Grade Q460D
Corresponding Standard GB /T 1591-1994
High Strength Low Alloy Structural Steels
Classification Alloy Steel
Q460D Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni Cu * Ti V Nb Al
Minimum Value - - 1 - - - - - 0.02 0.02 0.015 0.015
Maximum Value 0.2 0.55 1.7 0.03 0.03 0.7 0.7 0.3 0.2 0.2 0.06 -
Q460D Mechanical Properties
thickness
t
mm
Test Temperature Tensile Strength
σb
Mpa
Yield Point
σs
Mpa
Elongation or Extension Rate
δ
%
Impact Energy Absorption
KV2
J
t≤16 Room Temperature 550~720 ≥460 ≥17
16<t≤35 550~720 ≥440 ≥17
35<t≤50 550~720 ≥420 ≥17
50<t≤100 550~720 ≥400 ≥17
specimen -20°C ≥34
New and Old Grade Replacement List
Corresponding Standard Grade
GB /T 1591-1994
Grade
GB /T 1591-2008
Grade
China ISC
GB /T 1591-2018
Grade
Corresponding Standard Grade
GB /T 1591-1994
Grade
GB /T 1591-2008
Grade
China ISC
GB /T 1591-2018
Grade
1 Approximate Comparison Table Structural, Pressure Vessel and Engineering Steels
China Japan International Organization for Standardization Germany France European Standard Russia United Kingdom
GB JIS ISO DIN EN/DIN NF EN/NF EN Numerical Grade GOST BS EN/BS
Q460D SM520B E460 StE460 E460R S460N
FeE460KGN①
1.8901 18G2AF
18G2AFps
55C
2 Approximate Comparison Table High strength structural steel plates in the quenched and tempered condition
China International Organization for Standardization European Standard
GB ISO EN
Q460QD
GB/T 16270-2009
Q460D
GB/T 16270-1996
E460DD
ISO 4950.3-2003
S460Q
EN 10025-6-2004
3 Approximate Comparison Table High strength structural steel plates in the quenched and tempered condition
China International Organization for Standardization
GB ISO
Q460QD
GB/T 34560.4-2017
Q460D
GB/T 16270-2009
S460QD
ISO 630-4-2012
Q460D Corresponding Standards(Same grade name, different standards)

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