Details
Round Steel Bar
- Commodity name: Round Steel Bar
- Size: 12-100mm
- Processing method: Hot Rolled,cold-drawing
- Place of Origin: TianJin, China
- Minimum order quantity: 10ton
- Surface: black,galvanized
- Material grade: Q235B,Q345D/E,45#,40Cr
- Packing: Conventional Marine packing
- Delivery time: 15-20days
- Shipping term: FOB/CIF/CFR
- Transaction mode: T/T,LC
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Round Steel Bar
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Detailed description

Product Overview
Round steel bar is a widely used basic solid section steel with a standard circular cross-section.
It is mainly made of carbon structural steel, high-quality carbon steel and alloy steel. Processed by mature technologies such as hot rolling, cold drawing and forging, the product features regular appearance, uniform cross-section and accurate dimensions.
It is an indispensable basic steel material for machinery manufacturing, construction engineering and hardware processing with high versatility and practicability.
Product Classification
According to different production processes and performance characteristics, round steel bars are mainly divided into three categories: hot rolled round steel, cold drawn round steel and forged round steel.
Hot rolled round steel has high cost performance and sufficient supply for general structure construction; cold drawn round steel owns higher dimensional accuracy and better surface finish for precision parts processing; forged round steel has high density, strong toughness and large bearing capacity, mostly used for heavy machinery and high-pressure stress parts, fully meeting the material needs of diverse scenarios.


Core Performance Advantages
The round steel bars we produce feature pure material and uniform texture without quality defects such as air bubbles, cracks and interlayers.
The products have good plasticity, toughness and weldability, as well as excellent machinability, supporting secondary processing including cutting, bending, welding and turning.
With stable mechanical properties, balanced compressive and tensile strength, deformation resistance, high temperature resistance and wear resistance, the products maintain high safety and stability in long-term service.
Specification Standards
Our round steel bars have complete specifications with a wide diameter coverage, providing spot goods of conventional specifications and customized services for special specifications.
All products are produced in strict accordance with national standards. We strictly control the whole process from raw material screening, rolling processing to finished product inspection, with accurate dimensional tolerance and excellent flatness.
Every batch of products meets industrial qualified standards, supporting standardized and customized procurement for various projects.


Application Fields
With excellent comprehensive performance, round steel bars are widely applied in various industries.
In the construction field, they are used for steel structure supports, embedded parts and reinforcement components; in the machinery industry, they are widely used to manufacture shafts, gears, bolts and mold accessories.
They are also applicable to hardware products, engineering machinery, bridge engineering, power equipment, pressure vessels and other fields, serving as the core basic material for industrial production and infrastructure engineering.
Product Guarantee
With years of experience in the steel industry, our company has a mature production system and complete quality inspection procedures to ensure stable and reliable quality of round steel bars.
We support customized production and batch supply with sufficient spot inventory and fast delivery, as well as comprehensive after-sales services.
Adhering to high standards and high quality, we provide domestic and foreign customers with cost-effective round steel products and professional procurement solutions.

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