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Nickel pipes are widely used in various industries due to their excellent mechanical properties, corrosion resistance, and ability to withstand high temperatures. These pipes are made from nickel or nickel alloys, offering a combination of strength, durability, and versatility. Nickel pipes can be fabricated using standard techniques, including welding, brazing, and soldering. Special care is needed to avoid contamination and to ensure proper welding practices to maintain the integrity of the material. Nickel pipes, with their unique properties and wide range of applications, are a critical component in many industrial processes. Proper selection, fabrication, and maintenance can maximize their benefits and ensure optimal performance in demanding environments.
| 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 many corrosive 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 B167, ASTM B168 | 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 |
Carbon Steel Seamless Pipes also known as Carbon Steel Pipes are perfect for use in a variety of industries and applications. Carbon steel mainly refers to the steel whose mechanical properties depend on the carbon content in the steel. The pipes and tubes are made from high-quality steel with characteristics of excellent strength & ability to withstand the pressure used in variety of industries like refineries, petrochemical, shipbuilding, infrastructure etc.
| 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) | 415-550 | 415-495 | 415-485 | 414-524 |
| Yield Strength (MPa) | 240-275 | 240-345 | 240-275 | 241 |
| Elongation (%) | 20-30 | 20-30 | 20-35 | 20-30 |
| Operating Temperature Range | -29°C to 427°C | -29°C to 427°C | -45°C to 415°C | -29°C to 200°C |
| Standards | ASTM A106/A106M | ASTM A53/A53M | ASTM A333/A333M | API 5L |
| Common Applications | High-temperature service in power plants, refineries, petrochemical plants | Transport of water, gas, oil, steam, and other fluids | Low-temperature service in cryogenic applications, petrochemical plants | Oil and gas transmission pipelines, structural applications |
| Density (g/cm³) | 7.85 | 7.85 | 7.85 | 7.85 |
| Thermal Conductivity (W/m·K) | 48.5 | 48.5 | 48.5 | 48.5 |
| Size Range | 1/8” to 48” NPS | 1/8” to 26” NPS | 1/8” to 48” NPS | 1/2” to 48” NPS |
| Wall Thickness Range | Sch 10 to Sch 160 | Sch 10 to Sch 160 | Sch 10 to Sch 160 | Sch 10 to Sch 160 |
Stainless Steel Seamless Pipes are widely used in where high temperature strength & corrosion are critical in industries fields like refineries, petrochemical, fluid transportation, chemical plants distilleries, fertilizers, food industry etc. With appropriate processes, they have superior performance in high pressure, high strength. In comparison to other types of piping, seamless pipes do not require any welding and are simply formed by solid round billets, which adds on to its strength.
| Specification | ASTM A312 TP304 | ASTM A312 TP316 | ASTM A312 TP321 | ASTM A312 TP347 |
|---|---|---|---|---|
| Material Composition | Chromium (18-20%), Nickel (8-10.5%), Carbon (0.08% max), Manganese (2% max), Phosphorus (0.045% max), Sulfur (0.03% max), Silicon (1% max) | Chromium (16-18%), Nickel (10-14%), Molybdenum (2-3%), Carbon (0.08% max), Manganese (2% max), Phosphorus (0.045% max), Sulfur (0.03% max), Silicon (1% max) | Chromium (17-19%), Nickel (9-12%), Titanium (5xC min), Carbon (0.08% max), Manganese (2% max), Phosphorus (0.045% max), Sulfur (0.03% max), Silicon (1% max) | Chromium (17-19%), Nickel (9-13%), Columbium + Tantalum (10xC min), Carbon (0.08% max), Manganese (2% max), Phosphorus (0.045% max), Sulfur (0.03% max), Silicon (1% 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 | 35 | 35 | 35 |
| Corrosion Resistance | Excellent in oxidizing environments | Excellent in oxidizing and reducing environments | Excellent in oxidizing environments, especially at elevated temperatures | Excellent in oxidizing environments, especially at elevated temperatures |
| Operating Temperature | Up to 870°C | Up to 870°C | Up to 870°C | Up to 870°C |
| Standards | ASTM A312, ASME SA312 | ASTM A312, ASME SA312 | ASTM A312, ASME SA312 | ASTM A312, ASME SA312 |
| Common Applications | Chemical processing, food processing, petrochemical, power generation | Chemical processing, marine, pharmaceutical, food processing | Aerospace, chemical processing, expansion joints, thermal oxidizers | Chemical processing, petroleum refining, thermal oxidizers |
| Density (g/cm³) | 8.0 | 8.0 | 8.0 | 8.0 |
| Thermal Conductivity (W/m·K) | 16.2 | 16.3 | 16.0 | 16.0 |
| Electrical Resistivity (µΩ·m) | 0.72 | 0.74 | 0.78 | 0.73 |
| 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 5 to Sch XXS | Sch 5 to Sch XXS | Sch 5 to Sch XXS | Sch 5 to Sch XXS |
Duplex stainless steels are based around an alloying addition of 22% chromium whereas Super Duplex stainless steels are based around an alloying addition of 25% chromium. Both Duplex pipes are made from a form of austenitic-ferritic stainless steel, based upon iron with alloying additions of chromium, nickel and molybdenum. Duplex pipes have great strength, very high corrosion resistant, heat resistant and great weldability. They are used widely in marine, chemical processing, water treatment etc.
| Specification | ASTM A790 UNS S31803 (Duplex 2205) | ASTM A790 UNS S32750 (Super Duplex 2507) | ASTM A790 UNS S32760 (Super Duplex) |
|---|---|---|---|
| Material Composition | Chromium (21-23%), Nickel (4.5-6.5%), Molybdenum (2.5-3.5%), Nitrogen (0.08-0.2%), Carbon (0.03% max), Manganese (2% max), Phosphorus (0.03% max), Sulfur (0.02% max), Silicon (1% max) | Chromium (24-26%), Nickel (6-8%), Molybdenum (3-5%), Nitrogen (0.24-0.32%), Carbon (0.03% max), Manganese (1.2% max), Phosphorus (0.035% max), Sulfur (0.02% max), Silicon (0.8% max) | Chromium (24-26%), Nickel (6-8%), Molybdenum (3-4%), Copper (0.5-1%), Tungsten (0.5-1%), Nitrogen (0.2-0.3%), Carbon (0.03% max), Manganese (1% max), Phosphorus (0.03% max), Sulfur (0.01% max), Silicon (1% max) |
| Tensile Strength (MPa) | 620 min | 800 min | 750 min |
| Yield Strength (MPa) | 450 min | 550 min | 550 min |
| Elongation (%) | 25 | 15 | 25 |
| Corrosion Resistance | Excellent resistance to pitting, crevice corrosion, and stress corrosion cracking | Outstanding resistance to pitting, crevice corrosion, and chloride stress corrosion cracking | Exceptional resistance to pitting, crevice corrosion, and chloride stress corrosion cracking |
| Operating Temperature | Up to 300°C | Up to 300°C | Up to 300°C |
| Standards | ASTM A790, ASME SA790 | ASTM A790, ASME SA790 | ASTM A790, ASME SA790 |
| Common Applications | Oil and gas, chemical processing, marine environments, desalination plants | Offshore oil and gas, chemical processing, marine applications, desalination plants | Offshore oil and gas, chemical processing, petrochemical industries, desalination plants |
| Density (g/cm³) | 7.8 | 7.8 | 7.8 |
| Thermal Conductivity (W/m·K) | 19 | 15 | 14 |
| Electrical Resistivity (µΩ·m) | 0.82 | 0.84 | 0.85 |
| Size Range | 1/8” to 24” NPS | 1/8” to 24” NPS | 1/8” to 24” NPS |
| Wall Thickness Range | Sch 10 to Sch XXS | Sch 10 to Sch XXS | Sch 10 to Sch XXS |