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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.

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 

Keywords: Q460D hot rolled steel round bars

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