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Stainless Steel 321/321H Buttweld Fittings Manufacturer and Exporter
SS 321H Pipe Fittings Supplier, Stainless Steel 321 Buttweld Fittings Manufacturer, ASTM A403 SS 321 Weldable Butt Weld Fittings Exporter, Stainless Steel 321H Seamless Pipe Fittings, SS 321H Equal Tee Dealer, 321 Stainless Steel Pipe Elbow Supplier, SS 321H Buttweld Pipe Cap Supplier in Mumbai, India, Best Prices for UNS S32100 Buttweld Reducer, SS 321H Buttweld Cross Wholesaler.
Shriram Metal is a leading manufacturer and supplier of Stainless Steel 321/321H Buttweld Fittings, specializing in high-temperature and corrosive conditions. SS 321, a titanium-stabilized austenitic stainless steel, is very resistant to intergranular corrosion, making it ideal for use in heat exchangers, refineries, and chemical processing industries. SS 321H’s greater carbon content improves high-temperature strength and creep resistance, making it suited for heavy-duty applications. Our buttweld fittings, which include elbows, tees, reducers, and caps, are meticulously manufactured to exceed ASTM A403 and other international standards, assuring long-term durability and a secure fit for a variety of pipe systems.
Shriram Metal focuses on quality, performance, and customer satisfaction by offering SS 321/321H buttweld fittings that satisfy rigorous industry standards. With ready stock accessible in a variety of sizes and schedules, we meet a wide range of industrial needs while providing dependable and corrosion-resistant solutions. Whether you want seamless or welded buttweld fittings, we guarantee timely delivery and low price. For queries and orders, please contact us at sales@shrirammetal.com. Experience top-tier stainless steel solutions from a trusted industry leader.
Stainless Steel 321 Buttweld Fittings Ready Stock, Buy SS 321H Stub End, Stainless Steel 321 Pipe Bend Supplier, SS 321H Lateral Tee Exporter, Stainless Steel 321 Buttweld Pipe Nipple Stockist, Competitive Prices for SS 321H LR Elbow, Grade WP321 Collar Pipe Fittings, Stainless Steel 321H Eccentric Reducer Manufacturer, SS 321 Buttweld Welded Bend Dealer, SS 321H 90 Degree Elbow Supplier.
321/321H Stainless Steel Buttweld Fittings Specifications
| Standard | ASTM A403 / ASME SA403 |
| Grade | Stainless Steel 321/321H |
| Dimensions | ANSI/ASME B16.9, B16.28, MSS-SP-43. |
| Thickness | Schedule 5s, 10s, 40s, 80s, 10, 20, 40, STD, 60, 80, XS, 100, 120, 140, 160, XXS |
| Size | 1/8” NB TO 48” NB | Custom |
| Type | Seamless / Welded / Fabricated |
| Bending Radius | R=1D, 2D, 3D, 5D, 6D, 8D, 10D | Custom |
SS 321/321H Buttweld Fittings Equivalent Grades
| STANDARD | WERKSTOFF NR. | UNS | JIS | EN |
| SS 321 | 1.4541 | S32100 | SUS 321 | X6CrNiTi18-10 |
| SS 321H | 1.4878 | S32109 | SUS 321H | X12CrNiTi18-9 |
Stainless Steel 321/321H Pipe 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 |
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 % |
Stainless Steel 321/321H Buttweld Fittings Types & Availability
Stainless Steel 321/321H Elbow
- Stainless Steel 321 90 Degree Elbow
- Stainless Steel 321H 90 Degree Elbow
- Stainless Steel 321 45 Degree Elbow
- Stainless Steel 321H 45 Degree Elbow
- Stainless Steel 321 180 Degree Elbow
- Stainless Steel 321H 180 Degree Elbow
Stainless Steel 321/321H Tee
- Stainless Steel 321 Equal Tee
- Stainless Steel 321H Equal Tee
- Stainless Steel 321 Unequal Tee
- Stainless Steel 321H Unequal Tee
- Stainless Steel 321 Reducing Tee
- Stainless Steel 321H Reducing Tee
Stainless Steel 321/321H Cross
- Stainless Steel 321 Equal Cross
- Stainless Steel 321H Equal Cross
- Stainless Steel 321 Unequal Cross
- Stainless Steel 321H Unequal Cross
- Stainless Steel 321 Reducing Cross
- Stainless Steel 321H Reducing Cross
Stainless Steel 321/321H Reducer
- Stainless Steel 321 Concentric Reducer
- Stainless Steel 321H Concentric Reducer
- Stainless Steel 321 Eccentric Reducer
- Stainless Steel 321H Eccentric Reducer
Stainless Steel 321/321H Pipe Cap
- Stainless Steel 321 Pipe Cap
- Stainless Steel 321H Pipe Cap
- Stainless Steel 321 End Cap
- Stainless Steel 321H End Cap
Stainless Steel 321/321H Stub End
- Stainless Steel 321 Short Stub End
- Stainless Steel 321H Short Stub End
- Stainless Steel 321 Long Stub End
- Stainless Steel 321H Long Stub End
Stainless Steel 321/321H Pipe Bend
- Stainless Steel 321 U Pipe Bend
- Stainless Steel 321H U Pipe Bend
- Stainless Steel 321 Long Radius Bend
- Stainless Steel 321H Long Radius Bend
- Stainless Steel 321 Short Radius Bend
- Stainless Steel 321H Short Radius Bend
- Stainless Steel 321 3D Pipe Bend
- Stainless Steel 321H 3D Pipe Bend
- Stainless Steel 321 5D Pipe Bend
- Stainless Steel 321H 5D Pipe Bend
- Stainless Steel 321 10D Pipe Bend
- Stainless Steel 321H 10D Pipe Bend
Stainless Steel 321/321H Pipe Nipples
- Stainless Steel 321 Pipe Nipple
- Stainless Steel 321H Pipe Nipple
- Stainless Steel 321 Close Nipple
- Stainless Steel 321H Close Nipple
- Stainless Steel 321 Hex Nipple
- Stainless Steel 321H Hex Nipple
- Stainless Steel 321 Swage Nipple
- Stainless Steel 321H Swage Nipple
- Stainless Steel 321 Barrel Nipple
- Stainless Steel 321H Barrel Nipple
- Stainless Steel 321 Reducing Nipple
- Stainless Steel 321H Reducing Nipple
Stainless Steel 321/321H Lateral Tee
- Stainless Steel 321 Lateral Tee
- Stainless Steel 321H Lateral Tee
- SS 321 45-Degree Lateral Tee
- SS 321H 45-Degree Lateral Tee
- SS 321 Reducing Lateral Tee
- SS 321H Reducing Lateral Tee
Stainless Steel 321/321H Buttweld Fittings Updated Price List
SS 321/321H Buttweld Fittings Manufacturing Standard
| ASME B16.9 ASTM A403 WP321/321H Pipe 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 |
SS 321/321H Buttweld Fittings Elbow Dimensions Standard
| Nominal Pipe Size | Outside Diameter | 90 Degree Elbows | 45 Degree Elbows | 180 Degree Returns | ||||
|---|---|---|---|---|---|---|---|---|
| (mm) | (inches) | Long Radius (inches) | Short Radius (inches) | Center to Face (inches) | Radius (inches) | Center to Center (inches) | Back to Face (inches) | |
| 1/2 | 21.3 | 0.840 | 1 1/2 | – | 5/8 | 0.625 | 2 | 1 7/8 |
| 3/4 | 26.7 | 1.050 | 1 1/8 | 3/4 | 7/16 | 0.438 | 2 1/4 | 1 11/16 |
| 1 | 33.4 | 1.315 | 1 1/2 | 1 | 7/8 | 0.875 | 3 | 2 3/16 |
| 1 1/4 | 42.2 | 1.660 | 1 7/8 | 1 1/4 | 1 | 1.000 | 3 3/4 | 2 3/4 |
| 1 1/2 | 48.3 | 1.900 | 2 1/4 | 1 1/2 | 1 1/8 | 1.125 | 4 1/2 | 3 1/4 |
| 2 | 60.3 | 2.375 | 3 | 2 | 1 3/8 | 1.375 | 6 | 4 3/16 |
| 2 1/2 | 73.0 | 2.875 | 3 3/4 | 2 1/2 | 1 3/4 | 1.750 | 7 1/2 | 5 3/16 |
| 3 | 88.9 | 3.500 | 4 1/2 | 3 | 2 | 2.000 | 9 | 6 1/4 |
| 3 1/2 | 101.6 | 4.000 | 5 1/4 | 3 1/2 | 2 1/4 | 2.250 | 10 1/2 | 7 1/4 |
| 4 | 114.3 | 4.500 | 6 | 4 | 2 1/2 | 2.500 | 12 | 8 1/4 |
| 5 | 141.3 | 5.563 | 7 1/2 | 5 | 3 1/8 | 3.125 | 15 | 10 5/16 |
| 6 | 168.3 | 6.625 | 9 | 6 | 3 3/4 | 3.750 | 18 | 12 5/16 |
| 8 | 219.1 | 8.625 | 12 | 8 | 5 | 5.000 | 24 | 16 5/16 |
| 10 | 273.1 | 10.750 | 15 | 10 | 6 1/4 | 6.250 | 30 | 20 3/8 |
| 12 | 323.9 | 12.750 | 18 | 12 | 7 1/2 | 7.500 | 36 | 24 3/8 |
SS 321/321H Buttweld Fittings Cap, Tee, Cross, Stub End Dimensions Standard
| Nominal Pipe Size | Outside Diameter | Caps (Length) | Straight Tees (Center to End) | Straight Crosses (Center to End) | Stub Ends | |||
| Inch | mm | Inch | Inch | Inch | Inch | Lap Diameter (Inch) | Long Length (Inch) | Short Length (Inch) |
| 1/2 | 21.3 | 0.840 | 1.00 | 1.00 | – | 1.375 | 3.00 | 2.00 |
| 3/4 | 26.7 | 1.050 | 1.00 | 1.13 | – | 1.688 | 3.00 | 2.00 |
| 1 | 33.4 | 1.315 | 1.50 | 1.50 | 1.50 | 2.00 | 4.00 | 2.00 |
| 1 1/4 | 42.2 | 1.660 | 1.50 | 1.88 | 1.88 | 2.50 | 4.00 | 2.00 |
| 1 1/2 | 48.3 | 1.900 | 1.50 | 2.25 | 2.25 | 2.88 | 4.00 | 2.00 |
| 2 | 60.3 | 2.375 | 1.50 | 2.50 | 2.50 | 3.63 | 6.00 | 2.50 |
| 2 1/2 | 73.0 | 2.875 | 1.50 | 3.00 | 3.00 | 4.13 | 6.00 | 2.50 |
| 3 | 88.9 | 3.500 | 2.00 | 3.38 | 3.38 | 5.00 | 6.00 | 2.50 |
| 3 1/2 | 101.6 | 4.000 | 2.50 | 3.75 | 3.75 | 5.50 | 6.00 | 3.00 |
| 4 | 114.3 | 4.500 | 2.50 | 4.13 | 4.13 | 6.19 | 6.00 | 3.00 |
| 5 | 141.3 | 5.563 | 3.00 | 4.88 | 4.88 | 7.31 | 8.00 | 3.00 |
| 6 | 168.3 | 6.625 | 3.50 | 5.63 | 5.63 | 8.50 | 8.00 | 3.50 |
| 8 | 219.1 | 8.625 | 4.00 | 7.00 | 7.00 | 10.63 | 8.00 | 4.00 |
| 10 | 273.1 | 10.750 | 5.00 | 8.50 | 8.50 | 12.75 | 10.00 | 5.00 |
| 12 | 323.9 | 12.750 | 6.00 | 10.00 | 10.00 | 15.00 | 10.00 | 6.00 |
Stainless Steel 321/321H Buttweld Pipe Fittings Pressure Ratings
| Stainless Steel Pipe Fittings Pressure Rating (PSIG) | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| NPS (inch) | OD (inch) | Pipe Schedule | Wall Thickness (inch) | Temperature | ||||||||
| 100°F | 200°F | 300°F | 400°F | 500°F | ||||||||
| Allowable Stress (Pressure Rating) | ||||||||||||
| 16700 | 16700 | 16700 | 15500 | 14400 | ||||||||
| 1 1/2" | 1.0900 | 40 | 0.0145 | 1629 | 1629 | 1629 | 1512 | 1404 | ||||
| 1.0900 | 80 | 0.0200 | 2303 | 2303 | 2303 | 2138 | 1986 | |||||
| 1.0900 | 160 | 0.0281 | 3362 | 3362 | 3362 | 3120 | 2899 | |||||
| 2" | 2.0375 | 40 | 0.0154 | 1371 | 1371 | 1371 | 1272 | 1182 | ||||
| 2.0375 | 80 | 0.0218 | 1985 | 1985 | 1985 | 1843 | 1712 | |||||
| 2.0375 | 160 | 0.0344 | 3283 | 3283 | 3283 | 3047 | 2831 | |||||
| 3" | 3.0500 | 40 | 0.0216 | 1301 | 1301 | 1301 | 1208 | 1122 | ||||
| 3.0500 | 80 | 0.0300 | 1844 | 1844 | 1844 | 1712 | 1590 | |||||
| 3.0500 | 160 | 0.0438 | 2787 | 2787 | 2787 | 2587 | 2403 | |||||
| 4" | 4.0500 | 40 | 0.0237 | 1102 | 1102 | 1102 | 1023 | 950 | ||||
| 4.0500 | 80 | 0.0337 | 1596 | 1596 | 1596 | 1482 | 1377 | |||||
| 4.0500 | 160 | 0.0531 | 2611 | 2611 | 2611 | 2424 | 2252 | |||||
| 10" | 10.0750 | 40 | 0.0365 | 699 | 699 | 699 | 649 | 603 | ||||
| 10.0750 | 80 | 0.0594 | 1159 | 1159 | 1159 | 1075 | 999 | |||||
| 10.0750 | 160 | 0.1012 | 2289 | 2289 | 2289 | 2124 | 1974 | |||||
SS 321/321H Buttweld Fittings Forms & Availability
- SS 321 1.5D Elbow
- Stainless Steel 321 Reducing Outlet Tees
- Stainless Steel 321 Reducing Outlet Crosses
- ASTM A403 WP321 Long Radius Elbow
- ASTM A403 WP321 Stub Ends
- ASTM A403 WP321 Short Radius Elbow
- Stainless Steel 321 Elbows
- Stainless Steel 321 Split Tees
- SS 321 Seamless Cushion Tee
- SS 321 Seamless Target Tee
- Stainless Steel 321 Dish Ends
- Stainless Steel 321 Straight Tee & Crosses
- Stainless Steel 321 Welded Elbows
- Stainless Steel 321 Collar
- Stainless Steel 321 Piggable Bend
- Stainless Steel 321 Reducers
- Stainless Steel 321 Reducing Elbow
- SS 321 Seamless Buttweld 45 Deg Elbow
- SS 321 Seamless Buttweld 90 Deg Elbow
- SS 321 Seamless Buttwelding 180 Deg Returns
- SS 321 Lap Joint Stub End
- SS 321 LR Elbow Manufacturer
- SS 321 SR Elbow Supplier
- SS 321 SR Return Supplier
- SS 321 LR Return Exporter
- SS 321 U Bend Manufacturer
- SS 321H 1.5D Elbow
- Stainless Steel 321H Reducing Outlet Tees
- Stainless Steel 321H Reducing Outlet Crosses
- ASTM A403 WP321H Long Radius Elbow
- ASTM A403 WP321H Stub Ends
- ASTM A403 WP321H Short Radius Elbow
- Stainless Steel 321H Elbows
- Stainless Steel 321H Split Tees
- SS 321H Seamless Cushion Tee
- SS 321H Seamless Target Tee
- Stainless Steel 321H Dish Ends
- Stainless Steel 321H Straight Tee & Crosses
- Stainless Steel 321H Welded Elbows
- Stainless Steel 321H Collar
- Stainless Steel 321H Piggable Bend
- Stainless Steel 321H Reducers
- Stainless Steel 321H Reducing Elbow
- SS 321H Seamless Buttweld 45 Deg Elbow
- SS 321H Seamless Buttweld 90 Deg Elbow
- SS 321H Seamless Buttwelding 180 Deg Returns
- SS 321H Lap Joint Stub End
- SS 321H LR Elbow Manufacturer
- SS 321H SR Elbow Supplier
- SS 321H SR Return Supplier
- SS 321H LR Return Exporter
- SS 321H U Bend Manufacturer
Industries we Serve
We Export this Stainless Steel 321/321H Buttweld Fittings to countries such as Afghanistan, Albania, Andorra, Austria, Bahrain, Bangladesh, Bhutan, Brunei, Belarus, Belgium, Bulgaria, Cambodia, China, Cyprus, Croatia, Czech Republic, Denmark, Estonia, Egypt, Finland, France, Germany, Greece, Georgia, Hungary, Iceland, Ireland, Italy, Indonesia, Iran, Iraq, Israel, Japan, Jordan, Kazakhstan, Kuwait, Kyrgyzstan, Lebanon, Latvia, Latin America, Liechtenstein, Lithuania, Luxembourg, Malta, Moldova, Monaco, Malaysia, Maldives, Mongolia, Myanmar (Burma), Nepal, North Korea, Netherlands, Norway, Oman, Poland, Portugal, Pakistan, Palestine, Philippines, Qatar, Russia, Romania, Russia, San Marino, Serbia and Montenegro, Slovakia, Slovenia, Spain, Sweden, Switzerland, Saudi Arabia, Singapore, South Korea, South Africa, Sri Lanka, Syria, Taiwan, Tanzania, Tajikistan, Thailand, Turkey, Turkmenistan, Ukraine, United Kingdom, United Arab Emirates (UAE), Uzbekistan, Vietnam, Yemen
We Supply Stainless Steel 321/321H Buttweld Fittings to cities including Mumbai, Delhi, Kolkata, Chennai, Bengaluru, Hyderabad, Ahmadabad, Pune, Surat, Jaipur, Kanpur, Lucknow, Nagpur, Ghaziabad, Indore, Coimbatore, Kochi, Patna, Kozhikode, Bhopal, Thrissur, Vadodara, Agra, Malappuram, Thiruvananthapuram, Kannur, Ludhiana, Nashik, Vijayawada, Madurai, Varanasi, Meerut, Faridabad, Rajkot, Jamshedpur, Srinagar, Jabalpur, Asansol, Vasai Virar City, Allahabad, Dhanbad, Aurangabad, Amritsar, Jodhpur, Ranchi, Raipur, Kollam, Gwalior, Durg-Bhilainagar, Chandigarh, Tiruchirappalli, Kota