Located in the industrial landscape of Manama, Bahrain, Niazi Stainless stands as a trusted partner for critical piping components. We specialize in providing high-performance Stainless Steel 347 Flanges, engineered to meet the rigorous demands of various industries. Our commitment lies in delivering products that are not only reliable and durable but also manufactured to the highest standards of precision, ensuring seamless integration and long-lasting performance in even the most challenging environments.
Stainless Steel 347 Flanges are distinguished by their specific composition, which includes a deliberate addition of niobium. This element acts as a stabilizer, providing exceptional resistance to intergranular corrosion. This characteristic allows these flanges to excel in high-temperature settings, where they maintain excellent mechanical strength and toughness. This unique combination of properties prevents material degradation over time, making them a fundamentally sound choice.
| 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. Niazi Stainless stands by the delivery of flanges with the highest level of industry standards in functionality and safety.
These specific qualities make Stainless Steel 347 Flanges indispensable in demanding sectors. You will typically find them in critical applications within the petrochemical industry, power generation plants, and specialized chemical processing, particularly where high temperatures are a constant factor. Their stability and resistance are crucial for assemblies in aircraft exhaust systems, heat exchangers, and refinery equipment, where safety and longevity are paramount, ensuring reliable performance where it matters most.
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