Buttweld Fittings Specifications
Buttweld fittings are pipe fittings used to connect sections of pipe or change the direction of flow in piping systems. They are welded directly to the pipe, providing a strong, permanent, and leak-proof connection. Common types include elbows, tees, reducers, and caps, available in both seamless and welded forms. These fittings are manufactured to international standards such as ASME B16.9 and are widely used in industries like oil and gas, power plants, petrochemicals, and refineries for high-pressure and high-temperature applications.
Stainless and Duplex Steel
| Range | 15 NB UP TO 1200 NB IN SCH 5S, 10S, 10, 20, 40S, 40, STD, 60, 80S, 80, XS, 100, 120, 140, 160 & XXS |
|---|---|
| Form | Seamless & Welded, Long Radius & Short Radius Elbow 90°, Long Radius Elbow 45°, Long Radius & Short Radius Elbow 180° (Return Bend), Reducing Elbow, Equal Tee, Unequal Tee, Crosses, Concentric Reducer, Eccentric Reducer, Long Stubend, Short Stubend, Coller, Pipe Cap, Long Radius Bends R = 3D, 5D, 6D, 8D, 10D & 20D in 15°, 30°, 60° & 90°, Drawing Based Butt Weld Fitting (Customised). |
| Stainless Steel Grades |
ASTM / ASME SA 403 GR WP "S" / "W" / "WX" 304, 304L, 304H, 304N, 304LN, 309, 310H, 316, 316H, 317, 317L, 321, 321H, 347, 347H |
| Duplex Steel Grades |
ASTM / ASME SA 815 UNS NO. S31803, S32205, S32550, S32750, S32760 |
Carbon & Alloy Steel
| Range | 15 NB UP TO 1200 NB IN SCH 5S, 10S, 10, 20, 40S, 40, STD, 60, 80S, 80, XS, 100, 120, 140, 160 & XXS |
|---|---|
| Form | Seamless & Welded, Long Radius & Short Radius Elbow 90°, Long Radius Elbow 45°, Long Radius & Short Radius Elbow 180° (Return Bend), Reducing Elbow, Equal Tee, Unequal Tee, Crosses, Concentric Reducer, Eccentric Reducer, Long Stubend, Short Stubend, Coller, Pipe Cap, Long Radius Bends R = 3D, 5D, 6D, 8D, 10D & 20D in 15°, 30°, 60° & 90°, Drawing Based Butt Weld Fitting (Customised) |
| Carbon Steel | ASTM / ASME A 234 WPB, WPC, ASTM / ASME A 860 WPHY 42, WPHY 46, WPHY 52, WPH 60, WPHY 65 & WPHY 70 |
| Alloy Steel | ASTM / ASME A 234 WP 1, WP 5, WP 9, WP 11, WP 12, WP 22, WP 23, WP 91 |
Nickel & Copper Alloy
| Range | 15 NB UP TO 1200 NB IN SCH 5S, 10S, 10, 20, 40S, 40, STD, 60, 80S, 80, XS, 100, 120, 140, 160 & XXS |
|---|---|
| Form | Seamless / Erw / Welded in Round & Square |
| Nickel Alloy | ASTM / ASME SB 163 UNS 2200 (NICKEL 200), ASTM / ASME SB 163 UNS 2201 (NICKEL 201), ASTM / ASME SB 163 / 165 UNS 4400 (MONEL 400), ASTM / ASME SB 464 UNS 8020 (ALLOY 20 / 20 CB 3), ASTM / ASME SB 704/705 UNS 8825 INCONEL (825), ASTM / ASME SB 167 / 517 UNS 6600 (INCONEL 600), ASTM / ASME SB 167 UNS 6601 (INCONEL 601), ASTM / ASME SB 704 /705 UNS 6625 (INCONEL 625), ASTM / ASME SB 619/622/626 UNS 10276 (HASTELLOY C 276) |
| Copper Alloy | ASTM / ASME SB 111 UNS NO. C 10100, 10200, 10300, 10800, 12000, 12200, 70600, 71500, ASTM / ASME SB 466 UNS NO. C 70600 (CU-NI-90/10), C 71500 (CU-NI-70/30) |
Hastelloy
| Grades | Hastelloy C-22, Hastelloy C-276, Hastelloy C-2000 |
|---|---|
| Standards | ASTM / ASME SB 336 & XXS |
| Types | Bend (Long & Short), Elbow (180° , 90° & 45°), Tee (Equal & Unequal), Reducer (Concentric & Eccentric), CAP, Stub end (Long & Short), Nipple (Barrel) |
Inconel
| Grades | Inconel 600, Inconel 601, Inconel 625, Inconel 625LCF, Inconel 686, Inconel 718, Inconel 800, Inconel 825, Inconel X-750 |
|---|---|
| Range | 15 NB UP TO 600 NB IN SCH 5S, 10S, 10, 20, 40S, 40, STD, 60, 80S, 80, XS, 100, 120, 140, 160 & XXS |
| Types | Elbow 90°, Elbow 45°, Elbow 180°, long/short radius elbows, equal/unequal tees, concentric/eccentric reducers, caps, crosses, short/long neck stub-ends |
Incoloy
| Grades | Incoloy 800, Incoloy 825, Incoloy 925, Incoloy A-286, Incoloy DS |
|---|---|
| Standards | ASTM B366 |
| Types | Bend (Long & Short), Elbow (180°, 90° & 45°), Tee (Equal & Unequal), Reducer (Concentric & Eccentric), CAP, Stub end (Long & Short), Nipple (Barrel) |
Monel
| Grades | Monel 400, Monel K500 |
|---|---|
| Range | 1/2" NB to 36" NB |
| Types | Long/short radius elbows, equal/unequal tees, concentric/eccentric reducers, caps, cross, short/long neck stub-ends |
Titanium
| Grades | Grade 1, Grade 2, Grade 3, Grade 4, Grade 5, Grade 7, Grade 9, Grade 23 |
|---|---|
| Titanium Buttweld Fitting Range | 15 NB To 600 NB in Sch.: 5, 10, 20, 40, 80, 120, 160, XS, XXS |
| Types | Bend (Long & Short), Elbow (180°, 90° & 45°), Tee (Equal & Unequal), Reducer (Concentric & Eccentric), CAP, Stub end (Long & Short), Nipple (Barrel) |
