20# ASTM A106 Gr.B Plain Round Steel Bar High Strength Black For Shafts / Bolts

20# / ASTM A106 Gr.B Round Steel Bars – For Shafts, Bolts & Structural Use

Our 20# / ASTM A106 Gr.B round steel bars are high-quality carbon steel bars designed for a wide range of mechanical and structural applications. With excellent strength, machinability, and weldability, these bars are a reliable choice for demanding industrial projects.

Key Features

• High tensile strength and durability for heavy-duty applications
• Good machinability for easy cutting, drilling, and shaping
• Excellent weldability for seamless fabrication
• Consistent dimensional accuracy for precise fitting
• Cost-effective solution without compromising quality

Common Applications

• Shafts and axles for machinery and equipment
• Bolts, nuts, studs, and other fasteners
• Gears and mechanical components
• Structural supports and frames
• Automotive and transportation parts
• Industrial equipment manufacturing
• Construction and engineering projects

Product Specifications

• Standard: GB/T 699 (20#) / ASTM A106 (Gr.B)
• Material: High-quality carbon steel
• Type: Round bars
• Diameter Range: Available in various sizes to meet project needs
• Length: Custom lengths available
• Surface Finish: Black, bright, or as requested

Quality Assurance

Our round steel bars undergo strict quality control, including chemical composition analysis, mechanical property testing, dimensional inspection, and surface quality checks. We ensure every batch meets the required standards and your specifications.

Why Choose Us

• Reliable quality with full traceability
• Competitive factory-direct pricing
• Flexible order quantities
• Timely delivery worldwide
• Professional technical support

Our 20# / ASTM A106 Gr.B round steel bars deliver the strength, consistency, and performance you need for your mechanical and structural projects. Contact us today to discuss your requirements.