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42CrMo B7 4140 4145h 5140 Polished Alloy Steel Bar

2025-04-13 introduction 4660
alloy steel bar
Alloy Steel Bar
AISI, ASTM, DIN, JIS, GB
Ferrous Steel Scrap
Cold Drawn
Bar
Polished
High-strength Steel Plate, Cold Heading Steel
Structural Steel Bar
4140 4142 B7 B16 5140 1020
Qt/Qt+Cold Dawn/Cold Drawn
H10,H11,H9
Fanstner
Threaded Bar
customized
Anti-Rust Packaging
5mm-310mm
China
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