Carbon Steel Round Bar Supplier
Bao Steel (Qingdao) Co., Ltd. supplies carbon steel round bar for shafts, pins, fasteners, machined parts, tooling blanks, machinery components and general fabrication. We support grade confirmation, diameter selection, surface condition review, cut-to-length processing, MTC documents, bundle packing and export shipment coordination.
Carbon Steel Round Bar Stock, Surface Finish and Warehouse Handling
Real round bar stock photos help buyers confirm diameter range, surface condition, bundle packing, warehouse handling and export readiness before ordering. Round bar stock photos help buyers check diameter range, surface condition, bundle packing, label details and export readiness before placing an order.
Hot Rolled Round Bar Stock
Show carbon steel round bar bundles, black surface, diameter labels and warehouse storage.
Cold Drawn Carbon Steel Bar
Show cold drawn round bars with cleaner surface, tighter tolerance appearance and straight bar storage.
Peeled / Bright Bar
Show peeled or bright carbon steel bars prepared for machining, shafts and precision components.
Warehouse Bar Inventory
Show organized round bar stock, bundle labels, lifting space and export-ready inventory condition.
Choose the Carbon Steel Round Bar Type You Need
Carbon steel round bar quotation depends on grade, diameter, length, surface condition, tolerance, heat treatment, processing requirement, quantity, packing and destination. Select the bar type first, then send detailed specifications for quotation review.
Hot Rolled Carbon Steel Round Bar
For general shafts, pins, fabrication, machinery parts and applications where black surface is acceptable.
View Hot Rolled Bar →Cold Drawn Carbon Steel Round Bar
For buyers needing better surface, tighter dimensional control and improved machining consistency.
View Cold Drawn Bar →Peeled / Bright Carbon Steel Bar
For machining shops and component manufacturers that need cleaner surface and improved bar preparation.
View Peeled Bar →Cut-to-Length Carbon Steel Bar
For machining factories, shaft blanks, fastener production and component buyers requiring fixed lengths.
View Processing Support →Carbon Steel Round Bar Products We Supply
We support carbon steel round bar sourcing for importers, distributors, machining factories, shaft manufacturers, fastener producers, fabrication plants and industrial buyers who need grade confirmation, stable size, processing support, MTC documents and export packing.
Hot Rolled Carbon Steel Round Bar
Hot rolled carbon steel round bar is widely used for general machining, shafts, pins, supports, industrial components and fabrication.
- Common grades include Q235, Q355, 20#, 45#, C45, SAE1045, S45C and equivalent grades
- Suitable for general machining, repair parts, tooling blanks and fabrication projects
- Diameter, length, surface condition and straightness should be confirmed before quotation
- MTC, heat number, bundle packing and export document support available
Cold Drawn Carbon Steel Round Bar
Cold drawn carbon steel bar is selected when buyers need improved surface condition, tighter diameter tolerance and better machining preparation.
- Suitable for shafts, pins, machined parts, small components and repeated production orders
- Commonly requested for 1020, 1045, C45, S45C and buyer-specified grades
- Diameter tolerance, straightness and surface condition should be confirmed clearly
- Anti-rust protection and bundle packing should match shipment and storage conditions
Peeled / Bright Carbon Steel Bar
Peeled or bright carbon steel round bar is used for machining buyers that need cleaner surface, better size consistency and reduced preparation work.
- Used for precision machining, shaft blanks, rollers, pins and industrial components
- Surface requirements such as peeled, polished, bright or oiled should be confirmed
- Diameter tolerance and straightness are key details for machining applications
- Protective packing helps reduce rust and surface damage during export shipment
Cut-to-Length Carbon Steel Round Bar
Cut-to-length round bar helps machining factories and component manufacturers reduce material handling time and improve production preparation.
- Fixed-length cutting can be discussed according to diameter, grade and quantity
- Suitable for shaft blanks, machined parts, fastener production and fabrication use
- Cut tolerance, end face requirement and packaging method should be confirmed
- Loading photos, shipping marks and bundle labels can be arranged by order
What Buyers Should Confirm Before Carbon Steel Round Bar Quotation
Carbon steel round bar quotation should be based on complete specification details. Grade, diameter, length, surface condition, tolerance, processing, quantity, packing and destination all affect price and supply feasibility.
Core Specification Details
- Product TypeHot rolled round bar, cold drawn round bar, peeled bar, bright bar or cut-to-length bar
- GradeQ235, Q355, 20#, 45#, AISI 1018, AISI 1020, SAE1045, C45, S45C or buyer-specified grade
- DiameterRequired diameter, tolerance and acceptable size range
- LengthStandard length, fixed length, cut-to-length or buyer-specified length
- SurfaceHot rolled black surface, cold drawn, peeled, bright, polished or oiled surface
- QuantityTotal tons, number of pieces, bundle quantity or project schedule
Processing and Export Details
- ProcessingCutting, peeling, polishing, cold drawing, straightening, chamfering or marking
- ApplicationShafts, pins, fasteners, machined parts, tooling blanks, fabrication or industrial distribution
- PackingBundle packing, steel straps, anti-rust protection, labels, wooden case or shipping marks
- DocumentsMTC, heat number, packing list, commercial invoice, certificate of origin and inspection support
- InspectionDiameter check, length check, surface check, straightness check and packing inspection
- DestinationDestination country or port, trade term and shipment schedule
Common Carbon Steel Round Bar Grades and Buying Details
Final grade selection should follow machining process, strength requirement, heat treatment requirement, component use and buyer market standard.
Low Carbon Grades
AISI 1018, AISI 1020, 20# and similar low carbon grades are often used for general machining, mild components and fabrication.
Medium Carbon Grades
45#, SAE1045, C45 and S45C are commonly requested for shafts, pins, machinery parts and components requiring higher strength.
Common Standards
ASTM A29, ASTM A108, EN 10083, JIS G4051 and GB/T 699 can be discussed according to grade and buyer requirement.
Surface and Tolerance
Hot rolled, cold drawn, peeled, polished and oiled surfaces should be selected according to machining accuracy and surface requirement.
Cutting, Bundle Packing and Export Loading Details
For carbon steel round bar buyers, cutting accuracy, anti-rust protection, bundle packing and loading condition directly affect warehouse receiving, machining preparation and production schedule.
Round Bar Cutting
Show fixed-length cutting, batch preparation, measurement or workshop cutting scene.
Bundle Packing
Show round bar bundles, steel straps, anti-rust protection, labels and packing preparation.
Loading and Shipping Marks
Show loading photos, bundle labels, shipping marks and export shipment preparation.
Common Applications of Carbon Steel Round Bar
Carbon steel round bar is selected when buyers need material for machining, shaft production, pins, fasteners, components, tooling blanks and general fabrication.
Shaft Manufacturing
For drive shafts, rollers, axles, pins and mechanical components requiring stable carbon steel bar material.
Machined Components
For CNC machining, turned parts, fittings, bushings, couplings, repair parts and industrial components.
Fasteners and Hardware
For bolts, nuts, threaded rods, studs, anchors, pins and general hardware manufacturing.
Tooling and Fabrication
For tooling blanks, fixtures, supports, frames, repair material and general steel fabrication work.
Machining, Shaft and Fastener Supply Scenes
Use application photos to connect carbon steel round bar supply with real buyer use cases, such as shafts, machining parts, fasteners and industrial components.
Shaft Manufacturing
Show carbon steel round bar used for shafts, rollers, axles, pins or rotating parts.
Machining Components
Show round bar machining, CNC parts, turned components or mechanical processing applications.
Fasteners and Hardware
Show carbon steel bar used for bolts, threaded rods, studs, pins, anchors or hardware production.
Grade Review, Processing, Packing and Export Support
Carbon steel round bar buyers usually need grade confirmation, diameter checking, surface review, fixed-length cutting, anti-rust protection, MTC and shipping documents before final order.
Grade & Size Review
Check grade, diameter, length, tolerance, surface condition and final application before quotation.
Cutting & Processing
Cut-to-length, peeling, polishing, cold drawing, straightening, chamfering and marking can be discussed.
Document Support
MTC, heat number, packing list, commercial invoice, certificate of origin and inspection report support.
Export Packing
Bundle packing, anti-rust protection, steel straps, labels, shipping marks, wooden case and loading photos.
Common Questions from Carbon Steel Round Bar Buyers
What information should I send for a carbon steel round bar quotation?
Send grade, diameter, length, surface condition, tolerance, quantity, processing requirement, packing request and destination country or port.
Can you supply 1045, C45 and S45C round bar?
Yes. SAE1045, C45, S45C, 45# and equivalent medium carbon steel round bar requirements can be discussed according to diameter, surface condition and quantity.
Can you provide cold drawn or peeled carbon steel round bar?
Cold drawn, peeled, bright and polished carbon steel round bar can be discussed according to grade, diameter, tolerance, surface requirement and order quantity.
Can you cut carbon steel round bar to fixed length?
Yes. Cut-to-length processing can be discussed according to bar diameter, grade, quantity, cutting tolerance and final application.
Can you provide MTC and export packing?
Yes. MTC, heat number, packing list, commercial invoice, certificate of origin, inspection documents, bundle packing, shipping marks and loading photos can be discussed according to order requirements.
Related Steel Bar and Steel Product Pages
Carbon steel round bar buyers may also need steel bar category information, stainless steel round bar, steel plate, steel pipe, rebar, quality control and export packing support.
Send Your Carbon Steel Round Bar Inquiry
Send grade, diameter, length, surface condition, tolerance, quantity, processing requirement, packing request and destination details. We will check availability, processing feasibility, documents and quotation details.
Direct Contact
For Faster Quotation, Please Include
- ✓Grade: Q235, Q355, 20#, 45#, 1018, 1020, 1045, C45, S45C or equivalent.
- ✓Diameter, length, tolerance, surface condition and required quantity.
- ✓Processing requirement: cutting, cold drawing, peeling, polishing, straightening or marking.
- ✓Destination country or port, packing request, MTC requirement and shipment schedule.
Document Support
- MTC
- Heat number
- Packing list
- Commercial invoice
- Certificate of origin
- Inspection report
- Loading photos
- Shipping marks
Steel Inquiry Form
Use this form for carbon steel round bar, hot rolled bar, cold drawn bar, peeled bar, cut-to-length bar and other steel product inquiries.
