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low alloy steel plate
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Item
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low alloy steel plate
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Standard
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GB/T16270
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Thickness
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3-400mm
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Width
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100-4800mm
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Length
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100mm-25000mm
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Surface
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Black painted,PE coated,Galvanized,color coated,etc
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Delivery States
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Heat treatment facilities for hot-rolled, controlled rolling, normalizing, annealing, tempering,
quenching, normalizing plus tempering, quenching and tempering,
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and other delivery states are
available as customers’ requirement.
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Tests
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HIC, SSC, SPWHT, Macrostructure, detection of defects,Hardness and DWTT test and
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en10204/3.1 certificate are also available.
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Package
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Standard export seaworthy package,suit for all kinds of transport,or as required.
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Container
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20ft GP:5898mm(Length)x2352mm(Width)x2393mm(High)
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Size
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40ft GP:12032mm(Length)x2352mm(Width)x2393mm(High)
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40ft HC:12032mm(Length)x2352mm(Width)x2698mm(High)
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Bulk Size
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Any size
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Price term
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Ex-Work,FOB,CNF,CFR,CIF,etc
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Export to
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Ireland,Singapore,Indonesia,Ukraine,Saudi Arabia,Spain,Canada,USA,
Thailand,
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Brazil,
Korea,Iran,India,Egypt,Oman,Malaysia,Angola,etc
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Application
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Widely
appplied in wind power, bridges, vehicles, ships,
construction, pressure vessel and so on.
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Contact
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Process
Flow
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Chemical composition and Mechanical performance
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C
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Mn
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Si
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P
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S
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V
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Nb
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Ti
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Al
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Cr
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Ni
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Q420
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A
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≤0.20
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1.00~1.70
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≤0.55
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≤0.045
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≤0.045
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0.02~0.20
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0.015~0.060
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0.02~0.20
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-
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≤0.40
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≤0.70
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B
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≤0.20
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1.00~1.70
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≤0.55
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≤0.040
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≤0.040
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0.02~0.20
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0.015~0.060
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0.02~0.20
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-
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≤0.40
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≤0.70
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C
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≤0.20
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1.00~1.70
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≤0.55
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≤0.035
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≤0.035
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0.02~0.20
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0.015~0.060
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0.02~0.20
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≥0.015
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≤0.40
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≤0.70
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D
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≤0.20
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1.00~1.70
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≤0.55
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≤0.030
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≤0.030
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0.02~0.20
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0.015~0.060
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0.02~0.20
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≥0.015
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≤0.40
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≤0.70
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E
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≤0.20
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1.00~1.70
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≤0.55
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≤0.025
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≤0.025
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0.02~0.20
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0.015~0.060
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0.02~0.20
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≥0.015
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≤0.40
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≤0.70
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Brand
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Grade
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Yield point σs,MPa
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Tensile strength
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Elongation
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Longitudinal impact strength,AkV,J(°C)
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180° Bending test
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σb
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δ5
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d=Diameter of apex
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≤16
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>16-35
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>35-50
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50~100
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MPa
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%
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20
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0
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-20
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-40
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a=Specimen thickness
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Not less than
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Not less than
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≤16
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>16
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Q420
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A
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520~680
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18
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2a
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3a
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B
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18
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34
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2a
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3a
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C
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420
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400
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380
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360
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19
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34
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2a
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3a
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D
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19
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34
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2a
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3a
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E
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19
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27
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2a
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3a
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