / -20 / -40 / -60	41	62
690	690	770-940	14%	0 / -20 / -40 / -60	46	69

Classification Society Grades

Classification Society Standard
ABS	BV	CCS	DNV	GL	KR	LR	NK	RINA
ABS AQ43	BV AH420	CCS AH420	DNV A420	GL A420	KR AH43	LR AH42	KA43	RINA A420
ABS DQ43	BV DH420	CCS DH420	DNV D420	GL D420	KR DH43	LR DH42	KD43	RINA D420
ABS EQ43	BV EH420	CCS EH420	DNV E420	GL E420	KR EH43	LR EH42	KE43	RINA E420
ABS FQ43	BV FH420	CCS FH420	DNV F420	GL F420	KR FH43	LR FH42	KF43	RINA F420
ABS AQ47	BV AH460	CCS AH460	DNV A460	GL A460	KR AH47	LR AH46	KA47	RINA A460
ABS DQ47	BV DH460	CCS DH460	DNV D460	GL D460	KR DH47	LR DH46	KD47	RINA D460
ABS EQ47	BV EH460	CCS EH460	DNV E460	GL E460	KR EH47	LR EH46	KE47	RINA E460
ABS FQ47	BV FH460	CCS FH460	DNV F460	GL F460	KR FH47	LR FH46	KF47	RINA F460

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Classification Society

CONTACT US: Tel: 0086-21-61182423; Fax: 0086-21-61182425; E-Mail: [email protected]; Skype: shanghai.katalor; Address: Address:Unit 6, lane 2500, xiupu Road, Kangqiao Industrial Area, Pudong New District, Shanghai