SUPER Duplex steel pipes and tubes are indeed manufactured to meet specific specifications, making them suitable for a wide range of applications in various industries. Here are some key points about duplex steel pipes and tubes:
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Standard specifications: Duplex steel pipes and tubes are manufactured to meet specific standard specifications, ensuring their quality, performance, and compatibility with various applications. These specifications may include dimensions, tolerances, material composition, and mechanical properties.
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Wide range of applications: Duplex steel pipes and tubes find application in many industries, including hydraulic, chemical, oil processing, offshore drilling, chemical processing, and food processing. The versatility of duplex steel makes it suitable for different environments and requirements within these industries.
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Leak and gas leak safe: Duplex steel pipes and tubes often come with seals or connections that provide leak-safe and gas leak-safe performance. This is crucial in industries where fluid or gas containment is critical, ensuring safety and preventing any leaks that could lead to environmental or operational hazards.
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Convenient installation: Duplex steel pipes and tubes are designed for easy and convenient installation. This allows for efficient and cost-effective implementation in various projects, reducing installation time and labor requirements.
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Chemical and corrosion resistance: Duplex steel offers excellent resistance to corrosion and chemical attack, making it highly suitable for applications in aggressive environments. It can withstand exposure to corrosive substances, acids, and chlorides, providing long-lasting performance and durability.
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Economically viable: Duplex steel pipes and tubes are considered economically viable due to their combination of excellent properties and competitive pricing. The material's durability, corrosion resistance, and low maintenance requirements contribute to its cost-effectiveness over the long term.
SUPER DUPLEX STAINLESS STEEL PIPES AND TUBES EQUIVALENT GRADES
| STANDARD | UNS | WNR. |
|---|---|---|
| Duplex Steel 2205 | S31803 / S32205 | 1.4462 |
CHEMICAL COMPOSITION OF SUPER DUPLEX STEEL PIPES / TUBES
| Grade | Common Name | C% | Mn% | Si% | P% | S% | Cr% | Ni% | Mo% | N% |
|---|---|---|---|---|---|---|---|---|---|---|
| 2205 | S31803 | 0.030 | 2.00 | 1.00 | 0.030 | 0.020 | 21.0-23.0 | 4.5-6.5 | 2.5-3.5 | 0.08-0.20 |
| S32205 | 0.030 | 2.00 | 1.00 | 0.030 | 0.020 | 22.0-23.0 | 4.5-6.5 | 3.0-3.5 | 0.14-0.20 |
MECHANICAL PROPERTIES OF SUPER DUPLEX STEELPIPES AND TUBES
| Tensile Strength, ksi | 90 min |
|---|---|
| 0.2% Yield Strength, ksi | 65 min |
| Elongation, % | 25 min |
| Hardness [HRC] | 293 max |
PHYSICAL PROPERTIES OF SUPER DUPLEX PIPES AND TUBES
| Density lbm/in3 | Electrical Resistivity mW•in | Thermal Conductivity (BTU/hr•ft•°F) | Heat Capacity BTU/lbm•°F | Electrical Resistivity (in x 10-6) | |
|---|---|---|---|---|---|
| at 68°F | 0.278 | 27.6 | 8.7 | 0.112 | 33.5 |
| at 212°F | 26.1 | 9.2 | 0.119 | 35.4 | |
| at 392°F | 25.4 | 9.8 | 0.127 | 37.4 | |
| at 572°F | 24.9 | 10.4 | 0.134 | 39.4 |
SUPER Duplex Steel Pipes & Tubes Application Industries
Our SUPER Duplex Steel Pipes & Tubes are used in a wide range of applications and various industries. Below are a few of them:
Petrochemical Industry
Oil and Gas Industry
Chemical Industry
Power Plant Industry
Energy Industry
Pharmaceuticals Industry
Pulp & Paper Indusry
Food Processing Industry
Aerospace Industry
Refining Industry
| STANDARD | UNS | WNR. |
|---|---|---|
| Super Duplex Steel 2507 | S32760 / S32750 | 1.4410 |
| C | Cr | Ni | Mo | N | Others |
|---|---|---|---|---|---|
| 0.020 | 25 | 7 | 4.0 | .27 | S=0.001 |
| Ultimate Tensile Strength, ksi | 116 min. |
|---|---|
| 0.2% Offset Yield Strength 0.2%, ksi | 80 min. |
| 0.1% Offset Yield Strength 0.2%, ksi | 91 min. |
| Elongation in 2 inches, % | 15 min. |
| Hardness Rockwell C | 32 max. |
| Impact Energy, ft.-lbs. | 74 min. |
| Density | lb/in3 | 0.28 |
|---|---|---|
| Modulus of Elasticity | psi x 106 | 29 |
| Coefficient of Thermal Expansion 68-212°F/°F |
x10-6/°F | 7.2 |
| Thermal Conductivity | Btu/h ft °F | 8.7 |
| Heat Capacity | Btu/lb/°F | 0.12 |
| Electrical Resistivity | W-in x 10-6 | 31.5 |
