303 Free Cutting Stainless Steel Round Bar
303 Free Cutting Stainless Steel Round Bar is a general-purpose machining grade widely used in turned components and standard fasteners. It offers a practical balance between machinability, surface finish, and production stability.
The sulfur-added composition supports smoother cutting than standard austenitic stainless steels. This helps maintain consistent dimensions during processing and reduces machining interruptions. The material suits automatic lathes and CNC turning operations in medium to high-volume production.
303 stainless steel round bars are supplied in solid form with smooth or bright surface finishes. Sizes and lengths can be customized to meet routine machining and OEM requirements.
Product Details
303 Free Cutting Stainless Steel Round Bar Specification
- Product Name: 303 Free Cutting Stainless Steel Round Bar
- Steel Grade: 303
- Material Type: Free-cutting stainless steel
- Form: Solid round bar
- Surface Finish: Smooth / Bright
- Diameter Range: 8 mm – 300 mm
- Length: Customized
- OEM Service: Accepted
Standard Diameter Options (mm)：
| 8 | 25 | 45 | 90 | 140 | 195 |
| 10 | 27 | 48 | 95 | 145 | 200 |
| 12 | 28 | 50 | 100 | 150 | 210 |
| 14 | 30 | 55 | 105 | 155 | 220 |
| 15 | 32 | 60 | 110 | 160 | 230 |
| 16 | 35 | 65 | 115 | 165 | 240 |
| 18 | 36 | 70 | 120 | 170 | 250 |
| 20 | 38 | 75 | 125 | 180 | 260 |
| 22 | 40 | 80 | 130 | 185 | 270 |
| 24 | 42 | 85 | 135 | 190 | 280 |
303 Free Cutting Stainless Steel Round Bar Application
303 Free Cutting Stainless Steel Round Bar is used in parts that require easy machining and a clean surface finish. It performs well on automatic lathes and CNC turning machines.
Typical applications include:
- Bolts and nuts
- Screws and threaded components
- Precision shafts and pins
- High-volume turned parts
303 stainless steel is often selected for applications where stable cutting performance and production efficiency matter.