The ASTM A182 F51 flanges and forged fittings order is a repeat from our regular customer in Thailand. Due to the successful operation of the previous batch of duplex stainless steel pipe fittings orders, this customer is very satisfied with our products and services, so they quickly sent us a second batch of product orders. This batch of orders includes ASTM A182 F51 duplex stainless steel material for welding neck flanges, socket weld flanges, forged threadolet, and socketolet. We quickly completed the production of the order and provided customers with testing, spectral photos, and corresponding packaging and shipping information.
What Is ASTM A182 F51
ASTM A182 F51 is a high-strength, corrosion-resistant duplex stainless steel material composed of approximately 40-50% ferrite. This duplex microstructure provides high strength at the ferrite level while retaining the corrosion resistance at the austenite level. Its chemical composition mainly includes alloy elements such as chromium, nickel, molybdenum, and nitrogen, which can form a strong corrosion-resistant layer to prevent the medium from corroding the material.
This material has excellent corrosion resistance, good mechanical properties, as well as good weldability and processability. ASTM A182 F51 exhibits excellent corrosion resistance in environments such as high temperature and pressure, saline water, and marine mining. At the same time, it also has good resistance to scattered corrosion and intergranular corrosion, which can effectively ensure the safety and reliability of production equipment and pipelines. In addition, ASTM A182 F51 duplex stainless steel can still maintain excellent performance in high-temperature environments.
ASTM A182 F51 Flanges
ASTM A182 F51 flange is forged by ASTM A182 F51 duplex stainless steel. Also known as duplex stainless steel 2205 flange,ASTM A182 UNS S313803 flange.In corrosive environments such as high temperature and pressure, saline water, and ocean mining, the ASTM A182 F51 flange exhibits excellent corrosion resistance, effectively resisting the erosion of various corrosive media, ensuring the safety and reliability of production equipment and pipelines. Meanwhile, the ASTM A182 F51 flange has a long service life, even in complex corrosive environments. In addition, it can maintain excellent performance in high-temperature environments and meet the needs of various high-temperature working conditions.
Chemical Composition
| C | Mn | P | S | Si | Ni | Cr | Mo | N | |
| MIN | 4.50 | 21.00 | 2.50 | 0.08 | |||||
| MAX | 0.03 | 2.00 | 0.030 | 0.020 | 1.00 | 6.50 | 23.00 | 3.50 | 0.20 |
Mechanical Properties
| MATERIAL | T.S (MPA) | Y.S (MPA) | EL % | R/A % | HARDNESS |
| ASTM A182 F51 | 620 min | 450 min | 35 min | 45 min | 290 max |
ASTM A182 F51 flanges are widely used in fields such as petroleum, chemical, and marine engineering to connect pipelines and equipment, ensuring the safety and stability of fluid transmission.
How To Package ASTM A182 F51 Flanges
The ASTM A182 F51 flanges is made of duplex stainless steel material and has a higher cost compared to ordinary stainless steel flanges. Therefore, in order to avoid damage during transportation, we will install flange protection pads to protect the sealing surface during ASTM A182 F51 flanges packaging, and adopt wooden box packaging for customers. Wooden boxes have good protection and stability, which can effectively prevent vibration and impact during transportation from causing damage to the flange. We will also cover the surface of the flange with a layer of plastic film to prevent erosion by pollutants such as dust and moisture during transportation and storage. This packaging method is often used in combination with wooden or cardboard boxes. In addition, we will also fill the wooden box with flexible packaging such as bubble wrap to avoid flange damage during transportation.
