Monel 400 (UNS N04400) :-
Composition: Approximately 63% Nickel, 28-34% Copper, and small amounts of Iron, Manganese, Carbon, and Silicon.
Characteristics: Outstanding corrosion resistance in a wide range of environments, including seawater, hydrofluoric acid, sulfuric acid, and alkalies. Good mechanical properties from sub-zero temperatures up to 1000°F (538°C).
Monel K-500 (UNS N05500)
Composition: Similar to Monel 400 but with the addition of aluminum and titanium.
Characteristics: Enhanced strength and hardness due to age-hardening, while retaining the excellent corrosion resistance of Monel 400.
| Specification | Standard | Grade | Material | Description |
|---|---|---|---|---|
| ASTM/ASME SB 165/B725/8730 | UNS N04400 | Monel 400 | Nickel-Copper Alloy | Seamless and Welded Pipes & Tubes |
| ASTM/ASME SB 165/B725/730 | UNS N05500 | Monel K500 | Nickel-Copper Alloy | Higher strength and hardness compared to Monel 400 |
Inconel pipes and tubes maintain structural integrity at temperatures ranging from cryogenic to
over 2000°F (1093°C), making them ideal for applications in furnaces, reactors, and exhaust
systems.
Inconel's resistance to corrosion by various acids, alkalis, and salt solutions, even at high
concentrations and temperatures, ensures longevity and reliability in harsh chemical processing
environments.
Inconel forms a protective oxide layer at high temperatures, preventing oxidation and maintaining
structural stability, crucial in applications such as jet engines and gas turbines.
Inconel alloys offer good weldability, facilitating ease of fabrication and assembly in complex
engineering projects without compromising structural integrity.
| Specification | Standard | UNS Designation | Material | Form | Description |
|---|---|---|---|---|---|
| Inconel 825 | ASTM/ASME SB 423/B705/B704 | UNS N08825 | Nickel-Iron-Chromium | Pipe, Tube | Corrosion-resistant, used in chemical processing, pollution control, oil and gas recovery. |
| Inconel 600 | ASTM/ASME SB 167/B517/B516 | UNS N06600 | Nickel-Chromium-Iron | Pipe, Tube | High-temperature oxidation resistance, used in furnace components, chemical and food processing. |
| Inconel 800 (800H/800HT) | ASTM/ASME SB 407/B514/B515 | UNS N08810/N08811 | Nickel-Iron-Chromium | Pipe, Tube | High strength, excellent corrosion resistance, used in petrochemical and nuclear power plants. |
| Inconel 625 | ASTM/ASME SB 444/B705/B704 | UNS N06625 | Nickel-Chromium-Molybdenum | Pipe, Tube | High strength, resistance to pitting and crevice corrosion, used in aerospace, marine applications. |
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 | Standard | UNS Designation | Grade | Material | Form | Description |
|---|---|---|---|---|---|---|
| Duplex S32205 | ASTM A/ASME SA 790 | UNS S32205 | 2205 | Duplex Stainless Steel | Pipe, Tube | High strength, excellent corrosion resistance, used in chemical processing, oil and gas, marine environments. |
| Duplex S32760 | ASTM A/ASME SA 790 | UNS S32760 | Zeron 100 | Super Duplex Stainless Steel | Pipe, Tube | Superior corrosion resistance, high strength, used in aggressive environments, seawater, and chemical processing. |
| Duplex S31803 | ASTM A/ASME SA 790 | UNS S31803 | 2205 | Duplex Stainless Steel | Pipe, Tube | Similar to S32205, high strength, good corrosion resistance, used in chemical processing, oil and gas, marine environments. |
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 | EN Standard | Grade | Chemical Composition | Description |
|---|---|---|---|---|
| Stainless Steel 304 | EN 1.4301 | UNS S30400 | Ni: 8-10.5%, Cr: 18-20%, Fe: Balance, Mn: 2% max, Si: 1% max, P: 0.045% max, S: 0.03% max, C: 0.08% max | Excellent corrosion resistance and formability. Used in food processing, chemical, and architectural applications. |
| Stainless Steel 304L | EN 1.4307 | UNS S30403 | Ni: 8-12%, Cr: 18-20%, Fe: Balance, Mn: 2% max, Si: 1% max, P: 0.045% max, S: 0.03% max, C: 0.03% max | Similar to 304 but with lower carbon content for better weldability. Used in chemical processing and storage tanks. |
| Stainless Steel 316 | EN 1.4401 | UNS S31600 | Ni: 10-14%, Cr: 16-18%, Mo: 2-3%, Fe: Balance, Mn: 2% max, Si: 1% max, P: 0.045% max, S: 0.03% max, C: 0.08% max | Superior corrosion resistance especially against chlorides. Used in marine, chemical, and medical applications. |
| Stainless Steel 316L | EN 1.4404 | UNS S31603 | Ni: 10-14%, Cr: 16-18%, Mo: 2-3%, Fe: Balance, Mn: 2% max, Si: 1% max, P: 0.045% max, S: 0.03% max, C: 0.03% max | Similar to 316 but with lower carbon content for improved weldability. Used in marine, chemical, and medical applications. |
| Stainless Steel 317L | EN 1.4438 | UNS S31703 | Ni: 11-15%, Cr: 18-20%, Mo: 3-4%, Fe: Balance, Mn: 2% max, Si: 1% max, P: 0.045% max, S: 0.03% max, C: 0.03% max | Higher molybdenum content for improved corrosion resistance. Used in chemical processing and paper mill equipment. |
| Stainless Steel 321 | EN 1.4541 | UNS S32100 | Ni: 9-12%, Cr: 17-19%, Ti: 0.7%, Fe: Balance, Mn: 2% max, Si: 1% max, P: 0.045% max, S: 0.03% max, C: 0.08% max | Stabilized with titanium for improved resistance to intergranular corrosion. Used in high-temperature applications. |
| Stainless Steel 347 | EN 1.4550 | UNS S34700 | Ni: 9-13%, Cr: 17-20%, Nb: 10xC min, Fe: Balance, Mn: 2% max, Si: 1% max, P: 0.045% max, S: 0.03% max, C: 0.08% max | Stabilized with niobium for improved resistance to intergranular corrosion. Used in high-temperature and welded applications. |
In the dynamic landscape of industrial infrastructure, the choice of materials plays a pivotal
role in ensuring reliability, durability, and efficiency. Alloy steel pipes and tubes emerge
as vital components, offering a blend of strength, versatility, and corrosion resistance to meet
the diverse needs of modern industries. Let's explore the myriad benefits and applications of
alloy steel pipes and tubes.
Alloy steel, fortified with elements such as chromium, molybdenum, and nickel, exhibits superior
mechanical properties compared to conventional carbon steel. This enhanced strength enables alloy
steel pipes and tubes to withstand high-pressure environments, making them indispensable in
critical applications such as oil and gas transportation, power generation, and structural
frameworks.
| Specification | Standard | Grade | Material | Form | Description |
|---|---|---|---|---|---|
| Alloy Steel P1 | ASTM A/ASME SA 335 | P1 | Chrome-Molybdenum Alloy Steel | Pipe | Moderate strength and good weldability, used in high-temperature applications. |
| Alloy Steel P5 | ASTM A/ASME SA 335 | P5 | Chrome-Molybdenum Alloy Steel | Pipe | Higher strength and improved corrosion resistance, used in chemical and power industries. |
| Alloy Steel P9 | ASTM A/ASME SA 335 | P9 | Chrome-Molybdenum Alloy Steel | Pipe | High temperature and pressure applications, good oxidation resistance. |
| Alloy Steel P11 | ASTM A/ASME SA 335 | P11 | Chrome-Molybdenum Alloy Steel | Pipe | Used in power plants, refineries, and chemical plants for high-temperature service. |
| Alloy Steel P12 | ASTM A/ASME SA 335 | P12 | Chrome-Molybdenum Alloy Steel | Pipe | Similar to P11, used in high-temperature and high-pressure environments. |
| Alloy Steel P22 | ASTM A/ASME SA 335 | P22 | Chrome-Molybdenum Alloy Steel | Pipe | Excellent high-temperature strength, used in pressure vessels and boilers. |
| Alloy Steel P91 | ASTM A/ASME SA 335 | P91 | Chrome-Molybdenum Alloy Steel | Pipe | High creep strength, used in ultra-supercritical boilers and power plants. |
| Alloy Steel P92 | ASTM A/ASME SA 335 | P92 | Chrome-Molybdenum Alloy Steel | Pipe | Improved version of P91, used in high-temperature, high-pressure applications. |
| Alloy Steel 1 Cr | ASTM A/ASME SA 691 | 1 Cr | Chromium Alloy Steel | Pipe | Moderate strength and good resistance to oxidation and corrosion. |
| Alloy Steel 11/4 Cr | ASTM A/ASME SA 691 | 1 1/4 Cr | Chromium Alloy Steel | Pipe | Enhanced strength and corrosion resistance, used in high-temperature applications. |
| Alloy Steel 21/4 Cr | ASTM A/ASME SA 691 | 2 1/4 Cr | Chromium Alloy Steel | Pipe | High strength and good creep resistance, used in pressure vessels and power plants. |
| Alloy Steel 5 Cr | ASTM A/ASME SA 691 | 5 Cr | Chromium Alloy Steel | Pipe | Excellent high-temperature strength and corrosion resistance, used in petrochemical plants. |
| Alloy Steel 9 Cr | ASTM A/ASME SA 691 | 9 Cr | Chromium Alloy Steel | Pipe | Superior high-temperature strength and oxidation resistance, used in power plants and refineries. |
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 | Standard | Grade | Material | Form | Description |
|---|---|---|---|---|---|
| Carbon Steel A53 Gr. A | ASTM A/ASME SA 53 | Gr. A | Carbon Steel | Pipe, Tube | General purpose, used for low/medium pressure applications, good weldability. |
| Carbon Steel A53 Gr. B | ASTM A/ASME SA 53 | Gr. B | Carbon Steel | Pipe, Tube | Higher strength than Gr. A, used in steam, water, gas, and air lines. |
| Carbon Steel A106 Gr. A | ASTM A/ASME SA 106 | Gr. A | Carbon Steel | Pipe, Tube | Suitable for high-temperature service, good weldability and forming properties. |
| Carbon Steel A106 Gr. B | ASTM A/ASME SA 106 | Gr. B | Carbon Steel | Pipe, Tube | Higher strength than Gr. A, widely used in the oil and gas industry. |
| Carbon Steel A106 Gr. C | ASTM A/ASME SA 106 | Gr. C | Carbon Steel | Pipe, Tube | Highest strength in the A106 series, used in high-temperature and high-pressure applications. |
| Carbon Steel API 5L Gr. B | API 5L | Gr. B | Carbon Steel | Pipe, Tube | Used for pipeline transportation systems in the petroleum and natural gas industries. |
| Carbon Steel API 5L X42 | API 5L | X42 | Carbon Steel | Pipe, Tube | Higher strength than Gr. B, used for pipeline transportation of oil and gas. |
| Carbon Steel API 5L X46 | API 5L | X46 | Carbon Steel | Pipe, Tube | Higher strength, suitable for higher pressure pipeline applications. |
| Carbon Steel API 5L X52 | API 5L | X52 | Carbon Steel | Pipe, Tube | Moderate to high strength, used in the transmission of oil and gas. |
| Carbon Steel API 5L X56 | API 5L | X56 | Carbon Steel | Pipe, Tube | Higher strength than X52, used in higher pressure pipeline applications. |
| Carbon Steel API 5L X60 | API 5L | X60 | Carbon Steel | Pipe, Tube | High strength, used in pipeline systems for petroleum and natural gas industries. |
| Carbon Steel API 5L X65 | API 5L | X65 | Carbon Steel | Pipe, Tube | Higher strength than X60, used for higher pressure transmission of oil and gas. |
| Carbon Steel API 5L X70 | API 5L | X70 | Carbon Steel | Pipe, Tube | Very high strength, suitable for high-pressure and long-distance pipeline transportation. |
| Carbon Steel API 5L X80 | API 5L (PSL1 & PSL2) | X80 | Carbon Steel | Pipe, Tube | Extremely high strength, used in demanding pipeline applications. |
| Carbon Steel A671 Gr. 60 | ASTM A/ASME SA 671 | Gr. 60 | Carbon Steel | Pipe | Electric-fusion-welded, used in moderate and high-temperature service. |
| Carbon Steel A671 Gr. 60 Cl. 12 | ASTM A/ASME SA 671 | Gr. 60 Cl. 12 | Carbon Steel | Pipe | Specific class for specific temperature and pressure applications. |
| Carbon Steel A671 Gr. 60 Cl. 22 | ASTM A/ASME SA 671 | Gr. 60 Cl. 22 | Carbon Steel | Pipe | Electric-fusion-welded, used in specific high-temperature and high-pressure applications. |
| Carbon Steel A671 Gr. 60 Cl. 32 | ASTM A/ASME SA 671 | Gr. 60 Cl. 32 | Carbon Steel | Pipe | Tailored for high-temperature and high-pressure service with specific class requirements. |
| Carbon Steel A672 Gr. 60 | ASTM A/ASME SA 672 | Gr. 60 | Carbon Steel | Pipe | Electric-fusion-welded, used in moderate and high-temperature service. |
| Carbon Steel A672 Gr. 60 Cl. 12 | ASTM A/ASME SA 672 | Gr. 60 Cl. 12 | Carbon Steel | Pipe | Class-specific for moderate and high-temperature service. |
| Carbon Steel A672 Gr. 60 Cl. 22 | ASTM A/ASME SA 672 | Gr. 60 Cl. 22 | Carbon Steel | Pipe | Designed for specific high-temperature and high-pressure applications. |
| Carbon Steel A672 Gr. 60 Cl. 32 | ASTM A/ASME SA 672 | Gr. 60 Cl. 32 | Carbon Steel | Pipe | Tailored for high-temperature and high-pressure service with specific class requirements. |
