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ANSWER: JFS A 1001 JSH440B steel is the hot rolled steel sheet and strip for automobile use .
JSH440B pickled steel is under the Japanese standard JFS A 1001. JSH440B high hole expansion ratio type automobile use steel is high hole expansion ratio quality, the thickness range of JSH440B is from 1.6mm to 6.0mm. The Carbon chemical composition of JSH440B is max 0.25%. The tensile strength of JSH440B steel is min 440 MPa. The yield strength of JSH440B steel is 265MPa to 410MPa, The elongation of JSH440B steel is min 28%.
There are three different surface finish of the JSH440B steel: B ( As hot rolled), P (pickling), S ( Shot blasting)