Stainless Steel 321 Weld Neck Flanges are crafted from a stabilized grade of stainless steel, which is particularly designed to offer enhanced resistance to intergranular corrosion. This makes them a perfect choice for applications that require high-temperature strength and resistance to chemical attack. With its superior mechanical properties, Stainless Steel 321 provides excellent toughness, even at cryogenic temperatures. The addition of titanium as a stabilizing element helps to prevent carbide precipitation during welding, making these flanges ideal for high-temperature service up to 1500\u00b0F (816\u00b0C).<\/span><\/p>\n

Specifications of Stainless Steel 321 Weld Neck Flange<\/strong><\/span><\/h2>\n\n\n\n\n\n\n\n\n\n\n\n\n\n

Specification<\/span><\/th>\n	Details<\/span><\/th>\n<\/tr>\n<\/thead>\n
Standard<\/span><\/td>\n	ASTM A182, ASME SA182<\/span><\/td>\n<\/tr>\n
Size Range<\/span><\/td>\n	1\/2″ NB to 48″ NB<\/span><\/td>\n<\/tr>\n
Pressure Class<\/span><\/td>\n	150#, 300#, 600#, 900#, 1500#, 2500#<\/span><\/td>\n<\/tr>\n
Type<\/span><\/td>\n	Weld Neck Flange<\/span><\/td>\n<\/tr>\n
Material<\/span><\/td>\n	Stainless Steel 321<\/span><\/td>\n<\/tr>\n
Dimensions<\/span><\/td>\n	ANSI\/ASME B16.5, B16.47, DIN, EN, JIS, GOST<\/span><\/td>\n<\/tr>\n
Face Type<\/span><\/td>\n	Raised Face (RF), Flat Face (FF), Ring Type Joint (RTJ)<\/span><\/td>\n<\/tr>\n
Flange Face Finish<\/span><\/td>\n	Serrated, Smooth, Spiral Serrated<\/span><\/td>\n<\/tr>\n
Applications<\/span><\/td>\n	Oil & Gas, Petrochemical, Power Generation, Water Treatment, etc.<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n Key Applications of Stainless Steel 321 Weld Neck Flanges<\/strong><\/span><\/h3>\n Our Stainless Steel 321 Weld Neck Flanges are widely used across various industries, including the oil and gas sector, petrochemical plants, power generation facilities, and water treatment systems<\/strong>. Their excellent strength-to-weight ratio makes them suitable for high-pressure applications, while their resistance to cracking, pitting, and crevice corrosion ensures long-term reliability. Additionally, these flanges can handle fluctuating temperatures and pressures, making them a preferred choice in the chemical and marine industries.<\/span><\/p>\n Chemical Composition of Stainless Steel 321<\/strong><\/span><\/h3>\n\n\n\n\n\n\n\n\n\n\n\n\n Element<\/span><\/th>\n Composition (%)<\/span><\/th>\n<\/tr>\n<\/thead>\n Carbon (C)<\/span><\/td>\n 0.08 max<\/span><\/td>\n<\/tr>\n Manganese (Mn)<\/span><\/td>\n 2.00 max<\/span><\/td>\n<\/tr>\n Silicon (Si)<\/span><\/td>\n 0.75 max<\/span><\/td>\n<\/tr>\n Chromium (Cr)<\/span><\/td>\n 17.00 – 19.00<\/span><\/td>\n<\/tr>\n Nickel (Ni)<\/span><\/td>\n 9.00 – 12.00<\/span><\/td>\n<\/tr>\n Phosphorus (P)<\/span><\/td>\n 0.045 max<\/span><\/td>\n<\/tr>\n Sulfur (S)<\/span><\/td>\n 0.03 max<\/span><\/td>\n<\/tr>\n Titanium (Ti)<\/span><\/td>\n 5 x (C+N) to 0.70 max<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n Mechanical Properties of Stainless Steel 321<\/strong><\/span><\/h3>\n\n\n\n\n\n\n\n\n Property<\/span><\/th>\n Value<\/span><\/th>\n<\/tr>\n<\/thead>\n Tensile Strength<\/span><\/td>\n 515 MPa min<\/span><\/td>\n<\/tr>\n Yield Strength (0.2% Offset)<\/span><\/td>\n 205 MPa min<\/span><\/td>\n<\/tr>\n Elongation<\/span><\/td>\n 40% min<\/span><\/td>\n<\/tr>\n Hardness, Brinell (HB)<\/span><\/td>\n 217 max<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n Benefits of Using Stainless Steel 321 Weld Neck Flanges<\/strong><\/span><\/h3>\n <\/span><\/p>\n Stainless Steel 321 Weld Neck Flanges<\/strong> offer several benefits that enhance their performance and longevity in demanding applications. They are highly resistant to oxidation and scaling, even at elevated temperatures. These flanges also provide excellent resistance to stress corrosion cracking, making them suitable for use in environments where chloride exposure is a concern. The weld neck design of these flanges offers a smooth transition from the flange thickness to the pipe wall thickness, which reduces stress concentration and ensures a robust connection.<\/span><\/p>\n Price List for Stainless Steel 321 Weld Neck Flanges<\/strong><\/span><\/h3>\n At Sachiya Steel International, we offer competitive pricing for our Stainless Steel 321 Weld Neck Flanges<\/strong>. Our flanges are available in various sizes to meet the diverse needs of our customers. Below is a detailed price list for different sizes:<\/span><\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n Size (inches)<\/span><\/th>\n Price (INR)<\/span><\/th>\n Price (USD)<\/span><\/th>\n<\/tr>\n<\/thead>\n 1\/2″<\/span><\/td>\n 450<\/span><\/td>\n 6.00<\/span><\/td>\n<\/tr>\n 3\/4″<\/span><\/td>\n 550<\/span><\/td>\n 7.50<\/span><\/td>\n<\/tr>\n 1″<\/span><\/td>\n 700<\/span><\/td>\n 9.50<\/span><\/td>\n<\/tr>\n 1 1\/2″<\/span><\/td>\n 900<\/span><\/td>\n 12.00<\/span><\/td>\n<\/tr>\n 2″<\/span><\/td>\n 1,150<\/span><\/td>\n 15.50<\/span><\/td>\n<\/tr>\n 2 1\/2″<\/span><\/td>\n 1,400<\/span><\/td>\n 18.50<\/span><\/td>\n<\/tr>\n 3″<\/span><\/td>\n 1,800<\/span><\/td>\n 23.50<\/span><\/td>\n<\/tr>\n 4″<\/span><\/td>\n 2,400<\/span><\/td>\n 31.50<\/span><\/td>\n<\/tr>\n 6″<\/span><\/td>\n 3,500<\/span><\/td>\n 45.50<\/span><\/td>\n<\/tr>\n 8″<\/span><\/td>\n 5,000<\/span><\/td>\n 65.00<\/span><\/td>\n<\/tr>\n 10″<\/span><\/td>\n 6,800<\/span><\/td>\n 88.50<\/span><\/td>\n<\/tr>\n 12″<\/span><\/td>\n 8,900<\/span><\/td>\n 116.00<\/span><\/td>\n<\/tr>\n 14″<\/span><\/td>\n 10,500<\/span><\/td>\n 137.50<\/span><\/td>\n<\/tr>\n 16″<\/span><\/td>\n 13,000<\/span><\/td>\n 170.00<\/span><\/td>\n<\/tr>\n 18″<\/span><\/td>\n 15,500<\/span><\/td>\n 203.00<\/span><\/td>\n<\/tr>\n 20″<\/span><\/td>\n 18,000<\/span><\/td>\n 235.00<\/span><\/td>\n<\/tr>\n 24″<\/span><\/td>\n 22,000<\/span><\/td>\n 286.00<\/span><\/td>\n<\/tr>\n 30″<\/span><\/td>\n 30,000<\/span><\/td>\n 390.00<\/span><\/td>\n<\/tr>\n 36″<\/span><\/td>\n 38,000<\/span><\/td>\n 495.00<\/span><\/td>\n<\/tr>\n 42″<\/span><\/td>\n 47,000<\/span><\/td>\n 610.00<\/span><\/td>\n<\/tr>\n 48″<\/span><\/td>\n 58,000<\/span><\/td>\n 755.00<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n Importance of Dimension and Design in Stainless Steel 321 Weld Neck Flanges<\/strong><\/span><\/h3>\n The dimensions and design of Stainless Steel 321 Weld Neck Flanges<\/strong> are critical factors that influence their performance. Proper dimensions ensure a tight fit, reducing the risk of leaks and enhancing the integrity of the connection. The raised face design, often used in these flanges, provides a smooth, flat surface that allows for better sealing with gaskets, thus improving the overall durability and reliability of the piping system.<\/span><\/p>\n Dimensions Chart for Stainless Steel 321 Weld Neck Flanges<\/strong><\/span><\/h3>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n Nominal Pipe Size (NPS)<\/span><\/th>\n Outer Diameter (OD)<\/span><\/th>\n Thickness (t)<\/span><\/th>\n Raised Face Height (h)<\/span><\/th>\n Bore Diameter (B)<\/span><\/th>\n Bolt Circle Diameter (BC)<\/span><\/th>\n No. of Bolts<\/span><\/th>\n Bolt Size<\/span><\/th>\n<\/tr>\n<\/thead>\n 1\/2″<\/span><\/td>\n 89<\/span><\/td>\n 11.2<\/span><\/td>\n 1.6<\/span><\/td>\n 15<\/span><\/td>\n 60<\/span><\/td>\n 4<\/span><\/td>\n M12<\/span><\/td>\n<\/tr>\n 3\/4″<\/span><\/td>\n 98<\/span><\/td>\n 13.4<\/span><\/td>\n 1.6<\/span><\/td>\n 20<\/span><\/td>\n 70<\/span><\/td>\n 4<\/span><\/td>\n M12<\/span><\/td>\n<\/tr>\n 1″<\/span><\/td>\n 108<\/span><\/td>\n 14.6<\/span><\/td>\n 1.6<\/span><\/td>\n 25<\/span><\/td>\n 79<\/span><\/td>\n 4<\/span><\/td>\n M12<\/span><\/td>\n<\/tr>\n 1 1\/2″<\/span><\/td>\n 127<\/span><\/td>\n 16.8<\/span><\/td>\n 1.6<\/span><\/td>\n 38<\/span><\/td>\n 98<\/span><\/td>\n 4<\/span><\/td>\n M16<\/span><\/td>\n<\/tr>\n 2″<\/span><\/td>\n 152<\/span><\/td>\n 18.0<\/span><\/td>\n 1.6<\/span><\/td>\n 51<\/span><\/td>\n 120<\/span><\/td>\n 4<\/span><\/td>\n M16<\/span><\/td>\n<\/tr>\n 2 1\/2″<\/span><\/td>\n 178<\/span><\/td>\n 19.2<\/span><\/td>\n 1.6<\/span><\/td>\n 64<\/span><\/td>\n 140<\/span><\/td>\n 4<\/span><\/td>\n M16<\/span><\/td>\n<\/tr>\n 3″<\/span><\/td>\n 190<\/span><\/td>\n 20.4<\/span><\/td>\n 1.6<\/span><\/td>\n 76<\/span><\/td>\n 152<\/span><\/td>\n 4<\/span><\/td>\n M16<\/span><\/td>\n<\/tr>\n 4″<\/span><\/td>\n 229<\/span><\/td>\n 22.2<\/span><\/td>\n 1.6<\/span><\/td>\n 102<\/span><\/td>\n 191<\/span><\/td>\n 8<\/span><\/td>\n M16<\/span><\/td>\n<\/tr>\n 6″<\/span><\/td>\n 279<\/span><\/td>\n 25.4<\/span><\/td>\n 1.6<\/span><\/td>\n 152<\/span><\/td>\n 241<\/span><\/td>\n 8<\/span><\/td>\n M20<\/span><\/td>\n<\/tr>\n 8″<\/span><\/td>\n 343<\/span><\/td>\n 28.6<\/span><\/td>\n 1.6<\/span><\/td>\n 203<\/span><\/td>\n 298<\/span><\/td>\n 8<\/span><\/td>\n M24<\/span><\/td>\n<\/tr>\n 10″<\/span><\/td>\n 406<\/span><\/td>\n 30.0<\/span><\/td>\n 1.6<\/span><\/td>\n 254<\/span><\/td>\n 362<\/span><\/td>\n 12<\/span><\/td>\n M24<\/span><\/td>\n<\/tr>\n 12″<\/span><\/td>\n 483<\/span><\/td>\n 32.2<\/span><\/td>\n 1.6<\/span><\/td>\n 305<\/span><\/td>\n 432<\/span><\/td>\n 12<\/span><\/td>\n M27<\/span><\/td>\n<\/tr>\n 14″<\/span><\/td>\n 533<\/span><\/td>\n 35.4<\/span><\/td>\n 1.6<\/span><\/td>\n 356<\/span><\/td>\n 489<\/span><\/td>\n 12<\/span><\/td>\n M30<\/span><\/td>\n<\/tr>\n 16″<\/span><\/td>\n 597<\/span><\/td>\n 38.0<\/span><\/td>\n 1.6<\/span><\/td>\n 406<\/span><\/td>\n 552<\/span><\/td>\n 16<\/span><\/td>\n M30<\/span><\/td>\n<\/tr>\n 18″<\/span><\/td>\n 635<\/span><\/td>\n 41.2<\/span><\/td>\n 1.6<\/span><\/td>\n 457<\/span><\/td>\n 610<\/span><\/td>\n 16<\/span><\/td>\n M33<\/span><\/td>\n<\/tr>\n 20″<\/span><\/td>\n 699<\/span><\/td>\n 44.0<\/span><\/td>\n 1.6<\/span><\/td>\n 508<\/span><\/td>\n 673<\/span><\/td>\n 20<\/span><\/td>\n M33<\/span><\/td>\n<\/tr>\n 24″<\/span><\/td>\n 813<\/span><\/td>\n 48.2<\/span><\/td>\n 1.6<\/span><\/td>\n 610<\/span><\/td>\n 787<\/span><\/td>\n 20<\/span><\/td>\n M36<\/span><\/td>\n<\/tr>\n 30″<\/span><\/td>\n 991<\/span><\/td>\n 52.6<\/span><\/td>\n 1.6<\/span><\/td>\n 762<\/span><\/td>\n 978<\/span><\/td>\n 28<\/span><\/td>\n M39<\/span><\/td>\n<\/tr>\n 36″<\/span><\/td>\n 1219<\/span><\/td>\n 57.2<\/span><\/td>\n 1.6<\/span><\/td>\n 914<\/span><\/td>\n 1206<\/span><\/td>\n 32<\/span><\/td>\n M42<\/span><\/td>\n<\/tr>\n 42″<\/span><\/td>\n 1346<\/span><\/td>\n 60.4<\/span><\/td>\n 1.6<\/span><\/td>\n 1067<\/span><\/td>\n 1333<\/span><\/td>\n 36<\/span><\/td>\n M45<\/span><\/td>\n<\/tr>\n 48″<\/span><\/td>\n 1473<\/span><\/td>\n 64.2<\/span><\/td>\n 1.6<\/span><\/td>\n 1219<\/span><\/td>\n 1460<\/span><\/td>\n 44<\/span><\/td>\n M48<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n Global Reach of Sachiya Steel International<\/strong><\/span><\/h3>\n At Sachiya Steel International Private Limited<\/strong>, we are committed to meeting the needs of our clients worldwide. Our Stainless Steel 321 Weld Neck Flanges are in demand across various countries, thanks to their reliability and our reputation for excellent customer service. We supply our products to a wide range of countries, ensuring timely delivery and competitive pricing to our global clientele.<\/span><\/p>\n Countries We Supply Stainless Steel 321 Weld Neck Flanges<\/strong><\/span><\/h3>\n\n\n\n\n\n\n\n\n\n\n\n Continent<\/span><\/th>\n Countries<\/span><\/th>\n<\/tr>\n<\/thead>\n North America<\/span><\/td>\n USA, Canada, Mexico<\/span><\/td>\n<\/tr>\n South America<\/span><\/td>\n Brazil, Argentina, Chile<\/span><\/td>\n<\/tr>\n Europe<\/span><\/td>\n Germany, UK, France, Italy, Spain, Netherlands<\/span><\/td>\n<\/tr>\n Asia<\/span><\/td>\n India, China, Japan, South Korea, UAE, Saudi Arabia<\/span><\/td>\n<\/tr>\n Africa<\/span><\/td>\n South Africa, Nigeria, Egypt<\/span><\/td>\n<\/tr>\n Australia<\/span><\/td>\n Australia, New Zealand<\/span><\/td>\n<\/tr>\n Middle East<\/span><\/td>\n Qatar, Oman, Kuwait, Bahrain<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n Why Choose Sachiya Steel International for Your Flange Needs?<\/strong><\/span><\/h3>\n At Sachiya Steel International<\/strong><\/a>, we focus on quality, precision, and customer satisfaction. Our Stainless Steel 321 Weld Neck Flanges<\/strong> undergo stringent quality checks and are manufactured using the latest technology to ensure they meet international standards. Whether you require standard sizes or custom-made solutions, our team is ready to assist you with tailored services that cater to your specific needs.<\/span><\/p>\n Contact us today for more information or to place an order, and experience the unmatched quality and service of Sachiya Steel International!<\/span><\/p>\n","protected":false},"excerpt":{"rendered":" Stainless Steel 321 Weld Neck Flange Manufacturers in India – Sachiya Steel International Private Limited Sachiya Steel International Private Limited is India’s leading manufacturer, supplier, and exporter of high-quality Stainless Steel 321 Weld Neck Flanges. As a renowned company in the industry, we pride ourselves on delivering top-notch flanges that meet international standards. Stainless Steel 321 Weld Neck Flanges are known for their superior strength, resistance to corrosion, and excellent durability, making them an ideal choice for various industrial applications. 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