Stainless Steel 304, 304L, and 304H pipes and tubes represent a versatile and widely utilized family of materials renowned for their excellent corrosion resistance, durability, and ease of fabrication. Comprising chromium, nickel, and small amounts of carbon, these grades offer robust performance in various environments, including those containing corrosive chemicals and high temperatures. Stainless Steel 304 pipes and tubes find extensive applications across industries such as chemical processing, food and beverage, pharmaceuticals, and construction, where their superior resistance to oxidation and corrosion ensures longevity and reliability. Whether for transporting fluids, gases, or structural support, Stainless Steel 304, 304L, and 304H pipes and tubes stand as trusted solutions, delivering unmatched performance and longevity in demanding operating conditions.
Specifications for Stainless Steel 304 / 304L / 304H Pipes & Tubes
Property | Stainless Steel 304 | Stainless Steel 304L | Stainless Steel 304H |
---|---|---|---|
Composition | Chromium 18-20%, Nickel 8-10.5%, Carbon ≤0.08%, Manganese ≤2.0%, Silicon ≤0.75%, Phosphorus ≤0.045%, Sulfur ≤0.03% | Chromium 18-20%, Nickel 8-12%, Carbon ≤0.03%, Manganese ≤2.0%, Silicon ≤0.75%, Phosphorus ≤0.045%, Sulfur ≤0.03% | Chromium 18-20%, Nickel 8-10.5%, Carbon 0.04-0.10%, Manganese ≤2.0%, Silicon ≤0.75%, Phosphorus ≤0.045%, Sulfur ≤0.03% |
Density (g/cm³) | 7.93 | 7.93 | 7.93 |
Melting Range (°C) | 1400-1450 | 1400-1450 | 1400-1450 |
Tensile Strength (MPa) | ≥ 515 | ≥ 485 | ≥ 515 |
Yield Strength (0.2% offset) (MPa) | ≥ 205 | ≥ 170 | ≥ 205 |
Elongation (%) | ≥ 40 | ≥ 40 | ≥ 40 |
Hardness (Brinell) | ≤ 201 | ≤ 201 | ≤ 201 |
Corrosion Resistance | Excellent corrosion resistance in a wide range of environments, including atmospheric, chemical, and marine environments | Excellent corrosion resistance in a wide range of environments, including atmospheric, chemical, and marine environments | Excellent corrosion resistance in a wide range of environments, including atmospheric, chemical, and marine environments |
Temperature Range (°C) | -195 to 870 | -195 to 870 | -195 to 870 |
Forms Available | Pipes, Tubes | Pipes, Tubes | Pipes, Tubes |
Standard | ASTM A312, ASTM A213, ASTM A269, ASTM A511, ASTM A554, ASTM A778, ASTM A789, ASTM A790, ASTM A928, ASTM A999, ASTM A1016 | ASTM A312, ASTM A213, ASTM A269, ASTM A511, ASTM A554, ASTM A778, ASTM A789, ASTM A790, ASTM A928, ASTM A999, ASTM A1016 | ASTM A312, ASTM A213, ASTM A269, ASTM A511, ASTM A554, ASTM A778, ASTM A789, ASTM A790, ASTM A928, ASTM A999, ASTM A1016 |
Uses of Stainless Steel 304 / 304L / 304H Pipes & Tubes
1. Industrial Piping: Widely used in industrial piping systems for transporting various fluids and gases in chemical processing plants, refineries, and manufacturing facilities due to their corrosion resistance and durability.2. Food and Beverage Industry: Stainless Steel 304, 304L, and 304H pipes and tubes are utilized in food processing and beverage manufacturing for conveying fluids and maintaining hygiene standards, thanks to their non-reactive nature and ease of cleaning.
3. Heat Exchangers: These materials are commonly employed in the fabrication of heat exchanger tubes used in HVAC systems, refrigeration units, and power plants due to their thermal conductivity and resistance to corrosion in both high and low-temperature environments.
4. Water Distribution: Stainless Steel 304, 304L, and 304H pipes and tubes are utilized in water treatment plants, municipal water supply systems, and plumbing applications for their resistance to corrosion from water and chemicals, ensuring clean and safe water distribution
5. Oil and Gas Exploration: Used in oil and gas exploration and production for well casings, pipelines, and downhole tubing due to their resistance to corrosive environments, including saline water and hydrogen sulfide (H2S) gas.
6. Architectural Applications: Stainless Steel 304, 304L, and 304H pipes and tubes are employed in architectural projects for structural support, handrails, and decorative elements due to their aesthetic appeal, durability, and resistance to atmospheric corrosion.
7. Automotive Industry: Utilized in automotive exhaust systems and components due to their high-temperature resistance, corrosion resistance, and ability to withstand vibrations and thermal expansion.
8. Pharmaceutical Manufacturing: Stainless Steel 304, 304L, and 304H pipes and tubes find application in pharmaceutical manufacturing for conveying process fluids and gases in production lines, ensuring product purity and compliance with industry standards.
9. Construction: Used in construction projects for plumbing, drainage systems, and structural support due to their strength, durability, and ease of installation.
10. Aerospace and Defense: Stainless Steel 304, 304L, and 304H pipes and tubes are employed in aerospace and defense applications for hydraulic systems, fuel lines, and structural components due to their lightweight properties and resistance to corrosion in harsh environments.