Khaleed Stainless, Riyadh, Saudi Arabia, is a renowned manufacturer and supplier of high-quality stainless steel products, known for its dedication to precision engineering and customer satisfaction. The organization offers a vast array of stainless steel flanges designed to serve the needs of demanding industries. Stainless Steel 347 Flanges are notable for their high-temperature resistance, superior corrosion resistance, and strength that lasts. Manufactured to stringent quality standards, these flanges are extensively utilized in numerous industrial processes, providing customers with robust, long-lasting, and economical solutions for flanging and piping applications across the globe.
Stainless Steel 347 Flanges consist of 9–13% nickel, 18–20% chromium, and 0.75% niobium with small levels of manganese, carbon, and silicon. Niobium stabilization prevents carbide precipitation upon welding and offers protection against intergranular corrosion. The alloy has good high-temperature oxidation resistance, which makes it dependable for long service in aggressive conditions. Its mechanical properties are tensile strength of approximately 515–700 MPa, yield strength of 205 MPa, and elongation of 40–50%. The combination of composition and strength provides durability as well as performance in harsh industrial conditions.
| Standard | ASTM A182 / ASME SA182 |
| Dimensions | ANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN |
| Standard | ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges |
| Size | 1/2″ (15 NB) to 48″ (1200NB) |
| Class/Pressure | 150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 |
| Flange Face Type | Flate Face (FF), Raised Face (RF), Ring Type Joint (RTJ) |
| Grade | C | Mn | Si | P | S | Cr | Cb | Ni | Fe |
| 347 | 0.08 | 2.0 | 1.0 | 0.045 | 0.030 | 17.00 – 20.00 | 10xC – 1.10 | 9.00 – 13.00 | 62.74 min |
| Grade | Tensile Strength (MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50mm) min | Hardness | |
| Rockwell B (HR B) max | Brinell (HB) max | ||||
| 347 | 515 | 205 | 35 | 92 | 201 |
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SS 347 socket weld flanges, manufactured from stainless steel alloy 347, ensure secure pipe connections with enhanced corrosion resistance and high-temperature strength, suitable for high-pressure systems in various industries.
SS 347 ring type joint flanges, constructed from stainless steel alloy 347, provide leak-proof connections with excellent corrosion resistance and high-temperature performance, ideal for high-pressure and critical service applications.
SS 347 forged flanges, made from stainless steel alloy 347, offer superior strength, excellent corrosion resistance, and high-temperature endurance, making them ideal for demanding industrial applications and high-pressure environments.
We offers the best quality Stainless Steel 347 Flanges which has undergone intense testing to produce top quality and performance. The flange is thoroughly tested for meeting international standards and specifications. Products supplied by us are certified by recognized authorities for traceability and reliability in each batch. With modern technology and strict quality control, we ensure durability, corrosion resistance, and good mechanical properties. Khaleed Stainless stands by the delivery of flanges with the highest level of industry standards in functionality and safety.
Stainless Steel 347 Flanges find extensive use in corrosion-resistant applications, high-temperature applications, and applications that demand stability at high temperatures. They are widely utilized in chemical processing, petrochemical facilities, and power generation plants where reliability in harsh heat is paramount. Because of their resistance to intergranular corrosion, they are ideal for use in welded structures in challenging environments. These flanges are also utilized in aerospace, food processing, and pharmaceutical applications for their strength and corrosion resistance against oxidation. Common applications include reactors, heat exchangers, boilers, and pressure vessels in high-temperature applications.
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