cold drawn steel bar/steel flat bar Cold Drawn Hexagonal Steel BarGeneral ShapeRound, Square, Flat, HexagonGrade S40C 1040 1018 1020/S20C SS400 A105 ASTM A36 Q235BToleranceH9 H10 H11 or common tolerance for hot rolledApplicationCase hardened parts where core strength is not critical. Widely us......
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