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.
| 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 |
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.
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.
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.
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.
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.
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.
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.
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.
Construction: Used in construction projects for plumbing, drainage systems, and structural support due to their strength, durability, and ease of installation.
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.
Stainless Steel 316, 316L, and 316H pipes and tubes epitomize the pinnacle of durability, versatility, and corrosion resistance in modern engineering applications. Crafted from high-quality stainless steel alloy, these pipes and tubes are engineered to withstand extreme conditions, making them ideal for diverse industries ranging from chemical processing and oil refining to marine environments and pharmaceutical manufacturing. With its superior resistance to corrosion, pitting, and crevice corrosion, Stainless Steel 316 variants offer unparalleled longevity and reliability. Moreover, the inclusion of molybdenum in 316L enhances its weldability, making it suitable for intricate fabrication processes, while the elevated carbon content in 316H boosts its strength and high-temperature performance, ensuring exceptional service in demanding environments. Whether used in aggressive chemical environments or critical structural applications, Stainless Steel 316, 316L, and 316H pipes and tubes set the standard for performance and reliability, embodying the essence of modern engineering excellence.
| Property | Stainless Steel 316 | Stainless Steel 316L | Stainless Steel 316H |
|---|---|---|---|
| Composition (%) | 16-18% Chromium, 10-14% Nickel, 2-3% Molybdenum | 16-18% Chromium, 10-14% Nickel, 2-3% Molybdenum, ≤0.03% Carbon | 16-18% Chromium, 10-14% Nickel, 2-3% Molybdenum, 0.04-0.10% Carbon |
| Tensile Strength (MPa) | ≥515 | ≥485 | ≥515 |
| Yield Strength (MPa) | ≥205 | ≥170 | ≥205 |
| Elongation (%) | ≥40 | ≥40 | ≥40 |
| Hardness (Brinell) | ≤217 | ≤217 | ≤217 |
| Density (g/cm³) | 8.00 | 8.00 | 8.00 |
| Melting Point (°C) | 1375-1400 | 1375-1400 | 1375-1400 |
| Corrosion Resistance | Excellent | Excellent | Excellent |
| Weldability | Good | Excellent | Good |
| Temperature Resistance | Up to 870°C | Up to 870°C | Up to 870°C |
Chemical Processing: These stainless steel pipes and tubes are widely used in chemical processing industries for conveying corrosive fluids and chemicals due to their excellent corrosion resistance properties.
Oil and Gas Industry: Stainless Steel 316 variants are favored in the oil and gas sector for their resistance to corrosive elements present in crude oil, natural gas, and offshore environments, making them ideal for pipelines, refineries, and offshore platforms.
Marine Applications: The superior corrosion resistance of Stainless Steel 316, 316L, and 316H makes them well-suited for marine environments, including shipbuilding, offshore structures, and seawater desalination plants.
Pharmaceutical Manufacturing: In pharmaceutical industries where sanitation and cleanliness are paramount, these stainless steel pipes and tubes are used for conveying pharmaceutical fluids and for the construction of equipment due to their ease of sterilization and resistance to corrosion.
Food and Beverage Industry: Stainless Steel 316L pipes and tubes are extensively employed in food and beverage processing and packaging industries due to their hygienic properties, resistance to corrosion, and ease of cleaning.
Heat Exchangers: Stainless Steel 316 and its variants are utilized in heat exchangers for their excellent resistance to corrosion and scaling at elevated temperatures, making them suitable for transferring heat in various industrial processes.
Construction and Architectural Applications: Stainless Steel 316 pipes and tubes are used in architectural applications such as handrails, balustrades, and decorative elements due to their aesthetic appeal, durability, and corrosion resistance.
High-Temperature Environments: Stainless Steel 316H, with its higher carbon content, is preferred in applications requiring elevated temperature strength and resistance to creep deformation, such as in high-temperature boilers and furnaces.
Automotive Industry: Stainless Steel 316 and its variants find applications in exhaust systems, mufflers, and other automotive components due to their resistance to corrosion and high-temperature oxidation.
Aerospace: Stainless Steel 316, 316L, and 316H pipes and tubes are used in aerospace applications where lightweight materials with high strength and corrosion resistance are required, such as in aircraft exhaust systems and structural components.
Stainless Steel 904L pipes and tubes are premium-grade piping solutions renowned for their exceptional corrosion resistance and durability, making them indispensable across a spectrum of industries. Characterized by high levels of chromium, nickel, and molybdenum, Stainless Steel 904L exhibits superb resistance to both crevice and stress corrosion cracking in various environments, including harsh acids and chloride-containing media. These properties make it particularly suitable for applications in industries such as chemical processing, pharmaceuticals, oil and gas, and desalination plants. Furthermore, its excellent weldability and formability enable versatile fabrication, ensuring seamless integration into diverse systems. With superior performance under extreme conditions and a proven track record for reliability, Stainless Steel 904L pipes and tubes stand as pillars of strength in demanding industrial operations.
| Property | Specification |
|---|---|
| Material Grade | Stainless Steel 904L |
| Standard | ASTM B677, ASTM B673, ASTM B674, ASTM B690, ASTM A312, ASTM A358, ASTM A376, ASTM A409, ASTM A790, ASTM A813, ASTM A814, ASTM B649, ASTM A276, ASTM A479, EN 10217-7, EN 10088-2, EN 10028-7, ISO 15156-3, NACE MR0175/ISO 15156, NACE MR0103, PED 97/23/EC, AD 2000-WO, ASME Boiler & Pressure Vessel Code Sec.II Part A Ed. 2008, API 6A (American Petroleum Institute), MR0103, ASTM G150, ASTM F899, ASTM F1948, ASTM A484, ASTM A193, ASTM A262, ASTM A182, ASTM A955, ASTM A276/479, ASME SA213, ASME SA312, ASME SA688, ASME SA789, ASME SA790, DIN 1.4539 |
| Size Range (OD) | Pipes: 1/8″ NB to 24″ NB, Tubes: 1/2″ OD to 8″ OD |
| Wall Thickness | Schedule 5S to XXS |
| Length | Single Random, Double Random, Cut Length |
| Types | Seamless, Welded |
| End | Plain End, Beveled End, Threaded, Coupling |
| Surface Finish | Annealed Pickled, Polished, Bright Annealed, Electro Polish, Sand Blasting Finished, Hairline, Matte Finish, 180 Grit, 240 Grit, 320 Grit, 400 Grit, 500 Grit |
| Applications | Chemical Processing, Pharmaceutical, Oil & Gas, Desalination Plants, Heat Exchangers, Condensers, Pulp & Paper, Petrochemical, Power Generation, Offshore, Water Treatment, Marine, etc. |
Chemical Processing: Utilized for transporting corrosive chemicals, acids, and solvents in chemical processing plants due to exceptional corrosion resistance.
Pharmaceutical Industry: Employed in pharmaceutical manufacturing facilities for conveying pharmaceutical products and ingredients while maintaining hygienic conditions.
Oil and Gas Sector: Used in offshore and onshore applications, including oil drilling platforms, pipelines, and refineries, where they withstand exposure to corrosive environments and high pressures.
Desalination Plants: Essential components for transporting seawater and brine in desalination plants due to resistance to chloride-induced corrosion.
Heat Exchangers and Condensers: Favored for heat exchangers and condenser applications in power generation, HVAC systems, and chemical processing due to corrosion resistance and thermal conductivity.
Pulp and Paper Industry: Employed in pulp and paper mills for transporting corrosive chemicals, bleaching agents, and wastewater, where resistance to corrosion and high temperatures is essential.
Petrochemical Sector: Integral to petrochemical plants for conveying corrosive substances and hydrocarbons in refining, cracking, and petrochemical production processes.
Water Treatment: Critical for transporting chemicals, treated water, and wastewater in water treatment facilities, offering durability and corrosion resistance against harsh treatment chemicals and environmental factors.
Marine Applications: Used in shipbuilding, offshore platforms, and port infrastructure due to resistance to saltwater corrosion, withstanding exposure to seawater and saline environments.
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