GB6653 gas cylinder steel coil / sheet

GB6653 gas cylinder steel coil / sheet is hot rolled steel in the form of plates, sheets & strips for general gas cylinder applications. GB6653 gas cylinder steel coil / sheet main grades are: HP235, HP265, HP295, HP325, HP345.

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Steel Properties

GB6653 gas cylinder steel coil / sheet chemical composition:

Grade	C max.	Si max.	Mn	P max.	S max.	Nb max.	V max.	Ti max.	Bb+V max.	Al min.
HP235	0.16	0.10	0.80	0.025	0.012	0.05	0.10	0.06	0.12	0.015
HP265	0.18	0.10	0.80	0.025	0.012	0.05	0.10	0.06	0.12	0.015
HP295	0.18	0.10	1.00	0.025	0.012	0.05	0.10	0.06	0.12	0.015
HP325	0.20	0.35	1.50	0.025	0.012	0.05	0.10	0.06	0.12	0.015
HP345	0.20	0.35	1.50	0.025	0.012	0.05	0.10	0.06	0.12	0.015

GB6653 gas cylinder steel coil / sheet mechanical properties:

GB6653	Yield strength	Tensile strength	Elongation (%) min.
Grade	(Mpa) min.	(Mpa) min.	T<3mm	T≥3mm
HP235	235	380-500	23	29
HP265	265	410-520	21	27
HP295	295	440-560	20	26
HP325	325	490-600	18	22
HP345	345	510-620	17	21

GB6653 steel equivalent grades:
Warning! Only for reference

China	Japan	Europe	Germany	France	England	Italy	Spain
GB	JIS	EN	DIN,WNr	AFNOR	BS	UNI	UNE
HP265	SG255	P245NB (1.0111)	HI	BS1	TypeA	FeE24KR	AE235KR
HP295	SG295	P265NB (1.0423)	HII	BS2	TypeB	FeE27KR	AE265KR
HP325	SG325	P310NB (1.0437)	1.0437 17Mn4 ASt41	A42FP1 BS3	224-400 TypeC	Fe410-2KG FeE31KR	AE345KR
HP345	SG365	P355NB (1.0557)	19Mn6	BS4	TypeE	FeE35KR

Application

GB6653 gas cylinder steel coil / sheet application:
GB6653 gas cylinder steel coil / sheet is widely used in petroleum, chemical industry, power station, boiler, etc, used to make the reactor, heat exchanger, separator, spherical tank, liquefied gas, nuclear reactor pressure vessel, boiler steam drum steam, liquefied petroleum, hydropower station, high pressure pipe, spiral case and other equipment and components.

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