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Nickel tubes are integral components in various industries due to their outstanding mechanical properties, corrosion resistance, and ability to withstand extreme temperatures. These tubes, made from nickel or nickel alloys, offer a combination of durability, strength, and versatility. Corrosion Resistance: Nickel tubes are highly resistant to corrosion from acids, alkalis, and other chemicals, making them suitable for harsh environments. High Temperature Stability: Nickel alloys retain their mechanical properties and structural integrity at high temperatures, which is essential for high-temperature applications. Mechanical Strength: These alloys offer excellent tensile strength and toughness, contributing to their durability. Thermal and Electrical Conductivity: Nickel provides good thermal and electrical conductivity, beneficial for heat exchangers and electrical components.
| Specification | Nickel 200/201 | Monel 400 | Inconel 600 | Hastelloy C276 |
|---|---|---|---|---|
| Material Composition | Nickel (99.0% min), Iron, Manganese, Copper | Nickel (63-70%), Copper (28-34%), Iron, Manganese | Nickel (72% min), Chromium (14-17%), Iron, Manganese | Nickel (57% min), Molybdenum (16%), Chromium (16%), Iron |
| Tensile Strength (MPa) | 380-410 | 480-620 | 655-690 | 690-830 |
| Yield Strength (MPa) | 100-150 | 240-345 | 310-345 | 275-350 |
| Elongation (%) | 40-50 | 35-45 | 30-40 | 40-50 |
| Corrosion Resistance | Excellent in neutral to moderately reducing environments | Excellent in seawater and acidic environments | Excellent at high temperatures and in oxidizing conditions | Outstanding resistance to pitting and stress corrosion cracking |
| Operating Temperature | Up to 600°C | Up to 450°C | Up to 1150°C | Up to 1000°C |
| Standards | ASTM B161, ASTM B162 | ASTM B725, ASTM B165 | ASTM B163, ASTM B167 | ASTM B622, ASTM B619 |
| Common Applications | Food processing, chemical processing, aerospace | Marine engineering, chemical processing, oil and gas | Aerospace, power generation, chemical processing | Chemical processing, pollution control, waste treatment |
| Density (g/cm³) | 8.89 | 8.8 | 8.47 | 8.89 |
| Thermal Conductivity (W/m·K) | 90 | 22 | 15 | 10 |
| Electrical Resistivity (µΩ·m) | 6.84 | 0.52 | 1.10 | 1.28 |
| Size Range | 1/8” to 24” NPS | 1/8” to 24” NPS | 1/8” to 24” NPS | 1/8” to 24” NPS |
| Wall Thickness Range | Sch 10 to Sch 160 | Sch 10 to Sch 160 | Sch 10 to Sch 160 | Sch 10 to Sch 160 |
Carbon steel seamless tubes are widely used in various industries due to their strength, durability, and ability to withstand high pressures and temperatures. These tubes are made from solid steel billets and are formed without seams, resulting in a smooth, uniform structure that enhances their mechanical properties.
Strength: High tensile and yield strength, making them suitable for heavy-duty applications.
Durability: Resistant to wear and tear, providing long service life.
| Specification | ASTM A106 Grade B | ASTM A53 Grade B | ASTM A333 Grade 6 | API 5L Grade B |
|---|---|---|---|---|
| Material Composition | Carbon (0.3% max), Manganese (1.0% max), Phosphorus (0.035% max), Sulfur (0.035% max) | Carbon (0.3% max), Manganese (1.2% max), Phosphorus (0.05% max), Sulfur (0.045% max) | Carbon (0.29% max), Manganese (1.06% max), Phosphorus (0.025% max), Sulfur (0.025% max) | Carbon (0.28% max), Manganese (1.20% max), Phosphorus (0.03% max), Sulfur (0.03% max) |
| Tensile Strength (MPa) | 415 min | 415 min | 415 min | 415 min |
| Yield Strength (MPa) | 240 min | 240 min | 240 min | 245 min |
| Elongation (%) | 30-35 | 25-30 | 35-60 | 20-30 |
| Corrosion Resistance | Good in high-temperature applications | Good for general use, can be galvanized for additional protection | Good in low-temperature applications | Suitable for oil and gas environments |
| Operating Temperature | -29°C to 427°C | -29°C to 260°C | -45°C to 260°C | Varies depending on environment |
| Standards | ASTM A106, ASME SA106 | ASTM A53, ASME SA53 | ASTM A333, ASME SA333 | API 5L, ISO 3183 |
| Common Applications | Power plants, refineries, petrochemical plants, boilers | Transport of water, gas, oil, steam, and other fluids | Cryogenic applications, petrochemical plants | Oil and gas pipelines, structural applications |
| Density (g/cm³) | 7.85 | 7.85 | 7.85 | 7.85 |
| Thermal Conductivity (W/m·K) | 51.9 | 51.9 | 51.9 | 51.9 |
| Electrical Resistivity (µΩ·m) | 0.18 | 0.18 | 0.18 | 0.18 |
| Size Range | 1/8” to 24” NPS | 1/8” to 24” NPS | 1/8” to 24” NPS | 1/8” to 48” NPS |
| Wall Thickness Range | Sch 10 to Sch XXS | Sch 10 to Sch XXS | Sch 10 to Sch XXS | Sch 10 to Sch XXS |
Stainless steel seamless tubes are integral to various industries due to their exceptional strength, corrosion resistance, and ability to withstand extreme temperatures. Made from solid stainless steel billets, these tubes are formed without seams, ensuring a smooth, uniform structure that enhances their mechanical properties and overall performance. Stainless steel seamless tubes can be fabricated using various methods such as cutting, bending, and welding. Proper techniques and equipment are necessary to maintain the material's integrity and prevent contamination.
| Specification | ASTM A213 TP304 / TP304L | ASTM A213 TP316 / TP316L | ASTM A312 TP321 | ASTM A312 TP347 |
|---|---|---|---|---|
| Material Composition | Chromium (18-20%), Nickel (8-11%), Carbon (0.08% max), Manganese (2% max), Silicon (1% max), Phosphorus (0.045% max), Sulfur (0.03% max) | Chromium (16-18%), Nickel (10-14%), Molybdenum (2-3%), Carbon (0.08% max), Manganese (2% max), Silicon (1% max), Phosphorus (0.045% max), Sulfur (0.03% max) | Chromium (17-19%), Nickel (9-12%), Titanium (5xC to 0.7%), Carbon (0.08% max), Manganese (2% max), Phosphorus (0.045% max), Sulfur (0.03% max) | Chromium (17-19%), Nickel (9-13%), Columbium/Tantalum (10xC to 1%), Carbon (0.08% max), Manganese (2% max), Phosphorus (0.045% max), Sulfur (0.03% max) |
| Tensile Strength (MPa) | 515 min | 515 min | 515 min | 515 min |
| Yield Strength (MPa) | 205 min | 205 min | 205 min | 205 min |
| Elongation (%) | 35 min | 35 min | 35 min | 35 min |
| Corrosion Resistance | Excellent in corrosive environments | Excellent in corrosive environments | Excellent in high-temperature environments | Excellent in high-temperature environments |
| Operating Temperature | Up to 870°C | Up to 870°C | Up to 870°C | Up to 870°C |
| Standards | ASTM A213, ASME SA213 | ASTM A213, ASME SA213 | ASTM A312, ASME SA312 | ASTM A312, ASME SA312 |
| Common Applications | Chemical processing, food and beverage industry, pharmaceuticals | Marine applications, chemical processing, medical devices | Aerospace, high-temperature chemical processing | Aircraft exhaust stacks, power generation equipment |
| Density (g/cm³) | 8.0 | 8.0 | 8.0 | 8.0 |
| Thermal Conductivity (W/m·K) | 16.2 | 16.2 | 16.2 | 16.2 |
| Electrical Resistivity (µΩ·m) | 0.73 | 0.73 | 0.73 | 0.73 |
| Size Range | 1/8” to 5” NPS | 1/8” to 5” NPS | 1/8” to 5” NPS | 1/8” to 5” NPS |
| Wall Thickness Range | Sch 10 to Sch 160 | Sch 10 to Sch 160 | Sch 10 to Sch 160 | Sch 10 to Sch 160 |
Duplex and super duplex stainless steel tubes are advanced alloys known for their exceptional corrosion resistance, high strength, and excellent mechanical properties. These tubes offer superior performance in aggressive environments such as those containing chlorides and sulfides, making them ideal for demanding applications in industries like oil and gas, chemical processing, and marine engineering. Duplex and super duplex stainless steel tubes can be fabricated using standard methods such as cold and hot forming, machining, and welding. Careful consideration must be given to welding procedures to maintain the material's corrosion resistance and mechanical properties.
| Specification | Duplex Stainless Steel | Super Duplex Stainless Steel |
|---|---|---|
| Material Composition | Chromium (22-26%), Nickel (4.5-6.5%), Molybdenum (2.5-3.5%), Nitrogen (0.1-0.3%) | Chromium (24-26%), Nickel (6-8%), Molybdenum (3-5%), Nitrogen (0.2-0.3%) |
| Tensile Strength (MPa) | 620 min | 750 min |
| Yield Strength (MPa) | 450 min | 550 min |
| Elongation (%) | 25 min | 25 min |
| Corrosion Resistance | Excellent resistance to chloride stress corrosion cracking and pitting | Superior resistance to chloride environments, excellent pitting resistance |
| Operating Temperature | Up to 250°C in general environments | Up to 300°C in aggressive environments |
| Standards | ASTM A789/A789M, ASTM A790/A790M | ASTM A789/A789M, ASTM A790/A790M |
| Common Applications | Oil and gas industry (pipelines, offshore platforms), chemical processing | Desalination plants, seawater systems, chemical processing |
| Density (g/cm³) | 7.8 | 7.8 |
| Thermal Conductivity (W/m·K) | 19-25 | 19-25 |
| Electrical Resistivity (µΩ·m) | 0.8-1.0 | 0.8-1.0 |
| Size Range | 1/8” to 12” NPS | 1/8” to 12” NPS |
| Wall Thickness Range | Sch 10 to Sch 160 | Sch 10 to Sch 160 |