Pipes & Tubes
Manufacturer, Supplier & Stockist
Stainless Steel 321/321H Buttweld Fittings Manufacturer & Exporter
Elevate your industrial systems with the exceptional quality of Stainless Steel 321/321H Buttweld Fittings, proudly offered by Alpha Overseas. Our fittings are meticulously crafted to meet the stringent demands of various industries, promising durability and reliability in the face of challenging conditions. Renowned for their exceptional corrosion resistance, these fittings are tailored for applications in harsh, high-temperature environments, ensuring longevity and optimal performance. The weldability and compliance with industry standards make them a go-to choice for sectors like petrochemicals, aerospace, and more. Alpha Overseas is your trusted partner for high-quality stainless steel solutions. Contact us at sales@aosalloys.com today, and let our experts guide you to the perfect SS 321/321H Buttweld Fittings, tailored to your unique specifications.
At Alpha Overseas, we take pride in our commitment to excellence, offering a comprehensive range of Stainless Steel 321/321H Buttweld Fittings designed to meet your specific industrial needs. Our precision-engineered fittings are known for their durability, resistance to corrosion, and adherence to international quality standards. Whether you are in the petrochemical industry, aerospace, or power generation, our fittings are versatile and reliable, ensuring optimal performance in diverse applications. When you choose Alpha Overseas, you’re choosing top-notch quality and expertise. Don’t miss the opportunity to enhance your industrial systems with our Stainless Steel 321/321H Buttweld Fittings. Contact us at sales@aosalloys.com, and experience the Alpha Overseas difference today.
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SS 321/321H Buttweld Fittings Specifications
Specifications | : | ASTM A403 / ASME SA403 |
Standards | : | ASME/ANSI B16.9, ASME B16.28, MSS-SP-43 |
Size |
: | 1/8” NB TO 48” NB. (Seamless & 100% X-Ray Welded, Fabricated) |
Thickness | : | Schedule 5s, 10s, 40s, 80s, 10, 20, 40, STD, 60, 80, XS, 100, 120, 140, 160, XXS available with NACE MR 01-75 |
Type | : | Seamless / Welded / Fabricated |
Bending Radius | : | R=1D, 2D, 3D, 5D, 6D, 8D, 10D or Custom ASTM A403 Grade WP Pipe Fitting |
SS 321/321H Buttweld Fittings Chemical Composition
Grade | C | Mn | Si | P | S | Cr | N | Ni | Ti |
SS 321 | 0.08 max | 2.0 max | 1.0 max | 0.045 max | 0.030 max | 17.00 – 19.00 | 0.10 max | 9.00 – 12.00 | 5(C+N) – 0.70 max |
SS 321H | 0.04 – 0.10 | 2.0 max | 1.0 max | 0.045 max | 0.030 max | 17.00 – 19.00 | 0.10 max | 9.00 – 12.00 | 4(C+N) – 0.70 max |
Equivalent Grades of SS 321/321H Buttweld Fittings
STANDARD | WERKSTOFF NR. | UNS | JIS | EN |
SS 321 | 1.4541 | S32100 | SUS 321 | X6CrNiTi18-10 |
SS 321H | 1.4878 | S32109 | SUS 321H | X12CrNiTi18-9 |
SS 321/321H Buttweld Fittings Mechanical Properties
Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
8.0 g/cm3 | 1457 °C (2650 °F) | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 35 % |
Manufacturing Standards of SS 321/321H Buttweld Fittings
ASME B16.9 ASTM A403 WP321 Fittings | Factory-Made Wrought Buttwelding Fittings | Long Radius Elbows, Long Radius Reducing Elbows, Long Radius Returns, Short Radius Elbows, Short Radius 180-deg Rerurns, 3D elbows, Straight Tees, Straight Crosses, Reducing Outlet Tees, Reducing Outlet Crosses, Lap Joint Stub Ends, Caps, Reducers |
ASME B16.28 | Short Radius Elbows, Short Radius 180-deg Returns | |
MSS SP43 | Wrought and Fabricated Butt-Welding Fittings for Low Pressure, Corrosion Resistant Applications | Long Radius Elbows, Straight and Reducing-on-the-Outlet Tees, Lap Joint Stub ends, caps, long radius 180 Degree returns, concentric reducers, eccentric reducers |
MSS SP75 | Long Radius Elbows, 3R elbows, straight tees, reducing outlet tees, caps, reducers |
Types of Stainless Steel 321/321H Buttweld Fittings
- Stainless Steel 321 45 Degree Elbow
- SS 321H 90 Degree Elbow
- Stainless Steel 321H 180 Degree Elbow
- Stainless Steel 321 Equal Tee
- SS 321 Unequal Tee
- Stainless Steel 321 Lateral Tee
- Stainless Steel 321H Equal Cross
- SS 321 Unequal Cross
- Stainless Steel 321 Concentric Reducer
- Stainless Steel 321H Eccentric Reducer
- Stainless Steel 321 Stub End
- Stainless Steel 321 Long Stubend
- Stainless Steel 321 Short Stub end
- SS 321 Pipe Cap
- Stainless Steel 321 Nipple
- Stainless Steel 321 Bend
- Stainless Steel 321 Reducing Elbow
- SS 321H U Bend
- Stainless Steel 321 Split Tee
- Stainless Steel 321H Long Radius Elbow
- SS 321 Short Radius Elbow
- Stainless Steel 321H Reducers
SS 321/321H Buttweld Fittings Applications & Industries
- Oil & Gas Industry
- Power Plants
- Marine Industry
- Petrochemical Industry
- Refineries
- Cement Industry
- Fertilizer Industry
- Automotive Industry
- Chemical Industry
- Heat Exchangers
- Automotive Industry
- Pharmaceutical Industry
- Sugar Industry
- Condensers
Characteristics of SS 321/321H Buttweld Fittings
Stainless Steel 321/321H buttweld fittings are renowned for their exceptional characteristics, making them an ideal choice for a wide range of industrial applications:
- Corrosion Resistance: These fittings exhibit excellent resistance to corrosion, particularly in high-temperature and corrosive environments.
- High-Temperature Performance: Stainless Steel 321/321H maintains its mechanical properties at elevated temperatures, making it suitable for applications involving heat and pressure.
- Durability: These fittings are known for their durability, ensuring a long service life even in challenging conditions.
- Weldability: They are easily weldable, allowing for efficient installation and modification of piping systems.
- Creep and Stress Rupture Resistance: Stainless Steel 321/321H fittings are capable of withstanding creep and stress rupture, making them ideal for applications that involve prolonged exposure to high temperatures.
- Versatility: They are versatile and can be used in various industries, including petrochemical, aerospace, and power generation.
- Compliance: These fittings adhere to industry standards and specifications, ensuring consistent quality and performance.
- Reduced Sensitization: The titanium content in 321H reduces sensitization during welding, minimizing the risk of intergranular corrosion.
- Low Maintenance: Stainless Steel 321/321H buttweld fittings require minimal maintenance, reducing operational costs over time.
- Leak-Free Connections: Precise manufacturing ensures tight, leak-resistant connections, enhancing the overall integrity of piping systems.