Duplex Steel UNS S31803 Sheets & Plates Sheets & Plates Manufacturer & Supplier in India
Steel Gems supplies Duplex Steel UNS S31803 Sheets & Plates that are built for demanding industrial environments where standard stainless steels struggle to perform. This grade is well known for its balanced strength and corrosion resistance, making it a practical choice for applications exposed to moisture, chemicals, and marine conditions.
We focus on supplying material that remains consistent in quality and performance from batch to batch. This ensures that engineers and fabricators can rely on predictable behavior during manufacturing as well as in final application use.
ASTM A240 Duplex Steel S31803 Plates, Duplex Steel S31803 Plates, UNS S31803 Sheets, Duplex S31803 Plate, Duplex Steel S31803 Shim Sheets Manufacturers in India
From a performance standpoint, UNS S31803 demonstrates strong resistance to chloride-induced pitting corrosion, crevice corrosion, and stress corrosion cracking, making it suitable for service in aggressive chloride-bearing environments. The molybdenum and nitrogen content in the alloy enhances localized corrosion resistance, particularly in seawater and chemical processing conditions where passive film breakdown is a critical failure mode.
Industries We Serve - Duplex Steel UNS S31803 Sheets & Plates
Duplex Steel UNS S31803 Sheets & Plates are commonly specified across industries where both mechanical reliability and corrosion performance are critical to service conditions. This grade is widely adopted in chemical processing environments, offshore oil and gas installations, marine engineering systems, desalination plants, heat exchanger units, and pressure-containing equipment.
Leading Suppliers of Duplex Steel S31803 CR Sheets, Duplex Steel S31803 Sheets, Duplex Stainless Steel S31803 Sheets, Duplex S31803 Plates with Tested Quality in Mumbai, India.
We ensures that every supply of Duplex S31803 Sheets & Plates is maintained with strict control over chemical composition, mechanical consistency, and dimensional accuracy. This ensures predictable performance during fabrication processes such as machining, forming, and welding, where maintaining phase balance and controlling heat input is essential for long-term reliability.
Duplex Steel UNS S31803 Sheets & Plates Specifications
| Specifications | ASTM A240 / ASME SA240 |
|---|---|
| Width | 1000mm, 1219mm, 1500mm, 1800mm, 2010mm, 2500mm, 3000mm, 3500mm etc |
| Length | 2010mm, 2440mm, 3000mm, 5800mm, 2010mm etc |
| Thickness | 0.3 mm to 120 mm |
| Hardness | Soft, Hard, Half Hard, Quarter Hard, Spring Hard etc |
| Finish | Hot Rolled Plate (HR), Cold Rolled Sheet (CR), 2B, 2D, BA No.8, Satin (with Plastic Coated) |
Duplex Steel UNS S31803 Sheets & Plates Chemical Composition
| Grade | S31803 |
|---|---|
| C | 0.030 max |
| Mn | 2.00 max |
| Si | 1.00 max |
| P | 0.030 max |
| S | 0.020 max |
| Cr | 22.0 – 23.0 |
| Mo | 3.0 – 3.5 |
| Ni | 4.50 – 6.50 |
| N | 0.14 – 0.20 |
| Fe | 63.72 min |
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Steel Gems is a reliable supplier of Duplex Steel UNS S31803 Sheets & Plates in India, catering to major industrial and manufacturing hubs such as Mumbai, Pune, Delhi, Chennai, Ahmedabad, and Hyderabad. Our operations are structured to meet varied industrial requirements with a consistent focus on material quality, dependable stock availability, and efficient dispatch timelines.
Duplex Steel UNS S31803 Sheets & Plates Equivalent Grades
| Standard | Werkstoff Nr. | UNS |
|---|---|---|
| Duplex 2205 | 1.4462 | S31803 |