Stainless Steel Round 303 - 1-3/8 Inches
Stainless Steel Round 303 - 1-3/8 Inches
This 1-3/8" diameter 303 Stainless Steel Round Bar is a free-machining grade engineered for automated machining. Conforming to ASTM A582, it delivers 90,000 PSI tensile strength, excellent machinability, and good corrosion resistance for producing complex components. In stock Los Angeles.
- 303 Stainless Steel Construction
- ASTM A582 Certified
- 90,000 PSI Tensile Strength
- Excellent Machinability
Type 303 is an austenitic stainless steel specifically engineered for superior machinability through the addition of sulfur, which acts as a chip breaker and reduces tool wear. It complies with ASTM A582 and provides a high tensile strength of 90,000 PSI. This grade has good corrosion resistance in mild environments but cannot be hardened by heat treatment.
As a medium 1-3/8" diameter bar, this material is perfectly suited for manufacturing robust shafts, axles, bushings, spacers, and other precision-machined components where dimensional stability and high production speeds are critical for industrial and automotive applications.
Specifications
- Material: 303 Stainless Steel
- Standards: ASTM A582
- Strength/Tensile: 90,000 PSI
- Dimensions: 1-3/8" diameter x 144" length
- Finish: Cold Drawn, Annealed
- Certifications: Mill Test Report (MTR) Available
Applications
- Automated Machining: Shafts, spindles, and bushings - medium diameter provides strength for rotating parts.
- Industrial Fittings: Valve bodies and pipe fittings - easily machined into complex shapes with good corrosion resistance.
- Fasteners & Hardware: Custom bolts and nuts - free-machining properties allow for efficient threading.
- Automotive: Gear shafts and solenoid components - ideal for high-volume production of durable parts.
Target Users
Machinists, CNC operators, and component manufacturers rely on 303 Stainless Round Bar for high-speed production of corrosion-resistant components throughout the Los Angeles area.
Finish Options
This product comes standard with a cold drawn finish, which provides tight dimensional tolerances and a smooth, bright surface ideal for machining. For applications requiring a finer finish, options like centerless grinding may be available via special order. Contact our Los Angeles sales team for custom finish inquiries.
How to Measure
Round bar is measured by its diameter - the distance across the circular cross-section. Use calipers or a micrometer for an accurate reading.
Example: To order this round bar, specify "303 Stainless Round Bar, 1-3/8" diameter x 144" length".
Order Checklist
- Product name and required dimensions (1-3/8" x 144")
- Material specification and quantity
- Confirm grade (303) meets requirements
- Surface finish requirements (Cold Drawn)
- Certifications required (Mill Test Report)
- Special handling or delivery requirements
Quick Facts
- Product
- Stainless Steel Round 303 - 1-3/8 Inches
- Material
- 303 Stainless Steel
- Standards
- ASTM A582
- Key Properties
- 90,000 PSI tensile, Excellent Machinability, Good Corrosion Resistance
- Primary Applications
- Shafts, Axles, Industrial Fittings
- Location
- Los Angeles warehouse - Same-day pickup available
Available Sizes
We stock 303 Stainless Round Bar in diameters ranging from 1/8" up to 6" and in standard 144" lengths. This 1-3/8" x 144" size is available for immediate pickup in Los Angeles.
Custom cutting services available.
Contact for Sizing

