304 Stainless Steel Pipe
Introduction:
304 stainless steel pipe is one of the most commonly used types of stainless steel in industrial and commercial applications. With its 18% chromium and 8% nickel content, it offers superior performance in terms of both corrosion resistance and formability. This type of steel is known for its high strength and aesthetic properties.
Features:
- Chemical Composition: 18% Chromium, 8% Nickel
- Corrosion Resistance: General corrosion resistance, but limited in chloride environments.
- Durability: High strength and durability.
- Applications: Food processing, kitchen equipment, chemical transportation, decorative applications, automotive industry.
- Weldability: Good weldability, but care should be taken due to the risk of carbon precipitation.
304L Stainless Steel Pipe
Introduction:
304L stainless steel pipe is a low-carbon version of the 304 grade steel. Its low carbon content minimizes the risk of carbon precipitation during welding processes, thereby increasing post-welding corrosion resistance. These properties make 304L ideal for applications requiring welding at high temperatures.
Features:
- Chemical Composition: 18% Chromium, 8% Nickel, less than 0.03% Carbon
- Corrosion Resistance: Enhances corrosion resistance after welding.
- Durability: High strength.
- Applications: High-temperature welding operations, chemical processing, storage tanks, pipelines.
- Weldability: Excellent weldability due to its low carbon content.
316 Stainless Steel Pipe
Introduction:
316 stainless steel pipe, with its 16% chromium, 10% nickel, and 2% molybdenum content, offers superior performance, especially in environments containing seawater and chlorides. This grade is known for its long-lasting durability and high corrosion resistance, even in challenging environmental conditions.
Features:
- Chemical Composition: 16% Chromium, 10% Nickel, 2% Molybdenum
- Corrosion Resistance: Superior in seawater and chloride environments.
- Durability: High strength and durability.
- Applications: Marine applications, chemical processing, medical devices, pharmaceutical equipment, petrochemical industry.
- Weldability: Good, but care should be taken due to the risk of carbon precipitation.
316L Stainless Steel Pipe
Introduction:
316L stainless steel pipe is a low-carbon version of the 316 grade steel. This low carbon content reduces the risk of carbon precipitation during welding processes and makes it suitable for applications requiring welding at high temperatures.
Features:
- Chemical Composition: 16% Chromium, 10% Nickel, 2% Molybdenum, less than 0.03% Carbon
- Corrosion Resistance: Enhances corrosion resistance after welding.
- Durability: High strength.
- Applications: High-temperature welding operations, chemical processing, storage tanks, pipelines.
- Weldability: Excellent weldability due to its low carbon content.
321 Stainless Steel Pipe
Introduction:
321 stainless steel pipe is a titanium-stabilized grade, offering excellent corrosion resistance at high temperatures. This property makes 321 grade stainless steel pipe ideal for applications where high temperature and oxidation resistance are critical.
Features:
- Chemical Composition: 17-19% Chromium, 9-12% Nickel, 0.25% Titanium
- Corrosion Resistance: Superior corrosion resistance at high temperatures.
- Durability: High strength and thermal stability.
- Applications: Aerospace, chemical processing, high-temperature applications.
- Weldability: Good, with no risk of carbon precipitation due to titanium.
316Ti Stainless Steel Pipe
Introduction:
316Ti stainless steel pipe is a titanium-stabilized version of 316 grade stainless steel. This addition enhances corrosion resistance at high temperatures, providing long-lasting performance and making it suitable for more demanding applications.
Features:
- Chemical Composition: 16% Chromium, 10% Nickel, 2% Molybdenum, 0.5% Titanium
- Corrosion Resistance: Superior corrosion resistance at high temperatures.
- Durability: High strength.
- Applications: High-temperature applications, chemical processing, energy sector.
- Weldability: Good, with no risk of carbon precipitation due to titanium.
409 Stainless Steel Pipe
Introduction:
409 stainless steel pipe is a low-cost ferritic stainless steel type with good oxidation resistance. It is commonly used in the automotive industry, particularly in exhaust systems and heat exchangers.
Features:
- Chemical Composition: 10.5-11.75% Chromium, Maximum 0.5% Nickel
- Corrosion Resistance: Moderate corrosion resistance.
- Durability: Good oxidation resistance.
- Applications: Automotive exhaust systems, heat exchangers.
- Weldability: Good, due to its low carbon content.
430 Stainless Steel Pipe
Introduction:
430 stainless steel pipe is a ferritic stainless steel type with good corrosion resistance and formability. It is generally used in decorative and low-temperature applications.
Features:
- Chemical Composition: 16-18% Chromium
- Corrosion Resistance: Good corrosion resistance, especially at low temperatures.
- Durability: Good formability.
- Applications: Decorative applications, kitchen equipment, household appliances.
- Weldability: Good, due to its low carbon content.
439 Stainless Steel Pipe
Introduction:
439 stainless steel pipe is a stabilized ferritic stainless steel type. It offers high heat resistance and good weldability.
Features:
- Chemical Composition: 17-19% Chromium, 0.5% Titanium
- Corrosion Resistance: Good, especially in chloride-containing environments.
- Durability: High heat resistance.
- Applications: Automotive exhaust systems, heat exchangers.
- Weldability: Excellent, with no risk of carbon precipitation due to titanium.
441 Stainless Steel Pipe
Introduction:
441 stainless steel pipe is a stabilized ferritic stainless steel type. It has high heat and oxidation resistance and also provides good formability.
Features:
- Chemical Composition: 17-18% Chromium, 0.7% Niobium/Titanium
- Corrosion Resistance: Good, especially oxidation resistance.
- Durability: High heat resistance.
- Applications: Automotive exhaust systems, industrial applications.
- Weldability: Excellent, with no risk of carbon precipitation due to niobium and titanium.
Duplex Stainless Steel Pipe
Introduction:
Duplex stainless steel pipe combines both austenitic and ferritic phases. This structure provides high strength, excellent corrosion resistance, and good weldability.
Features:
- Chemical Composition: 22-25% Chromium, 4-7% Nickel, 0.1-0.3% Nitrogen, 2-3% Molybdenum
- Corrosion Resistance: Superior corrosion resistance, especially in chloride-containing environments.
- Durability: Very high strength and durability.
- Applications: Oil and gas industry, chemical processing, marine industry, pulp and paper industry.
- Weldability: Good weldability with low thermal expansion coefficient.