UNS S31803 Duplex Stainless Steel Seamless Pipe
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UNS S31803 Duplex Stainless Steel Seamless Pipe
Product Introduction
ASTM A790 UNS S31803 is a specification for duplex steel materials, which are steel alloys containing chromium and molybdenum. These alloying elements enhance the strength and corrosion resistance of the pipes. SA 790 UNS S31803 belongs to the super duplex grade, offering even higher strength and improved corrosion resistance. Duplex grades are categorized into three groups: Duplex, Lean Duplex, and Super Duplex. Super Duplex is specifically used in applications operating at high temperatures.
With the presence of the alloy, Duplex Steel UNS S31803 Seamless Pipe has properties which make them useful in the industrial applications. Some of the properties that the seamless pipe show are corrosion resistance ability, great durability, ductility, weldability, stability in the elevated temperatures and etc. This is the reason that they are used in the industries such as petrochemical, pharmaceuticals, oil and gas, pulp and paper are there which uses the manufactured seamless pipes.
ASTM A790 UNS S31803 Duplex Stainless Steel Seamless Pipes
| Specification | ASTM A789, ASTM A790, ASTM A928, ASME SA789, ASME SA790, ASME SA928 |
| Type | Seamless / Welded / ERW / EFW / Cold Draw / Hot Finish / Cold Finish |
| Outer Diameter Size | Seamless - 1/2" NB TO 18" NB Welded / ERW- 1" NB TO 16" NB EFW - 8" NB TO 110" NB |
| Wall Thickness | Schedule 10 to Schedule 160 (3 mm to 100 mm Thickness) |
| Length | 01 Meter to 12.5 Meters, Single Random Length, Double Random Length And Customize Size. |
| Ends | Plain Ends / Beveled Ends |
| Delivery Conditions | As Rolled, Formed, Stress Relieved, Annealed, Hardened, Tempered, Cold Draw, Bright Annealed |
| Coating | Electropolish, Mechanical Polish, Satin Finish, Passivated |
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