Buttweld Stub Ends Lap Joints Manufacturer, Supplier and Exporter in Mumbai, India
Butt-weld Stub End fitting can be manufactured in various grades of Stainless Steel include 304, 316, 304L, 316L, 317 etc and Alloy Steel include Monel, Inconel, Hastelloy, Duplex Steel, etc. Tube Innovatives (India) is among one of the leading manufacturers and exporters of high-quality pipe fittings by using the latest technology and in-house QC system. We offer our materials with complete certification and as per national and international standards. We also provide Buttweld Pipe Stub Ends as per your requirement with appropriate quantity order. Refer our Stub-End fitting specification and size chart as mentioned below.
| Buttweld Stub Ends Specifications | |||
|---|---|---|---|
| Family | Butt Weld Pipe Fitting | Shape | Stub End |
| Material | Stainless Steel, Carbon Steel, Alloy Steel, Duplex Steel, Nickel Alloy | Make | TII |
| Size | 1/8″-48″ | Thickness | SCH 5-SCH 160 |
| Type | Seamless, Welded(ERW), Fabricated | Variation | Long Stub end, Short Stub end, Collar, Lap Joint Stub end |
| Finish | Shot Blast, Sand Blast, Electro polish | End | Bevelled |
| Marking | TII-Specs-Description-Heat No. | Packing | Protected by Cap |
| Stub End Size Chart | ||||||
|---|---|---|---|---|---|---|
| Nominal Pipe Size | Outside diameter of barrel |
Length (F) | Radius (R) | Diameter (G) | ||
| Minimum | Maximum | Long Pattern |
Short Pattern |
|||
| 1/2″ | 20.5 | 22.8 | 76 | 51 | 3 | 35 |
| 3/4″ | 25.9 | 28.1 | 76 | 51 | 3 | 43 |
| 1″ | 32.6 | 35.0 | 102 | 51 | 3 | 51 |
| 1 1/4″ | 41.4 | 43.6 | 102 | 51 | 5 | 64 |
| 1 1/2″ | 47.5 | 49.9 | 102 | 51 | 6 | 74 |
| 2″ | 59.5 | 62.4 | 152 | 64 | 8 | 92 |
| 2 1/2″ | 72.2 | 75.3 | 152 | 64 | 8 | 105 |
| 3″ | 88.1 | 91.3 | 152 | 64 | 10 | 127 |
| 3 1/2″ | 100.8 | 104.0 | 152 | 76 | 10 | 140 |
| 4″ | 113.5 | 116.7 | 152 | 76 | 11 | 157 |
| 5″ | 140.5 | 144.3 | 203 | 76 | 11 | 186 |
| 6″ | 167.5 | 171.3 | 203 | 89 | 13 | 216 |
| 8″ | 218.3 | 222.1 | 203 | 102 | 13 | 270 |
| 10″ | 272.3 | 277.2 | 254 | 127 | 13 | 324 |
| 12″ | 323.1 | 328.0 | 254 | 152 | 13 | 381 |
| 14″ | 354.8 | 359.9 | 305 | 152 | 13 | 413 |
| 16″ | 405.6 | 411.0 | 305 | 152 | 13 | 470 |
| 18″ | 456.0 | 462.0 | 305 | 152 | 13 | 533 |
| 20″ | 507.0 | 514.0 | 305 | 152 | 13 | 584 |
| 22″ | 558.0 | 565.0 | 305 | 152 | 13 | 641 |
| 24″ | 609.0 | 616.0 | 305 | 152 | 13 | 692 |
| Tolerance Chart | |||||||
|---|---|---|---|---|---|---|---|
| All Fittings | Reducers and Lap. Joint Stub Ends | Lap Joint Stub Ends | |||||
| NPS | Outside (1) Diameter at Bevel | Inside (2) Diameter at End | Wall (2) Thickness | Over all Length F, H |
OD of Lap G |
Thickness of Lap T |
Fillet Radius of Lap R |
| 1/2 to 2 1/2 | +1 | +0.8 | Not less than 87.5% of Nominal thickness | +2 | +0-1 | +2-0 | +0-1 |
| 3 to 3 1/2 | +1 | +1.6 | +2 | +0-1 | +2-0 | +0-1 | |
| 4 | +2-1 | +1.6 | +2 | +0-1 | +2-0 | +0-2 | |
| 5 to 6 | +3-1 | +1.6 | +2 | +0-1 | +2-0 | +0-2 | |
| 8 | +2 | +1.6 | +2 | +0-1 | +2-0 | +0-2 | |
| 10 | +4-3 | +3.2 | +2 | +0-2 | +2-0 | +0-2 | |
| 12 to 18 | +4-3 | +3.2 | +3 | +0-2 | +2-0 | 0-2 | |
| 20 to 24 | +6-5 | +4.8 | +3 | +0-2 | +2-0 | +0-2 | |
| 26 to 30 | +7-5 | +4.8 | +3 | ||||
| 32 to 48 | +7-5 | +4.8 | +3 | ||||
| Outside Diameter of Barrel | |
|---|---|
| Max. | Min. |
| 0.896 | 0.809 |
| 1.106 | 1.019 |
| 1.376 | 1.284 |
| 1.716 | 1.629 |
| 1.966 | 1.869 |
| 2.456 | 2.344 |
| 2.966 | 2.844 |
| 3.596 | 3.469 |
| 4.096 | 3.969 |
| 4.593 | 4.469 |
| 5.683 | 5.532 |
| 6.743 | 6.594 |
| 8.743 | 8.594 |
| 10.913 | 10.719 |
| 12.913 | 12.719 |
| 14.170 | 13.969 |
| 16.180 | 15.969 |
| 18.190 | 17.969 |
| 20.240 | 19.969 |
| 22.240 | 21.969 |
| 24.240 | 23.969 |