Q460D Steel Round Bar

Q460D hot rolled steel round bars

GB/T1591 Q460 contains three different steel grades as Q460C,Q460D and Q460E.Structural steel Q460D shall be done impacting test at low temperature minus 20 degree centigrade.Normalised heat treatment suggested to be done for low alloy steel plate Q460D in heavy thickness,Quenched and tempered is also adopt when end users demand.

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Q460D hot rolled steel round bars information Chemical and Mechanical

Q460D hot rolled steel round bars information

Q460 steel is a Chinese steel grade of Low Alloy High Strength Structural Steel, Yield Strength is 460 MPa, data is tested with 16mm diameter steel bars or steel plates, tensile strength is 550-720 Mpa, test with steel bar Ø≤40mm.For Q460 steel equivalent, chemical composition and mechanical properties, please see the tables below.

Chemical and Mechanical

Mechnical property for Q460D low alloy structural steel:

Thickness (mm)
Q460D	≤ 16	> 16 ≤ 35	> 35 ≤ 50	>50
Yield strength (≥Mpa)	460	440	420	400
Tensile strength (Mpa)	550-720

Chemical composition for Q460D low alloy structural steel (Heat Analysis Max%)

Main chemical elements composition of Q460D
C	Si	Mn	P	S	V	Nb	Ti	Al (min.)	Cr	Ni
0.20	0.55	1.00-1.70	0.030	0.030	0.02-0.20	0.015-0.060	0.02-0.20	0.015	0.70	0.70

Worldwide equivalents of grade Q460D (China: GB )

EU EN	Germany DIN,WNr	Japan JIS	France AFNOR	England BS	European old EN	Italy UNI	China GB	Russia GOST	Inter ISO
S460N (1.8901)	StE460	SM520B	E460R	55C	FeE460KGN	FeE460KGN	Q460D	18G2AF/18G2AFps	E460

Technical Requirements & Additional Services:
♦ Low temperature impacting test
♦ Cutting and welding as per end user’s demands
♦ More striction on some chemical elements contains
♦ Issued Orginal Mill test certificate under EN 10204 FORMAT 3.1/3.2
♦ Ultrasonic test under GB/T2970,JB4730,EN 10160,ASTM A435,A577,A578