GNEE is one of the leading manufacturers and suppliers of duplex stainless steel S31803 coils. Our coils are manufactured to internationally recognized standards and quality requirements, suitable for a wide range of industrial applications.
We use 100% pure raw materials to produce duplex stainless steel S31803 coils, ensuring high product quality. Duplex stainless steel 31803 hot-rolled coils are used in pipeline manufacturing for the oil and gas exploration industry, as well as in the manufacturing of food processing equipment. Furthermore, duplex stainless steel 31803 cold-rolled coils have important applications in chemical processing, storage, and transportation, and are widely used in the manufacture of various components for storage tanks and pressure vessels.
After manufacturing, our 2205 duplex stainless steel coils undergo various tests, such as hardness testing, intergranular corrosion testing, flaring tests, and other multiple inspection processes. The final products are then safely transported to various destinations domestically and internationally.
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Specifications Of S31803 Coils
| Specs. | Hot Rolled | Cold Rolled |
|---|---|---|
| Thickness | 3–16mm | 0.3–8mm |
| Width | 20–300mm | 20–300mm |
| Thickness Tolerance | According to EN, ASTM, JIS, etc. | According to EN, ASTM, JIS, etc. |
| Width Tolerance | ±0.10–±0.50mm | ±0.10–±0.50mm |
| Length Tolerance | ±0.5%* Set Length | ±0.5%* Set Length |
| Shear Burr | 0.03–5%* Thickness | 0.03–5%* Thickness |
| Package | Bare packing, paper interleave, lamination, waterproof paper, wood beam, wooden pallet. | |
Chemical Composition of Duplex Steel S31803 Coils
| UNS Designation | Type | Composition, % B | |||||||||
| C | Mn | P | S | Si | Cr | Ni | N | Mo | Other Elements C | ||
| S31803 | . . . | 0.030 | 2.00 | 0.030 | 0.020 | 1.00 | 21.0-23.0 | 4.5-6.5 | 0.08-0.20 | 2.5-3.5 | . . . |
Mechanical Properties of DSS S31803 Sheet
| UNS Designation | Type | Condition | Tensile Strength, min, ksi [MPa] | Yield Strength,A min, ksi [MPa] | Elongation in 2 in. [50 mm] or 4D, min, % | Reduction of Area, min, %B,C | Brinell Hardness, max |
| S31803 | . . . | annealed | 90 [620] | 65 [450] | 25 | . . . | 290 |
Industrial Applications of S31803 Plate
ASTM A182 duplex stainless steel F51 plate has a wide range of applications, covering various industries such as oil and gas exploration, chemical processing, desalination, pulp and paper manufacturing, and marine engineering. It is commonly used in the manufacture of heat exchangers, pressure vessels, pipelines, and structural components subjected to harsh corrosive environments.
Duplex Stainless Steel S31803 Plate Price Details
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GNEE stocks a wide range of standard specifications of DSS S31803 products and can export them at the best prices, including duplex stainless steel S31803 checkered plates, perforated plates, gaskets, and slit coils.
Stainless Steel 2205 Coil Suppliers In China
Factory Capacity: Over 50,000 square meters of production area, equipped with CNC cutting, slitting, and polishing production lines, with an annual export volume exceeding 30,000 tons, fully compliant with ISO 9001, SGS, and BV certifications.
Quality Assurance: 100% PMI testing, ultrasonic flaw detection, and mechanical performance testing. Advanced annealing and leveling equipment ensures consistent flatness and precision.
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GNEE exports 2205 stainless steel coils, UNS S32205 stainless steel coils, ASTM A240 uns31803 stainless steel coils to countries including Saudi Arabia, Bangladesh, the United Arab Emirates, Brazil, Russia, Indonesia, Egypt, Iran, Kuwait, Taiwan, Oman, Qatar, South Africa, Australia, Pakistan, and Malaysia.
Hot Tags: ASME SA240 UNS S31803 Hot Rolled Stainless Steel Coils,Stainless steel plate
