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. Our commitment to quality, innovation, and customer satisfaction has established us as the preferred choice for clients across the globe.

Why Choose Stainless Steel 321 Weld Neck Flanges?

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°F (816°C).

Specifications of Stainless Steel 321 Weld Neck Flange

Specification Details
Standard ASTM A182, ASME SA182
Size Range 1/2″ NB to 48″ NB
Pressure Class 150#, 300#, 600#, 900#, 1500#, 2500#
Type Weld Neck Flange
Material Stainless Steel 321
Dimensions ANSI/ASME B16.5, B16.47, DIN, EN, JIS, GOST
Face Type Raised Face (RF), Flat Face (FF), Ring Type Joint (RTJ)
Flange Face Finish Serrated, Smooth, Spiral Serrated
Applications Oil & Gas, Petrochemical, Power Generation, Water Treatment, etc.

Key Applications of Stainless Steel 321 Weld Neck Flanges

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. 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.

Chemical Composition of Stainless Steel 321

Element Composition (%)
Carbon (C) 0.08 max
Manganese (Mn) 2.00 max
Silicon (Si) 0.75 max
Chromium (Cr) 17.00 – 19.00
Nickel (Ni) 9.00 – 12.00
Phosphorus (P) 0.045 max
Sulfur (S) 0.03 max
Titanium (Ti) 5 x (C+N) to 0.70 max

Mechanical Properties of Stainless Steel 321

Property Value
Tensile Strength 515 MPa min
Yield Strength (0.2% Offset) 205 MPa min
Elongation 40% min
Hardness, Brinell (HB) 217 max

Benefits of Using Stainless Steel 321 Weld Neck Flanges

Stainless Steel 321 Weld Neck Flange Manufacturers in India

Stainless Steel 321 Weld Neck Flanges 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.

Price List for Stainless Steel 321 Weld Neck Flanges

At Sachiya Steel International, we offer competitive pricing for our Stainless Steel 321 Weld Neck Flanges. Our flanges are available in various sizes to meet the diverse needs of our customers. Below is a detailed price list for different sizes:

Size (inches) Price (INR) Price (USD)
1/2″ 450 6.00
3/4″ 550 7.50
1″ 700 9.50
1 1/2″ 900 12.00
2″ 1,150 15.50
2 1/2″ 1,400 18.50
3″ 1,800 23.50
4″ 2,400 31.50
6″ 3,500 45.50
8″ 5,000 65.00
10″ 6,800 88.50
12″ 8,900 116.00
14″ 10,500 137.50
16″ 13,000 170.00
18″ 15,500 203.00
20″ 18,000 235.00
24″ 22,000 286.00
30″ 30,000 390.00
36″ 38,000 495.00
42″ 47,000 610.00
48″ 58,000 755.00

Importance of Dimension and Design in Stainless Steel 321 Weld Neck Flanges

The dimensions and design of Stainless Steel 321 Weld Neck Flanges 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.

Dimensions Chart for Stainless Steel 321 Weld Neck Flanges

Nominal Pipe Size (NPS) Outer Diameter (OD) Thickness (t) Raised Face Height (h) Bore Diameter (B) Bolt Circle Diameter (BC) No. of Bolts Bolt Size
1/2″ 89 11.2 1.6 15 60 4 M12
3/4″ 98 13.4 1.6 20 70 4 M12
1″ 108 14.6 1.6 25 79 4 M12
1 1/2″ 127 16.8 1.6 38 98 4 M16
2″ 152 18.0 1.6 51 120 4 M16
2 1/2″ 178 19.2 1.6 64 140 4 M16
3″ 190 20.4 1.6 76 152 4 M16
4″ 229 22.2 1.6 102 191 8 M16
6″ 279 25.4 1.6 152 241 8 M20
8″ 343 28.6 1.6 203 298 8 M24
10″ 406 30.0 1.6 254 362 12 M24
12″ 483 32.2 1.6 305 432 12 M27
14″ 533 35.4 1.6 356 489 12 M30
16″ 597 38.0 1.6 406 552 16 M30
18″ 635 41.2 1.6 457 610 16 M33
20″ 699 44.0 1.6 508 673 20 M33
24″ 813 48.2 1.6 610 787 20 M36
30″ 991 52.6 1.6 762 978 28 M39
36″ 1219 57.2 1.6 914 1206 32 M42
42″ 1346 60.4 1.6 1067 1333 36 M45
48″ 1473 64.2 1.6 1219 1460 44 M48

Global Reach of Sachiya Steel International

At Sachiya Steel International Private Limited, 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.

Countries We Supply Stainless Steel 321 Weld Neck Flanges

Continent Countries
North America USA, Canada, Mexico
South America Brazil, Argentina, Chile
Europe Germany, UK, France, Italy, Spain, Netherlands
Asia India, China, Japan, South Korea, UAE, Saudi Arabia
Africa South Africa, Nigeria, Egypt
Australia Australia, New Zealand
Middle East Qatar, Oman, Kuwait, Bahrain

Why Choose Sachiya Steel International for Your Flange Needs?

At Sachiya Steel International, we focus on quality, precision, and customer satisfaction. Our Stainless Steel 321 Weld Neck Flanges 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.

Contact us today for more information or to place an order, and experience the unmatched quality and service of Sachiya Steel International!

Stainless Steel 321 Weld Neck Flanges
Stainless Steel 321 Weld Neck Flange Manufacturers in India

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. Our commitment to quality, innovation, and customer satisfaction has established us as the preferred choice for clients across the globe.

Product Brand: Sachiya Steel International Private Limited

Product Currency: INR

Product Price: 120

Price Valid Until: 2025-07-31

Product In-Stock: InStock

Editor's Rating:
5