Ratnakar Steel India is a leading manufacturer and exporter of **Stainless Steel Round Bars**, providing high-strength solutions for the automotive, aerospace, and medical industries. Our round bars are recognized for their exceptional straightness, uniform grain structure, and superior surface finish.
Quality & Performance Analysis
Our round bars undergo precise peeling and centerless grinding to meet the tightest diameter tolerances, ensuring they are ready for high-speed CNC machining and critical engineering applications.
- Diameter Range: 3mm to 600mm (Forged & Rolled)
- Material Grades: 200, 300, & 400 Series (304, 316, 410, 416, 431)
- Standard Compliance: ASTM A276, A479, ASME SA479, and DIN 17440
- Finish Options: Bright, Polished, Black, Peeled, and Centerless Ground
Stainless Steel Round Bar Technical Data
Size & Geometry
Available Grades
Technical Ratings
Surface Finish & Condition
Key Applications
Testing & Compliance
Our Production Workflow
We utilize advanced heat treatment and cold-working processes to enhance the mechanical properties of our round bars, delivering a product that withstands high pressure and corrosive environments.
01. Grade Selection
Identifying the ideal alloy (e.g., 304L for welding or 416 for free-machining) for your application.
02. Precision Grinding
Utilizing centerless grinding to achieve h8, h9, or h11 diameter tolerances for seamless machining.
03. Quality Testing
Comprehensive crack detection and PMI testing to ensure 100% material integrity and compliance.