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Grade20Cr,40Cr,20CrMo,35CrMo,42CrMo,40CrNiMo,etc.Steel Grade20Cr,40Cr,20CrMo,35CrMo,42CrMo
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Tolerance±1%Model NumberQ195,Q235,10#,20#,35#,45#,Q215,Q345
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Alloy Or NotNon-AlloyApplicationBuilding materials, mechanical equipment parts,etc.
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Delivery Time15-21 daysProcessing ServiceWelding, Cutting
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Special UseMold SteelStandardAiSi, ASTM, bs, DIN, GB, JIS
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TechniqueHot Rolled/Cold DrawnTypeAlloy Steel Bar
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Product NameCarbon Steel Round BarLength1-12m/customized
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Diameter6.5-500mmAdvantageFast Delivery
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Surface TreatmentMild Steel Plain Finish or CustomizedPayment terms30%TT Advance + 70% Balance
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MaterialQ235/Q345/SS400/ST37-2/ST52/Q420/Q460/S235JR/S275JR/S355JRSurfaceBlack Pickled HL Brushed Polished
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Price TermEXW FOB CIF CRFDelivery conditionWithin15 Days
Round steel bar is presented for mechanical-equipment parts and building-material inquiries. Confirm one exact grade and delivered diameter for the required workpiece.
Select a single material specification
The title and body name multiple alloy and carbon-steel grades. Specify the required designation and standard rather than treating AISI 4140, 1045, 20Cr or the other names as interchangeable materials.
- The actual Dimensions option says Diameter 6.5-480mm.
- Hot Rolled and Cold Drawn are described routes.
- Cutting and welding are identified processing services.
Agree the bar dimensions
The title gives 10-300mm, while the body includes 6.5-500mm and lengths of 1-12m or customized. Request the exact available diameter, cut length and tolerance for the chosen alloy before placing a machining order.
Confirm the delivered condition
State the required surface and material condition, and request corresponding mill documents. The mixed grade and surface descriptions do not establish one universal stock specification, a guaranteed delivery schedule or structural-design approval.





