Duplex Stainless Pipe and Pipe Fittings
Duplex Stainless Steel
Duplex Stainless Pipe and Pipe Fittings
The demand for duplex stainless steel pipes and pipe fittings has surged owing to their superior strength and corrosion resistance properties. Comprising a blend of austenitic and ferritic stainless steels, these pipes outperform traditional stainless steel counterparts. A notable advantage of duplex pipes is their ability to endure harsh environments, making them especially valuable in industries like oil and gas. Seamless duplex piping, in particular, excels in high-pressure and high-temperature applications.
Apart from robustness, duplex stainless steel pipes demonstrate excellent resistance to corrosion caused by chemicals and saltwater. This makes them an optimal choice for marine applications such as shipbuilding and offshore drilling platforms. Adhering to the ASTM A312 standard ensures that the manufacturing process meets stringent quality benchmarks. Available in various sizes, shapes, and lengths, duplex pipes cater to diverse industrial needs.
At Ashapura Steel, our inventory offers a comprehensive array of duplex stainless steel pipes and pipe fittings. With varying sizes, schedules, and grades, we address the specific requirements of different industries, be it for fluid transportation, heat exchangers, or other applications.
These pipes find extensive use in the chemical processing industry due to their exceptional resistance to corrosion from acids and chemicals. Whether threaded or welded, duplex stainless steel pipes, when combined with valves, create sophisticated piping systems capable of handling demanding industrial processes.
Types of Duplex Stainless Steel Plates
Lean Duplex Stainless Steel Plates
Standard Duplex Stainless Steel Plates
Super Duplex Stainless Steel Plates
Hyper Duplex Stainless Steel Plates
Fabrication Techniques for Duplex Stainless Steel Plates
Duplex Stainless Steel Plate Grade And Specification
Item | Duplex Stainless Steel Plate (Hot rolled,cold rolled) |
---|---|
Standard | ASTM A240,JIS4304-2005,ASTM A167,EN10088-2-2005,GB/T3280-2007, etc |
Material | 304 ,316, 321, 317L, 310 , 347 , 904L.,Duplex 2205, Super Duplex 2507 |
Surface | the surface and finish of stainless steel plate:2B,2D,BA,NO.1,NO.4,NO.8,8K,mirror,checkered,embossed,hair line,sandblast,Brush,etching,etc |
Thickness | 0.01~200mm |
Width | 1000mm,1219mm,1500mm,1800mm,2000mm,2500mm,3000mm,3500mm,etc |
Length | 2000mm,2440mm,3000mm,5800mm,6000mm,etc |
Duplex Stainless steel Plates Weights
Thickness(inches) | Plate Weight per Unit Area | Density |
---|---|---|
3/16 | 0.06000 lbs/in²42.184176 kg/m² | 0.315 lbs/in³8.72 g/cm³ |
1/4 | 0.08 lbs/in²56.245568 kg/m² | |
3/8 | 0.121 lbs/in²85.0714216 kg/m² | |
1/2 | 0.161 lbs/in²113.1942056 kg/m² | |
5/8 | 0.196 lbs/in²137.8016416 kg/m² | |
3/4 | 0.235 lbs/in²165.221356 kg/m² | |
7/8 | 0.274 lbs/in²192.6410704 kg/m² | |
1 | 0.313 lbs/in²220.0607848 kg/m² | |
1 1/4 | 0.391 lbs/in²274.9002136 kg/m² | |
1 1/2 | 0.47 lbs/in²330.442712 kg/m² | |
1 3/4 | 0.549 lbs/in²385.9852104 kg/m² | |
2 | 0.627 lbs/in²440.8246392 kg/m² | |
2 1/4 | 0.705 lbs/in²495.664068 kg/m² | |
2 1/2 | 0.784 lbs/in²551.2065664 kg/m² | |
2 3/4 | 0.862 lbs/in²606.0459952 kg/m² | |
3 | 0.941 lbs/in²661.5884936 kg/m² |
Duplex Stainless Steel Plates Sizes
Size (in inches) | Size (in mm) |
---|---|
.125" | 3.18 |
.134" | 3.4 |
.156" | 3.96 |
.187" | 4.75 |
.250" | 6.35 |
.312" | 7.92 |
.375" | 9.53 |
.500" | 12.7 |
.625" | 15.9 |
.750" | 19.1 |
.875" | 22.2 |
1" | 25.4 |
1.125" | 28.6 |
1.250" | 31.8 |
1.500" | 38.1 |
1.750" | 44.5 |
2" | 50.8 |
2.500" | 63.5 |
3" | 76.2 |
Duplex Steel Plates Chemical Composition
C | Mn | Si | P | S | Cr | Mo | Ni | N | |
---|---|---|---|---|---|---|---|---|---|
"2205 (S31803)" | "0.03 max" | "2.0 max" | "1.0 max" | "0.03 max" | "0.02 max" | "min: 21.0 max: 23.0" | "min: 2.5 max: 3.5" | "min: 4.5 max: 6.5" | "min: 0.08 max: 0.20" |
"2205 (S32205)" | "0.03 max" | "2.0 max" | "1.0 max" | "0.03 max" | "0.02 max" | "min: 22.0 max: 23.0" | "min: 3.0 max: 3.5" | "min: 4.5 max: 6.5" | "min: 0.14 max: 0.20" |
Duplex Steel Plates Mechanical Composition
Grade | 2205 | UR52N+ |
---|---|---|
Tensile Strength (MPa) | 620 | 770 |
Proof Stress 0.2% (MPa) | 450 | 550 |
Elongation A5 (%) | 25 | 25 |
Industrial Application of Duplex Stainless Steel Plates
Defence & Aerospace
Defence & Aerospace
Oil/Gas
Oil/Gas
Speciality Valves & Vacuum
Speciality Valves & Vacuum
Precision Components
Precision Components
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FAQ
Duplex Steel Plates are typically manufactured using hot or cold rolling techniques, followed by annealing or heat treatment to improve the material’s properties. The plates can also be finished with various coatings and treatments to enhance their properties.
Duplex Steel Plates are typically made from grades such as UNS S31803, UNS S32205, and UNS S32750. These grades offer a balance of strength and corrosion resistance, making them suitable for a wide range of applications. Know more
Duplex Steel Plates must meet various industry standards, such as ASTM A240 for sheet and plate, and ASTM A790 for seamless and welded pipe. Other standards may also apply, depending on the specific application and industry.Know more
Duplex Steel Plates offer higher strength and corrosion resistance compared to traditional austenitic stainless steel. They are also more resistant to stress corrosion cracking and have a higher resistance to pitting and crevice corrosion. However, they may be more expensive and require more care during fabrication and welding.