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5140 B7 4140 4340 Cold Drawn Alloy Steel Round Bar

2025-04-13 introduction 4850
steel bar
Round
AISI, ASTM, DIN, JIS, GB
Alloy Steel or Carbon Steel
Hot Rolled or Cold Drarwn
Bar
Polished
Cold Heading Steel, Free Cutting Steel
Structural Steel Bar
10mm-130mm
20mm-310mm
200mm-1000mm
Qt/Annealed/Nomalized
Cold Drawn+Smoothly/Peeled+Polished/Black
30days
customized
Anti-Rust Packaging
diameter: 10mm-300mm
China
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