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Help CenterChina Factory Wholesale Hot Rolled Carbon Steel Round Bar Multiple Grades Solid Carbon Steel Rod Support Small Trial Order With MTC
Product Spotlights
Reliable Mild Steel Solid Rod for Construction, Machining and Forging
Custom Size Carbon Steel Bar Complete with Material Test Certificate
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1. Product Overview
Carbon Steel Round Bar / Mild Steel Round Bar is a solid round steel bar with carbon as the main chemical element. It is produced by hot rolling and cold drawing processes. With stable mechanical performance, good machinability, weldability and forgeability, this steel bar is one of the most widely used metal materials in structural construction and mechanical manufacturing. Our factory supplies full grades and complete sizes, in large stock, supporting custom cutting and surface treatment.
2. Product Specifications
| Category | Item | Specification |
|---|---|---|
| Basic Product Info | Product Name | Carbon Steel Round Bar / Mild Steel Solid Bar |
| Shape | Solid Round | |
| Technique & Surface | Manufacturing Technique | Hot Rolled, Cold Drawn |
| Surface Treatment | Black Hot Rolled, Bright Cold Drawn, Peeled, Polished, Shot Blasting | |
| Dimension Range | Diameter | 6mm – 300mm |
| Length | 1000mm – 12000mm, Custom Fixed Length | |
| Tolerance | Hot Rolled | Normal Tolerance |
| Cold Drawn | H9 / H11 High Precision | |
| Available Grades | GB Standard | 10#, 20#, 35#, 45# |
| ASTM Standard | A36, A108, SAE1010, SAE1020, SAE1045 | |
| EN Standard | S235JR, S355JR, C45, CK45 | |
| Other Parameters | Execution Standard | GB, ASTM, EN |
| Density | 7.85g/cm³ |
3. Product Features & Advantages
✅ Complete Grades & Full SizesCovers low carbon and medium carbon steel grades to meet construction, forging and precision machining requirements.
✅ Two Mature Production ProcessesHot rolled bars for general structure projects; cold drawn bright bars for high-precision mechanical parts.
✅ Stable Mechanical PropertiesUniform internal structure, good toughness, excellent weldability, cutting performance and forging performance.
✅ High Dimensional AccuracyCold drawn round bars adopt precision tolerance control, reduce secondary processing cost.
✅ Strict Quality Control100% batch inspection, Mill Test Certificate (MTC) provided, support third-party inspection.
✅ Factory Direct Supply & Sufficient StockLarge inventory of regular sizes, fast delivery, accept small trial orders and mixed orders.
✅ Custom Service AvailableSupport custom length cutting, surface treatment and personalized packaging.
4. Application Scope
Carbon steel round bars are widely used in various industrial fields:
• Construction steel structure, building framework and support parts
• Mechanical equipment parts, shafts, gears, bolts and fasteners
• Forging blanks, stamping parts and auto spare parts
• Engineering machinery, agricultural machinery accessories
• Hardware tools and pipeline fitting manufacturing
5. Packaging & Delivery
Packaging: Standard steel strip bundling + waterproof woven bag. Wooden box packaging is optional for LCL shipment.
Loading: 20GP / 40GP container, bulk vessel
Trade Terms: EXW, FOB, CFR, CIF, DAP
Documents: Commercial Invoice, Packing List, MTC Certificate
6. Our Strengths
We are a professional carbon steel manufacturer with stable supply chain and strict quality management system. All products are inspected before shipment to ensure stable batch quality. We support OEM & custom processing, provide competitive factory price and reliable after-sales service for global customers.
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