GB/T16270 steel plate - carbon and low alloy high strength steel

GB/T16270 steel plate is Chinese GB standard high strength low alloy structural steel. GB/T16270 steel plate is quenched and tempered steel plate with high yield strength and tensile strength. GB/T16270 covers steel grades: Q460C, Q460D, Q460E, Q690C, Q690D, Q690E, etc.

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Steel Properties

GB/T16270 steel plate chemical composition:

Grade	C	Si	Mn	P	S	Cu	Cr	Ni	Mo	B	V	Nb	Ti
Q460C	0.2	0.8	1.7	0.025	0.015	0.5	1.5	2	0.7	0.005	0.12	0.06	0.05
Q460D	0.2	0.8	1.7	0.025	0.015	0.5	1.5	2	0.7	0.005	0.12	0.06	0.05
Q460E	0.2	0.8	1.7	0.02	0.01	0.5	1.5	2	0.7	0.005	0.12	0.06	0.05
Q690C	0.2	0.8	1.8	0.025	0.015	0.5	1.5	2	0.7	0.005	0.12	0.06	0.05
Q690D	0.2	0.8	1.8	0.025	0.015	0.5	1.5	2	0.7	0.005	0.12	0.06	0.05
Q690E	0.2	0.8	1.8	0.02	0.01	0.5	1.5	2	0.7	0.005	0.12	0.06	0.05

GB/T16270 steel plate mechanical properties:

Grade	Yield strength Mpa			Tensile strength Mpa			Elongation
Grade	≤50	50-100	100-150	≤50	50-100	100-150	Elongation
Q460C	460	440	400	550-720		500-670	17
Q460D	460	440	400	550-720		500-670	17
Q460E	460	440	400	550-720		500-670	17
Q690C	690	650	630	770-940	760-930	710-900	14
Q690D	690	650	630	770-940	760-930	710-900	14
Q690E	690	650	630	770-940	760-930	710-900	14

GB/T16270 steel equivalent grades:

EN	DIN	JIS	AFNOR	BS	EN	UNI	ISO
S460N	StE460	SM520B	E460R	55C	FeE460KGN	FeE460KGN	E460

Application

GB/T16270 steel plate application:
China GB/T16270 steel plate is used in construction of bridges, highway construction and other engineering construction. Such as hydraulic support, port crane, flatbed transporter and so on.

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