Harsh Metalloys stands out as a top manufacturer and supplier of Stainless Steel 202 Flanges, proudly based in Mumbai, India. SS 202 is an austenitic stainless steel that combines chromium, nickel, and manganese, offering a budget-friendly alternative to the 300 series. These flanges are appreciated for their strength, versatility, and decent corrosion resistance, making them perfect for a variety of low to medium-pressure applications. Harsh Metalloys produces SS 202 flanges in several styles—like slip-on, weld neck, blind, socket weld, threaded, and lap joint—adhering to international standards such as ASTM A182 and ANSI B16.5, catering to sectors like plumbing, construction, and general engineering.
When it comes to composition and mechanical properties, Stainless Steel 202 Flanges consist of around 17–19% chromium, 4–6% nickel, and 7.5–10% manganese, along with small amounts of carbon, nitrogen, silicon, and phosphorus. These flanges boast a tensile strength of about 515 MPa, a yield strength of 275 MPa, and an elongation of 40%. They are non-magnetic when annealed, although some magnetism can occur with cold working. SS 202 flanges are known for their good toughness, weldability, and moderate corrosion resistance, making them reliable in indoor settings and mildly corrosive environments, especially where high strength is needed at a lower cost.
| ASME/ANSI B16.5 | Welding Neck Flange, Slipon Flange, Blind Flange, High Hub Blind Flange, Socket Weld Flange, Lap Joint Flange, Threaded Flange, Ring Type Joint Flange |
| Pressure Class | 150, 300, 400, 600, 900, 1500, 2500 |
| ASME/ANSI B16.47 | Welding Neck Flange, Blind Flange (Series A & B) |
| Pressure Class | 75, 150, 300, 400, 600, 900 |
| ASME/ANSI B 16.36 | (Orifice Flanges) Welding Neck Flange, Slipon Flange, Threaded Flange |
| Pressure Class | 300, 400, 600, 900, 1500, 2500 |
| BS 4504 SEC 3.1 | Welding Flange (111/134), Hubbed Slipon Flange (112), Hubbed Threaded Flange (113), Lapped Pipe End Flange (133), Plate Flange (101), Loose Plate Flange (102), Loose Plate with Weld-neck Flange (104), Blank Flange (105) |
| Pressure Class | PN 2.5 to PN 100 |
| Grade 202 | C | Mn | Si | P | S | Cr | Ni | N |
| max. | 0.15 | 7.50-10 | 1 | 0.060 | 0.030 | 17- 19 | 4-6 | 0.25 |
| Grade | Tensile Strength (MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50mm) min |
| 202 | 515 | 275 | 40 |
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Testing and certification of all Harsh Metalloys Flanges of Stainless Steel 202 will be done at all levels so that the material will be completely tested for performance and quality. The flange is tested as per international standards for mechanical, chemical, and dimensional inspections. With every order, CoC and MTR are provided with traceability against industry requirements. In response to specific requirements of a project, PMI, hardness tests, and other kinds of testing may be requested on an additional testing basis.
SS 202 Slip-On Flanges offer a cost-effective solution with easy installation and excellent resistance to corrosion. Ideal for a range of applications, they combine durability with a versatile design for reliable performance.
Stainless Steel 202 Weld Neck Flanges provide robust, high-strength connections with superior resistance to corrosion. Ideal for high-pressure and high-temperature applications, they ensure a reliable and secure joint in demanding environments.
SS 202 Blind Flanges are designed to seal the end of a pipeline or vessel, offering excellent resistance to corrosion and high pressure. Ideal for maintenance and inspection purposes, they ensure secure, leak-proof closures.
Stainless Steel 202 Threaded Flanges provide a secure, leak-proof connection with easy installation and removal. Ideal for applications requiring high corrosion resistance, they offer durability and strength in various industrial settings.
SS Socket 202 Weld Flanges feature a recessed socket for easy welding, providing a strong, corrosion-resistant connection. Ideal for high-pressure applications, they offer durability and reliable performance in challenging environments.
Stainless Steel 202 Lap Joint Flanges offer flexibility with easy alignment and disassembly. Their corrosion-resistant properties make them ideal for systems requiring frequent maintenance, ensuring durable and reliable connections.
Stainless Steel 202 Flanges are commonly found in various applications like structural frameworks, water supply systems, low-pressure pipelines, industrial equipment, and general fabrication. They’re particularly well-suited for automotive exhaust systems, architectural structures, light-duty chemical processing lines, and home piping systems. With their moderate corrosion resistance, these flanges work great in non-marine and non-acidic settings, such as building supports, air conditioning ducting, and food processing equipment. SS 202 flanges provide a dependable and cost-effective option for low to moderate pressure connections, where durability, ease of installation, and affordability are key, without needing the higher corrosion resistance that comes with 300 series stainless steels.







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