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Ultimate Guide to Stainless Steel Pipes: Specs, Dimensions & Uses


The 304 stainless steel pipe, a frequently used stainless steel material, enjoys wide application across industries such as construction, machinery, chemical engineering, and healthcare.

This article offers a comprehensive analysis of the 304 stainless steel pipe, focusing on dimensions, material composition, usage, and distinctive features.

Ultimate Guide to Stainless Steel Pipes Specs, Dimensions & Uses

1. Dimension Specifications

The 304 stainless steel pipe comes in a diverse array of sizes, with common diameters ranging from smallest to largest as follows: 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm, 22mm, 25mm, 28mm, 32mm, 35mm, 38mm, 42mm, 45mm, 48mm, 51mm, 54mm, 57mm, 60mm, 63mm, 70mm, 76mm, 89mm, 102mm, etc.

The wall thickness usually varies from 0.5mm to 3mm, and the standard length is 6 meters, though it can be customized as per client specifications. It’s essential to consider that prices will vary depending on size, so it’s crucial to know the required dimensions to prevent wastage or shortages.

2. Material Classification

The main constituents of the 304 stainless steel pipe are 18% Chromium (Cr) and 8% Nickel (Ni), making it an austenitic stainless steel. It also contains certain amounts of Titanium (Ti) and Manganese (Mn) elements, which contribute to its superior strength, corrosion resistance, and heat resistance.

Additionally, there are different types of 304 stainless steel pipes, such as 316L, 304L, 310S, 321, and so forth. Consumers can choose the material that best fits their needs and usage conditions for manufacturing and production.

3. Application Fields

The 304 stainless steel pipe is utilized in a broad spectrum of sectors. Some of the primary areas of application include:

  • Construction: It is used in indoor and outdoor decorations, metal hanging parts, ceiling components, wall decorations, and handrails.
  • Machinery Manufacturing: It can be utilized for various pipeline connections for steam, air, edible media, water treatment, and is also suitable for manufacturing parts for automobiles, trains, and aircraft.
  • Chemical Industry: This pipe is used for oil and gas pipelines, chemical pipelines, acid manufacturing, alkali production, fertilizer production, petroleum exploration, natural gas refining, chemical catalysts, water pump components, and exhaust gas treatment.
  • Medical Devices: It’s useful in manufacturing medical equipment, such as surgical tools, artificial kidneys, and heart stents.

4. Features and Advantages

Compared to other pipe materials, the 304 stainless steel pipe exhibits the following attributes and benefits:

  • Excellent Corrosion Resistance: Under normal atmospheric conditions, it demonstrates considerable rust resistance, allowing for long-term use in general environments.
  • Superior Machinability: The pipe boasts excellent machinability, catering to diverse customer requirements.
  • Good High-Temperature Strength: Within a certain temperature range, it shows good stress resistance, corrosion resistance, oxidation resistance, erosion resistance, and heat strength.
  • High Cost-Effectiveness: Compared to other material pipes, the 304 stainless steel pipe is more affordable, with a good lifespan and performance.

5. Conclusion

In conclusion, the 304 stainless steel pipe’s dimensions, material, usage, and features are quite varied, and it exhibits extensive application and superior performance in various fields.

Customers should scientifically and reasonably select the appropriate specifications based on this information to enhance the efficiency of steel usage and save costs.

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