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Bridge Steel
Q370Q is a high-strength low-alloy steel plate with excellent strength, toughness, and weldability.
Q500C Steel Plate are used in Construction of Bridges, Highway Construction and Other Engineering construction
Q500E Hot Rolled steel plate is mainly made mechanical device and other structural elements and so on drilling machine, power shovel, electricity drive wheel counter- mine trolley, mineral product automobile, excavator, car loader.
Q500F steel plate
High strength low alloy structural steel plate Q420C owned the minimum yield point above 420 Mpa for the thickness equal or belows 16mm,and tensile strength shall be within 520-680 Mpa.Normlised Q420C is mainly for heavy steel plate for improve the steel property when rolling.
GB/T1591 Q420 contains five different steel grades as Q420A,Q420B,Q420C,Q420D and Q420E.Structural steel Q420D shall be done impacting test at low temperature minus 20 degree centigrade.Normalised heat treatment suggested to be done for low alloy steel plate Q420D in heavy thickness.
Q420E high strength low alloy structural steel owned minimum tensile strength at 520 Mpa and minimum yield strength at 420 Mpa for thickness equal or belows 16 millimeters.When rolling steel plate Q420E,the impact test shall be done at minus 40 centigrade.
Q500D Steel Plate are used in Construction of Bridges, Highway Construction and Other Engineering construction
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