Stainless Steel Round Bar

Standard Sizes Of SS Round Bar And Their Uses

SS Round Bar

The demand for stainless steel is increasing as the years pass. When using the most common form of stainless steel, a stainless steel round bar (SS round bar) gains a lot of interest. Standard sizes of ss round bar are high-strength round bars that are produced by most steel manufacturing companies across the globe.

Stainless steel round bars can be used for making machinery products, coaches, railway engines, and machinery equipment besides producing chemicals and petrochemicals. For different purposes, different sizes of stainless steel round bar are available. This guide will help you with the uses and available standard sizes of stainless steel round bars.

What is a Stainless Steel Round Bar?

A stainless steel round bar is a cylindrical and long bar made of stainless steel. These bars are usually thick and have a circular base. Stainless steel round bars of different strengths can be produced depending on different purposes. The strengths are attuned during the production process.


These round bars are made of stainless steel and have a polished surface appearance. These bar’s appearance is made better by the surface finish. They are bendable and have a surface polish. This indicates that stainless steel round bars can be easily used to create connections and metal fittings.

SS Round Bar Size Chart

The different variants and sizes of stainless steel round bars are mentioned below:

1.17/4PH Round Bar:-

A corrosion-resistant stainless steel round bar length can range from 1 meter (3.28 feet) to 6 meters (19.69 feet) and the diameter can range from 4 mm (0.16 inches approx) to 500 mm (19.68 inches approx)

2. S31254 Round Bar:- 

A high-strength round bar with 6% Molybdenum. The length can range from 3 meters (9.84 feet) to 6 meters (19.69 feet) and the diameter can range from 10 mm (0.4 inches approx) to 100 mm (3.93 inches approx).

3. 904L Round Bar:- 

It is also a high-strength bar with 6% Molybdenum. The length can range from 1 meter (3.28 feet) to 12 meters (39.37 feet) and the diameter can range from 3 mm (0.11 inches) to 800 mm (31.5 inches).

4. 310 Stainless Steel Round Bar:- 

A high-strength steel round bar that is resistant to pitting. The length can be 3 meters (9.84 feet) and the diameter can be 25.4 mm (1 inch).

5. 321 Stainless Steel Round Bar:- 

A high-strength and corrosion-resistant steel round bar. The length can vary from 9 meters (29.52 feet) to 12 meters (39.37 feet) and the diameter can range from 3 mm (0.11 inch) to 800 mm (31.50 inches).

6. Stainless Steel 304 Round Bar:- 

It is a high-strength steel with significant corrosion resistance. The length can vary from 1 meter (3.28 feet) to 6 meters (19.68 feet) and the diameter can be 2 mm (0.07 inch) to 100 mm (3.93 inches).

7. Stainless Steel 316 Round Bar:- 

It is a molybdenum-bearing grade of stainless steel round bar. The length can vary from 1 meter (3.28 feet) to 6 meters (19.68 feet) and the diameter can range from 3 mm (0.11 inch) to 800 mm (3.93 inches).

8. Stainless Steel 440B Round Bar:- 

It is a martensitic steel with a high content of carbon. The length can vary from 1 meter (3.28 feet) to 6 meters (19.68 feet) and the diameter can be from 3 mm (0.07 inch) to 500 mm (31.5 inches).

Choosing The Best Size of Stainless Steel Round Bar for Your Industry/Operation

Choosing the optimal size of stainless steel round bars for your industry or operation is crucial for ensuring efficiency and durability. Let’s explore the recommended sizes and applications of stainless steel round bars in various industries.

1. Heavy Machines and Tools:

For the manufacturing of heavy machines and tools, stainless steel round bars with diameters ranging from 6 mm (0.23 inches) to 60 mm (2.36 inches) and lengths between 1 meter (3.28 feet) to 6 meters (19.69 feet) are recommended. These round bars offer excellent corrosion resistance and high strength, making them suitable for harsh industrial environments.

It is easy to use stainless steel in the form of round bars. Several tools as well as heavy machines are used in industrial applications where corrosion and other conditions may be prevalent. When they are composed of stainless steel round bars, they become suitable for resisting harsh conditions.

2. Coaches and Railway Engines:

Stainless steel round bars in the same diameter and length range as mentioned above are also used in the manufacturing of railway engines and coaches. Strong integrity is also a requirement when producing coaches and other railway parts. This strong integrity for the parts is provided by stainless steel round bars, including those used in underground railway stations, tunnel linings, and wall cladding. Additionally, stainless steel round bars are gradually replacing mild steel bars due to their fire-resistant properties.

3. Oil Refining:

In the oil industry, thicknesses range from 12.7 mm (1/2 inch) to 304.8 mm (12 inches), and lengths range from 1.83 m (6 ft) to 6.09 m (20 ft). Stainless steel cylindrical frames are recommended because of the corrosive nature of the chemicals used in lubricating oil, the use of corrosion-resistant materials is necessary. Stainless steel round bars are resistant to these harsh chemicals, making them ideal for oil-cleaning equipment. Furthermore, the stainless steel sphere round bars have long-lasting durability making them suitable for the harsh conditions of oil drilling equipment.

4. Automobiles:

In the automotive industry, 6 mm (0.23 inches), 8 mm (0.31 inches), 10 mm (0.39 inches), 12 mm (0.47 inches), 16 mm (0.62 inches), 16 mm (0.62 inches) above are used. The length of these bars generally varies in height from 3 meters (9.84 ft) to 6 meters (19.68 ft). Stainless steel round bars are used for car chassis, frame, and engine parts. These rods provide stability, precision, and high strength to automotive parts. Critical engine parts such as camshafts, pistons, valves, and connecting nodes use stainless steel round bars due to their resistance to pressure and temperature changes during vehicle operation.

Conclusion

In conclusion, all the recommended sizes of stainless steel rounded bars are used in different industries. All these bars possess high strength and are resistant to corrosion because they are made of stainless steel. The grades of these round bars can still vary according to specialized needs. Selecting the appropriate size of stainless steel round bars is essential for different industries. These round bars offer exceptional strength and corrosion resistance, making them a preferred choice across various applications. The specific grades of stainless steel round bars may vary depending on specialized requirements. Additionally, stainless steel round bars are easy to produce, and maintain, and exhibit a high-quality appearance, further solidifying their popularity in many industries.