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Hashmi Sheets and Plates is a reputable manufacturer and supplier based in Doha, Qatar, specializing in top-notch Super Duplex Steel Circles designed for demanding industrial applications. The company has built a solid reputation for its precision manufacturing, consistent quality, and commitment to international standards. Catering to sectors like oil and gas, petrochemical, marine, power generation, and infrastructure, Hashmi Sheets and Plates delivers Super Duplex Steel Circles that boast an excellent surface finish and precise dimensions. With a strong foundation in technical expertise, modern facilities, and a customer-centric approach, the company has established itself as a reliable supplier of high-performance Super Duplex Steel products throughout the Middle East.
Super Duplex Steel Circle is crafted from a well-balanced mix of chromium, molybdenum, nickel, and nitrogen, resulting in a unique dual-phase austenitic-ferritic microstructure. This special composition provides outstanding resistance to pitting, crevice corrosion, and stress corrosion cracking. On the mechanical side, Super Duplex Steel Circle showcases impressive tensile and yield strength, excellent fatigue resistance, and good impact toughness. It remains stable and performs well under high pressure and fluctuating temperatures, making it stronger and more durable than traditional austenitic stainless steels in corrosive and high-stress environments.
| Specifications | ASTM A240 / ASME SA240 |
| Dimensions | EN, DIN, JIS, ASTM, BS, ASME, AISI |
| Thickness | 1 mm To 100 mm |
| Diameter | Upto 2000 mm |
| Circle | 3″ DIA up to 38″ DIA 1500 lbs max |
| Rings | 3″ OD up to 48″ OD Up to 900 lbs max |
| Cutting | Plazma & Machined Cut |
| Finish | HR, CR, 2B, 2D, BA NO(8), SATIN (Met with Plastic Coated) |
| Form | Cold Rolled Circle, Small Flat Circle, Industrial Circle, Perforated Circle, Forged Steel Circles, Cnc Finish Circle, Polished Unique Circle, Hot Rolled Circle, Fey Laminar Rings, Proof Machined Rings, Cold Rolled Rings, Hot Rolled Rings, McInnes Rolled Rings, Die-Formed Rings, Forging Rings, CNC Machined Rings. |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Hashmi Sheets and Plates based in Doha, Qatar, is a leading supplier and stockist of high-quality metal products, including Sheets, Plates, Coils, Foils, Angles, Channels, Circles, and Slitting Coils, all offered with exceptional service and tailored to meet our customers specific requirements. With a focus on delivering superior products, we cater to a wide range of industries, providing reliable solutions for diverse applications. Our extensive inventory includes Known for our unique finishing techniques and commitment to quality. We are dedicated to ensuring customer satisfaction through dependable service and top-notch products.
Super Duplex Steel Circles offer several advantages, making them ideal for challenging environments. They provide exceptional corrosion resistance, particularly in harsh settings such as marine or chemical industries, due to their balanced composition. Their high tensile and yield strength enable excellent load-bearing capabilities, reducing material requirements and costs. With superior resistance to pitting, crevice corrosion, and stress corrosion cracking, they ensure long-lasting performance. Additionally, they exhibit excellent weldability and machinability, simplifying fabrication. The combination of durability, strength, and corrosion resistance makes them a cost-effective choice for demanding industrial applications.
Yes, we offer custom sizes for Super Duplex Steel Circle to meet specific project needs. Our team at Hashmi Sheets and Plates is dedicated to providing tailored solutions for all your requirements. For more details, contact us at sales@aaronsheetsplates.com.
| Size | 18 G. | 19 G. | 20 G. | 22 G. | 24 G. | 26 G. |
| .4.5 | .0-107 | 0-085 | 0-080 | 0-062 | 0.049 | 0-040 |
| 5 | 0-120 | 0-095 | 0-090 | 0-070 | 0-055 | 0-045 |
| 5.5 | 0-146 | 0-119 | 0-109 | 0-085 | 0-066 | 0-054 |
| 6 | 0-172 | 0-136 | 0-130 | 0-100 | 0-079 | 0-064 |
| 6.5 | 0-200 | 0-153 | 0-150 | 0-128 | 0-093 | 0-074 |
| 7 | 0-235 | 0-190 | 0-176 | 0-136 | 0-107 | 0-088 |
| 7.5 | 0.270 | 0.212 | 0.201 | 0-157 | 0-123 | 0-100 |
| 8 | 0-307 | 0-240 | 0-230 | 0-180 | 0-140 | 0-115 |
| 8.5 | 0-347 | 0-270 | 0-262 | 0-202 | 0-156 | 0-130 |
| 9 | 0-388 | 0-330 | 0-301 | 0-230 | 0-178 | 0-145 |
| 9.5 | 0-472 | 0-342 | 0-324 | 0-252 | 0-198 | 0-162 |
| 10 | 0-480 | 0-380 | 0-360 | 0-280 | 0-220 | 0-180 |
| 11 | 0-580 | 0-450 | 0-435 | 0-338 | 0-266 | 0-218 |
| 12 | 0-690 | 0-540 | 0-518 | 0-403 | 0-318 | 0-253 |
| 13 | 0-811 | 0-640 | 0-508 | 0-608 | 0-371 | 0-304 |
| 14 | 0-940 | 0-750 | 0-708 | 0-558 | 0-430 | 0-352 |
| 15 | 1-080 | 0-860 | 0-808 | 0-650 | 0-495 | 0-405 |
| 16 | 1-228 | 0-960 | 0-921 | 0-736 | 0-563 | 0-460 |
| 17 | 1-382 | 1-080 | 0-940 | 0-809 | 0-635 | 0-560 |
| 18 | 1-595 | 1-200 | 1-116 | 0-907 | 0-712 | 0-683 |
| 19 | 1-732 | 1-350 | 1-300 | 1-010 | 0-794 | 0-750 |
| 20 | 1-920 | 1-400 | 1-340 | 1-120 | 0-880 | 0-785 |
| RAW MATERIAL | MAX. HARDNESS | TEMPERATURE | ABBREVIATIONSMARKER | |
| BRUCELLOSIS | ROCKWELL | |||
| SOFT IRON | 90 | 56 | -60 540 | D |
| LOW CB STEEL | 120 | 68 | -40 540 | S |
| 304SS | 160 | 83 | -250 700b | 304 |
| 304LSS | 150 | 83 | -250 450 | 304L |
| 316SS | 160 | 83 | -200 700b | 316 |
| 316LSS | 150 | 83 | -200 450 | 316L |
| 321SS | 160 | 83 | -200 700b | 321 |
| 347SS | 160 | 83 | -200 700b | 347 |
| 410SS | 170 | 86 | -40 650 | 410 |
| 5Cr-0.5Mo | 130 | -29 650 | ||
| COPPER | 80 | -100 315 | ||
| ALUMINUM | 35 | -200 425 | ||
| INCONEL 600 | 150 | -100 1095 | ||
| INCOLOY 825 | 160 | -100 1095 | ||
| MONEL 400 | 150 | -100 760 | ||
| TITANIUM | 215 | -200 540 | ||
| NICHEL 200 | 110 | -200 760 | ||
| HASTELLOY C276 | 200 | -100 1095 | ||
Super Duplex Steel Circle finds its place in industries that demand exceptional strength and corrosion resistance. You’ll commonly see it used in offshore oil and gas equipment, pressure vessels, heat exchangers, desalination plants, and chemical processing units. These circles are also integral to marine structures, power generation systems, and heavy engineering components. Thanks to their high strength-to-weight ratio and excellent machinability, Super Duplex Steel Circles are perfect for crafting flanges, valves, fittings, pump components, and other critical parts that face aggressive and chloride-rich conditions.
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