Palgotta Metal Pvt Ltd specializes in providing high-quality SS 321/321H Buttweld Fittings designed to meet the demands of various industries. These fittings offer excellent corrosion and oxidation resistance, making them ideal for demanding applications. They also have superior strength, toughness, and weldability, making them a popular choice for components that require welding.
Our SS 321/321H Buttweld Fittings are available in multiple sizes and shapes, making them suitable for different applications. We also offer customized solutions to meet your exact requirements. With our premium quality fittings, you can ensure your system's long-term reliability and maximum performance.
Contact us today to learn more about our SS 321/321H Buttweld Fittings and how they can benefit your application.
Table of Content
What are Stainless Steel 321/321H buttweld pipe fittings?
Stainless Steel 321/321H buttweld pipe fittings are fabricated from austenitic stainless steel, making them highly corrosion-resistant. They have excellent formability and weldability properties and can be used in various industries.
What are the features of Stainless Steel 321/321H buttweld pipe fittings?
Features of Stainless Steel 321/321H buttweld pipe fittings include good creep resistance, higher tensile strength, superior toughness at cryogenic temperatures, and excellent oxidation resistance up to 1500°F (816°C). In addition, they offer excellent weldability characteristics, which are especially useful for applications where welding is required.
What are the advantages of Stainless Steel 321/321H buttweld pipe fittings?
The advantages of Stainless Steel 321/321H buttweld pipe fittings include their ability to resist scaling even after prolonged exposure to high temperatures. This makes them ideal for applications in high-temperature chemical environments and components used in the food industry. They are also suitable for marine and chemical industries because of their superior corrosion resistance properties.
What are the applications of Stainless Steel 321/321H buttweld pipe fittings?
Stainless Steel 321/321H buttweld pipe fittings have many applications, including petrochemical plants, oil refineries, power plant equipment, pharmaceuticals, medical equipment valves and fittings, pressure vessels, machine tools, container manufacturing, and other industrial machinery components. In addition, they can be used in constructing pipes and fittings for plumbing systems or water treatment facilities. Due to their superior strength and durability, these fittings are also helpful for structural fabrication projects such as bridges or towers.
STANDARD | WERKSTOFF NR. | UNS | JIS | EN |
SS 321 | 1.4541 | S32100 | SUS 321 | X6CrNiTi18-10 |
SS 321H | 1.4878 | S32109 | SUS 321H | X12CrNiTi18-9 |
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 |
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 % |
ASME b16.9 Fittings Normal Pipe Size |
ANSI b16 9 Pipe Fitting O D Y |
Wall Thickness
T (Pipe Elbow Sch.) |
LR 45 Deg Elbows Centre to Face B | SR 45 Deg Elbows Weight |
LR 90 Deg Elbows Centre to Face A | LR 90 Deg Elbows Weight In Below | SR 90 Deg Elbows Centre to Face A | SR 90 Deg Elbows Weight In Below | ||
millimeter | inch. | millimeter | millimeter | Schedule | millimeter | kilogram | millimeter | kilogram | millimeter | kilogram |
15 | 1/2” | 21.3 | 2.78 | STD | 15.9 | 0.04 | 38.1 | 0.08 | – | – |
3.73 | X.S | 15.9 | 0.05 | 38.1 | 0.10 | – | – | |||
20 | 3/4” | 26.7 | 2.87 | STD | 11.1 | 0.04 | 28.6 | 0.08 | – | – |
3.91 | X.S | 11.1 | 0.05 | 28.6 | 0.11 | – | – | |||
25 | 1” | 33.4 | 3.38 | STD | 22.2 | 0.09 | 38.1 | 0.15 | 25.4 | 0.11 |
4.55 | X.S | 22.2 | 0.11 | 38.1 | 0.19 | 25.4 | 0.14 | |||
32 | 11/4” | 42.2 | 3.56 | STD | 25.4 | 0.14 | 47.6 | 0.28 | 31.75 | 0.18 |
4.85 | X.S | 25.4 | 0.2 | 47.6 | 0.39 | 31.75 | 0.24 | |||
40 | 11/2” | 48.3 | 3.68 | STD | 28.6 | 0.2 | 57.1 | 0.4 | 38.1 | 0.26 |
5.08 | X.S | 28.6 | 0.25 | 57.1 | 0.5 | 38.1 | 0.35 | |||
50 | 2” | 60.3 | 3.91 | STD | 34.9 | 0.36 | 76.2 | 0.72 | 50.8 | 0.5 |
5.54 | X.S | 34.9 | 0.5 | 76.2 | 1.0 | 50.8 | 0.68 | |||
65 | 21/2” | 73.0 | 5.16 | STD | 44.4 | 0.73 | 95.2 | 1.46 | 63.5 | 0.95 |
7.01 | X.S | 44.4 | 0.91 | 95.2 | 1.82 | 63.5 | 1.27 | |||
80 | 3” | 88.9 | 5.49 | STD | 50.8 | 1.1 | 114.3 | 2.18 | 76.2 | 1.45 |
7.62 | X.S | 50.8 | 1.45 | 114.3 | 2.86 | 76.2 | 1.95 | |||
100 | 4” | 114.3 | 6.02 | STD | 63.5 | 2.1 | 152.4 | 4.2 | 101.6 | 2.8 |
8.56 | X.S | 63.5 | 2.9 | 152.4 | 5.7 | 101.6 | 3.9 | |||
125 | 5” | 141.3 | 6.65 | STD | 79.4 | 3.4 | 190.0 | 6.8 | 127.0 | 4.8 |
9.5 | X.S | 79.4 | 5.0 | 190.0 | 10.0 | 127.0 | 6.5 | |||
150 | 6” | 168.3 | 7.11 | STD | 95.2 | 5.1 | 229.0 | 10.1 | 152.4 | 6.8 |
10.97 | X.S | 95.2 | 7.7 | 229.0 | 15.3 | 152.4 | 10.2 | |||
200 | 8” | 219.1 | 8.18 | STD | 127.0 | 10.2 | 305.0 | 20.4 | 203.0 | 13.6 |
12.7 | X.S | 127.0 | 15.5 | 305.0 | 30.9 | 203.0 | 20.9 | |||
250 | 10” | 273.9 | 9.27 | STD | 159.0 | 18.1 | 381.0 | 36.1 | 254.0 | 24.1 |
12.7 | X.S | 159.0 | 24.4 | 381.0 | 48.8 | 254.0 | 32.5 | |||
300 | 12” | 323.9 | 9.52 | STD | 190.0 | 26.6 | 457.0 | 53.1 | 305.0 | 35.4 |
12.7 | X.S | 190.0 | 35.0 | 457.0 | 70.0 | 305.0 | 46.7 | |||
350 | 14” | 355.6 | 9.52 | STD | 222.0 | 34.1 | 533.0 | 68.1 | 356.0 | 45.4 |
12.7 | X.S | 222.0 | 45.0 | 533.0 | 90.0 | 356.0 | 60.0 | |||
400 | 16” | 406.4 | 9.52 | STD | 254.0 | 45.0 | 610.0 | 89.3 | 406.0 | 59.5 |
12.7 | X.S | 254.0 | 59.0 | 610.0 | 118.0 | 406.0 | 78.7 | |||
450 | 18” | 457.0 | 9.52 | STD | 286.0 | 56.5 | 686.0 | 113.0 | 457.0 | 75.6 |
12.7 | X.S | 286.0 | 75.0 | 686.0 | 150.0 | 457.0 | 100.0 | |||
500 | 20” | 508.0 | 9.52 | STD | 318.0 | 85.0 | 762.0 | 140.0 | 508.0 | 93.5 |
12.7 | X.S | 318.0 | 112.5 | 762.0 | 186.0 | 508.0 | 124.0 | |||
600 | 24” | 610.00 | 9.52 | STD | 381.0 | 101.5 | 914.0 | 203.0 | 610.0 | 135.0 |
12.7 | X.S | 381.0 | 134.5 | 914.0 | 269.0 | 610.0 | 179.0 |
BW Fittings ANSI B16.9 Tolerance (45 And 90 degree) Elbow, End Cap, Tee, Reducer) | 90 Deg. & 45 Deg. Elbow and Tee |
Reducer & Long Lap Joint Stub End |
Cap | |||
Fitting Dimension (NPS) | Outside Daimeter Diameter at Bevel |
Inside Diameter at End |
Wall Thick T | Center-to-End Dimension A ,C ,B |
Over-all Length H |
Over-all Length F |
1/2 to 2-1/2 | +0.06 | Not less than 87.5% of nominal Thickness |
+/- 0.06 | +/- 0.06 | +/- 0.12 | |
-0.03 | ||||||
3 to 3-1/2 | +/- 0.06 | +/- 0.06 | +/- 0.06 | +/- 0.06 | +/- 0.12 | |
4 | +/- 0.06 | +/- 0.06 | +/- 0.06 | +/- 0.06 | +/- 0.12 | |
5 to 8 | +/- 0.06 | +/- 0.06 | +/- 0.06 | +/- 0.06 | +/- 0.25 | |
10 to 18 | +0.16 | +/- 0.12 | +/- 0.09 | +/- 0.09 | +/- 0.25 | |
-0.12 | ||||||
20 to 24 | +0.25 | +/- 0.19 | +/- 0.09 | +/- 0.09 | +/- 0.25 | |
-0.19 | ||||||
26 to 30 | +0.25 | +/- 0.19 | +/- 0.12 | +/- 0.19 | +/- 0.38 | |
-0.19 | ||||||
32 to 48 | +0.25 | +/- 0.19 | +/- 0.19 | +/- 0.19 | +/- 0.38 | |
-0.19 |
NPS (Normal Pipe Size) | O.D. (Outside Diameter) | Ave. I.D. (Inside Diameter) |
Mani. WALL |
Normal Weight |
Maxi. W.P. psi |
1/4" | .540 | .282 | .119 | .105 | 1130 |
3/8" | .675 | .403 | .126 | .146 | 920 |
1/2" | .840 | .526 | .147 | .213 | 850 |
3/4" | 1.050 | .722 | .154 | .289 | 690 |
1" | 1.315 | .936 | .179 | .424 | 630 |
1-1/4" | 1.660 | 1.255 | .191 | .586 | 520 |
1-1/2" | 1.900 | 1.476 | .200 | .711 | 470 |
2" | 2.375 | 1.913 | .218 | .984 | 400 |
2-1/2" | 2.875 | 2.290 | .276 | 1.500 | 420 |
3" | 3.500 | 2.864 | .300 | 2.010 | 370 |
3-1/2" | 4.000 | 3.326 | .318 | 2.452 | 350 |
4" | 4.500 | 3.786 | .337 | 2.938 | 320 |
5" | 5.563 | 4.768 | .375 | 4.078 | 290 |
6" | 6.625 | 5.709 | .432 | 5.610 | 280 |
8" | 8.625 | 7.565 | .500 | 8.522 | 250 |
10" | 10.750 | 9.493 | .593 | 12.635 | 230 |
12" | 12.750 | 11.294 | .687 | 17.384 | 230 |
14" | 14.000 | 12.410 | .750 | 20.852 | 220 |
16" | 16.000 | 14.213 | .843 | 26.810 | 220 |
18" | 18.000 | 16.014 | .937 | 33.544 | 220 |
20" | 20.000 | 17.814 | 1.031 | 41.047 | 220 |
24" | 24.000 | 21.418 | 1.218 | 58.233 | 210 |
ASME B16.9 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 Tees, 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 |
Pressure-Temperature ratings for ASME B16.9 Buttweld fittings (psig) | |||||
---|---|---|---|---|---|
Temperature Ratings | Pressure Class | ||||
150 | 300 | ||||
1/4 - 1 inch. | 1 1/4 - 2 inch. | 2 1/2 - 3 inch. | |||
(oF) | (oC) | ||||
-20 to 150 | -29 to 66 | 300 | 2000 | 1500 | 1000 |
200 | 93 | 265 | 1785 | 1350 | 910 |
250 | 121 | 225 | 1575 | 1200 | 825 |
300 | 149 | 185 | 1360 | 1050 | 735 |
350 | 177 | 150 | 1150 | 900 | 650 |
400 | 204 | - | 935 | 750 | 560 |
450 | 232 | - | 725 | 600 | 475 |
500 | 260 | - | 510 | 450 | 385 |
550 | 288 | - | 300 | 300 | 300 |
O.D. or I.D. Diameter | Equivalent Decimal | Nominal Diameter | Typical Threads In Inch |
5/16 | 0.313 | 1/16 | 27 |
13/32 | 0.405 | 1/8 | 27 |
35/64 |
0.540 |
1/4 | 18 |
43/64 | 0.675 | 3/8 | 18 |
27/32 | 0.840 | 1/2 | 14 |
1-3/64 | 1.050 | 3/4 | 14 |
1-5/16 | 1.315 | 1 | 11-1/2 |
1-21/32 |
1.660 | 1-1/4 | 11-1/2 |
1-29/32 | 1.900 | 1-1/2 | 11-1/2 |
2-3/8 | 2.375 | 2 | 11-1/2 |
2-7/8 | 2.875 | 2-1/2 | 8 |
3-1/2 | 3.500 | 3 | 8 |
4 | 4.000 | 3-1/2 | 8 |
4-1/2 | 4.500 | 4 | 8 |
SS 321H Pipe Fittings Exporters | Stainless Steel 321 Fittings Manufacturers | Stainless Steel 321 Butt weld Fittings | Supplier of Stainless Steel 321H Pipe Fittings | Stainless Steel 321H Seamless Pipe Fittings Stockists | Stainless Steel 321 Buttweld Pipe Fittings Suppliers | SS 321 Buttweld Fittings Latest Price.
Tunisia, Netherlands, France, Gambia, Macau, Algeria, Belarus, Greece, Taiwan, Belgium, Poland, Switzerland, South Korea, Argentina, Oman, Israel, Russia, Hong Kong, Norway, Kenya, Malaysia, Iraq, Angola, Ecuador, United Arab Emirates, Peru, Venezuela, Hungary, Mexico, Nigeria, Mongolia, Kazakhstan, Costa Rica, Germany, Sri Lanka, Croatia, Kuwait, Vietnam, Finland, New Zealand, India, Czech Republic, Bahrain, Bulgaria, Libya, Saudi Arabia, Estonia, United States, Serbia, Indonesia, Algiera, Nepal, Japan, Denmark, Lithuania, Italy, Brazil, Egypt, Pakistan, Puerto Rico, Bangladesh, Thailand, Ghana, Tibet, Slovakia, Yemen, Australia, Lahore, Sweden, columbia, Spain, Turkey, Colombia, Gabon, Canada, Azerbaijan, Qatar, Ukraine, China, Bolivia, Austria, Portugal, Philippines, Jordan, Chile, Bhutan, South Africa, Lebanon, United Kingdom, Zimbabwe, Ireland, Trinidad & Tobago, Afghanistan, Morocco, Iran, Namibia, Singapore, Romania.
Haryana, Ludhiana, Indore, Ranchi, mumbai, Rajkot, Ernakulam, Howrah, Bengaluru, Secunderabad, Surat, Nashik, Navi Mumbai, Faridabad, Thiruvananthapuram, Gurgaon, Thane, Hyderabad, Nagpur, Pune, New Delhi, Jaipur, Chennai, Bhopal, Pimpri-Chinchwad, Chandigarh, Kolkata, Visakhapatnam, Kanpur, Noida, Jamshedpur, Ahmedabad.