Carbon Steel Round Bar
🔥 CARBON & ALLOY STRUCTURAL ROUND BAR GRADES
🇨🇳 Carbon Steel:
AISI 1045 / S45C
AISI 1020 / S20C
ASTM A36 / Q235B
⚡ High-Tensile Alloy:
AISI 4140 / 42CrMo4
AISI 4340 / 34CrNiMo6
AISI 5140 / 40Cr
📊 Condition & Process:
Hot Rolled / Forged
Cold Drawn (h9/h11)
QT (Quenched & Tempered)
💡 If your project blueprints or infrastructure bids require these specific structural sections, we have ready inventory for immediate global shipping.
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