Product Overview

Our stainless steel round bars are available in 201, 304, 316, and 316L grades, designed for a wide range of industrial, construction, and manufacturing applications. These stainless steel bars are produced through precision hot rolling and cold drawing processes, ensuring excellent dimensional accuracy, smooth surface finish, and reliable mechanical performance.

With outstanding corrosion resistance, strength, and machinability, stainless steel rods are widely used in machinery parts, structural components, fasteners, shafts, and decorative applications. Different grades provide tailored performance: 201 offers cost efficiency, 304 provides general-purpose corrosion resistance, while 316 and 316L deliver superior resistance in marine and chemical environments.

Material Details

201 Stainless Steel Round Bar

Chemical Composition: 16.0–18.0%Cr, 3.5–5.5%Ni, 5.5–7.5%Mn, ≤0.25%N, ≤1.00%Si, ≤0.15%C, ≤0.060%P, ≤0.030%S

Standards: ASTM A276, ASTM A484, JIS G4303, EN 10088-3

Microstructure: Austenitic stainless steel (high-manganese, low-nickel economy grade)

Characteristics: Good strength and moderate corrosion resistance. Lower cost alternative to 304 stainless steel. Suitable for indoor use and decorative applications

304 Stainless Steel Round Bar

Chemical Composition: 18.0–20.0%Cr, 8.0–10.5%Ni, ≤2.00%Mn, ≤1.00%Si, ≤0.08%C, ≤0.045%P, ≤0.030%S

Standards: ASTM A276, ASTM A484, JIS G4303, EN 10088-3

Microstructure: Austenitic stainless steel (general-purpose corrosion-resistant grade)

Characteristics: Excellent corrosion resistance in normal environments. Good formability and weldability. Widely used in food equipment, architecture, and industry

316 Stainless Steel Round Bar

Chemical Composition: 16.0–18.0%Cr, 10.0–14.0%Ni, 2.0–3.0%Mo, ≤2.00%Mn, ≤1.00%Si, ≤0.08%C, ≤0.045%P, ≤0.030%S

Standards: ASTM A276, ASTM A484, JIS G4303, EN 10088-3

Microstructure: Austenitic stainless steel (Mo-added enhanced corrosion resistance grade)

Characteristics: Excellent resistance to chlorides and marine environments. High performance in chemical processing conditions. Better corrosion resistance than 304

316L Stainless Steel Round Bar

Chemical Composition: ≤0.030%C, 16.0–18.0%Cr, 10.0–14.0%Ni, 2.0–3.0%Mo, ≤2.00%Mn, ≤1.00%Si, ≤0.045%P, ≤0.030%S

Standards: ASTM A276, ASTM A484, JIS G4303, EN 10088-3

Microstructure: Austenitic stainless steel (low carbon version of 316, improved weldability)

Characteristics: Excellent weldability and resistance to intergranular corrosion. Ideal for welded structures and marine environments. Preferred in chemical and high-corrosion applications

Core Features

✅ Excellent Corrosion Resistance: Stainless steel grades 304, 316, and 316L provide strong resistance against rust, moisture, and chemical corrosion, ensuring long service life.

✅ High Strength & Durability: Offers excellent tensile strength and structural stability, suitable for heavy-duty industrial applications and mechanical components.

✅ Superior Machinability: Easy to cut, weld, drill, and machine into various parts, making it ideal for manufacturing and engineering use.

✅ Wide Range of Applications: Available in multiple grades to meet different environmental and performance requirements, from general use to marine-grade conditions.

✅ Smooth Surface Finish: Provides excellent surface quality for both industrial and decorative purposes, reducing the need for additional processing.

✅ Reliable Weldability: Especially 304 and 316L grades offer excellent welding performance without compromising corrosion resistance.

Why Choose Our Stainless Steel Round Bars (201 / 304 / 316 / 316L)

Strict Quality Assurance System: All stainless steel round bars are manufactured under ISO 9001-certified quality management. Each production batch is inspected through ultrasonic testing, chemical composition verification, and mechanical property testing to ensure stable performance and full compliance with ASTM, JIS, and EN standards. We also provide complete MTR (Material Test Reports) for every shipment to guarantee transparency and traceability.

Flexible Custom Manufacturing: We support a wide range of customization options to match different engineering needs, including diameters from 2mm to 500mm, standard or custom cut lengths, and multiple surface finishes such as bright, polished, black, cold-drawn, and precision ground. Our technical team can also assist with OEM production and special specifications for industrial, structural, and decorative applications.

Competitive Factory Supply & Efficient Production: As a direct manufacturer, we control the entire production process, allowing us to offer stable quality with more competitive pricing. Our production lines and inventory system enable fast dispatch for stock items within 7 days, while customized orders are typically completed within 14–21 days depending on requirements.

Global Logistics & Export Support: With extensive international trade experience, we work with reliable logistics partners including DHL, FedEx, and Maersk to ensure safe and timely delivery worldwide. We serve customers across North America, Europe, Southeast Asia, and the Middle East, providing full shipping coordination and customs documentation support for smooth import processes.Long-Term Quality Commitment & Support: We stand behind the quality of our stainless steel products with a long-term warranty against manufacturing defects. Our professional support team is available around the clock to assist with technical consultation, order updates, and after-sales service, ensuring a reliable and responsive partnership throughout your project.

Frequently Asked Questions (FAQ)

Q: What is the difference between 201, 304, and 316 stainless steel?

A: 201 is a low-cost grade with moderate corrosion resistance, 304 is a general-purpose stainless steel with strong corrosion resistance, and 316 offers superior resistance to saltwater and chemicals due to added molybdenum.

Q: Is 316L better than 316?

A: 316L has lower carbon content, which improves weldability and reduces the risk of corrosion after welding.

Q: Can stainless steel round bars be customized?

A: Yes, we offer customization in diameter, length, surface finish, and cutting requirements.

Q: What are stainless steel round bars used for?

A: They are widely used in machinery parts, shafts, fasteners, construction structures, and decorative applications.

Q: Are these bars suitable for outdoor use?

A: Yes, especially 304, 316, and 316L grades are suitable for outdoor and harsh environments.

Q: What sizes are available?

A: Diameters typically range from 2mm to 500mm, with custom sizes available upon request.

Q: Do you provide mill test certificates?

A: Yes, full MTC reports are provided with each shipment, including chemical composition and mechanical properties.