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ANSWER: JIS G 3101 steel specification is the hot rolled carbon steels to be used for bridges ships,rolling stocks, petroleum storage tanks containers and other constructions that are required superiority in weldability.
The applicable thickness of SM490YA steel strip is not more than 100mm
SM490YA steel delivery under steel plates, steel strip, section steel and flat steel condition.
SM490YA hot rolled steel for welded structural use is under the Japanese standard JIS G 3106. The Carbon chemical composition of SM490YA in standard is not more than 0.20%. Carbon equivalent Of SM490YA is ≤0.38% (≤50mm); ≤0.40% (above 50mm-100mm)
The Elongation rate of SM490YA is above 15%, Yield strength is above 325MPa, tensile strength is 490-610MPa.
