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ASTM A789 1/2 Inch S31803 Duplex Stainless Steel Tube
SSDST23
Price: From $5500-8000USD/TON
Material: S32205, S31803, 1.4462;
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ASTM A789 1 / 2 Inch S31803 1.4462 Duplex Stainless Steel Tube With High Tensile Strength
Why Choose MTSCO Duplex Steel Tube?
1. Seamless tube supplier invested by MTSCO - Huxin Pipe, a highly reliable seamless pipe manufacturer with 35 years of experience in pipe production
The Size of Duplex Steel Tube:
| DN | NPS(Inch) | D(mm) | SCH5S | SCH10S | SCH40S | STD | SCH40 | SCH80 | XS | SCH80S | SCH160 | XXS |
| 6 | 1/8 | 10.30 | - | 1.24 | 1.73 | 1.73 | 1.73 | 2.41 | 2.41 | 2.41 | - | - |
| 8 | 1/4 | 13.70 | - | 1.65 | 2.24 | 2.24 | 2.24 | 3.02 | 3.02 | 3.02 | - | - |
| 10 | 3/8 | 17.10 | - | 1.65 | 2.31 | 2.31 | 2.31 | 3.20 | 3.20 | 3.20 | - | - |
| 15 | 1/2 | 21.30 | 1.65 | 2.11 | 2.77 | 2.77 | 2.77 | 3.73 | 3.73 | 3.73 | 4.78 | 7.47 |
| 20 | 3/4 | 26.70 | 1.65 | 2.11 | 2.87 | 2.87 | 2.87 | 3.91 | 3.91 | 3.91 | 5.56 | 7.82 |
| 25 | 1 | 33.40 | 1.65 | 2.77 | 3.38 | 3.38 | 3.38 | 4.55 | 4.55 | 4.55 | 6.35 | 9.09 |
| UNS Designation | C | Si | Mn | P | S | Cr | Ni | Mo | N | Cu |
| max | max | max | max | max | ||||||
| S31803 | 0.03 | 1 | 2 | 0.03 | 0.02 | 21.0 - 23.0 | 4.5 - 6.5 | 2.5 - 3.5 | 0.08 - 0.20 | - |
| S32205 | 0.03 | 1 | 2 | 0.03 | 0.02 | 22.0 - 23.0 | 4.5 - 6.5 | 3.0 - 3.5 | 0.14 - 0.20 | - |
| S32750 | 0.03 | 0.8 | 1.2 | 0.035 | 0.02 | 24.0 - 26.0 | 6.0 - 8.0 | 3.0 - 5.0 | 0.24 - 0.32 | 0.5 max |
| S32760 | 0.05 | 1 | 1 | 0.03 | 0.01 | 24.0 - 26.0 | 6.0 - 8.0 | 3.0 - 4.0 | 0.20 - 0.30 | 0.50 -1.00 |
What is Duplex Steel Tube?
MTSCO Seamless Tube Production Process:
ASTM A789 Duplex Steel Seamless and Welded Tubing
Duplex steel is a stainless steel that combines two phases, ferrite and austenite, which has excellent corrosion resistance, high strength, high toughness and good welding performance. Seamless and welded tubes of duplex steel are a widely used material in the industrial piping industry, which can maintain stable and reliable performance in harsh environments such as high temperature and pressure, high corrosion, and high abrasion. There are various standards for manufacturing seamless and welded pipes of duplex steel, one of which is the ASTM A789 standard, and the next section will focus on the properties and application areas of pipes of this standard.
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Seamless Duplex Stainless Steel Tube ASTM A789 S31803 / 2205 / 1.4462
A special type of stainless steel tube, the Duplex Seamless tube, comprises two crystalline structures: austenite and ferrite. This tube offers exceptional corrosion resistance and high strength, merging the superior corrosion resistance of austenitic stainless steel with the robust strength of ferr......
