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ANSWER: JIS G 3135 SPFC340H steel is cold rolled or cold reduced high strength steel sheet or steel strip with improved formability for automobile use.
JIS G 3135 is Japanese industrial standard specifications the cold rolled high strength steel sheets with improved formability principally used for structure of automobile.
SPFC340H applied thickness is 0.8 and over to 2.0mm . SPFC340H is a Baking hardened type quality use steel material The yield strength of SPFC340H is min 185MPa, tensile strength is min 340MPa, Elongation is min 35%, Bake hardening amount is 30MPa
