A stainless steel butt weld end cap is a type of welding fitting used to cover the end of a pipe or tube. It is made from high-quality stainless steel alloy and welded to the end of the pipe for a secure and leak-proof connection. Stainless steel butt weld end caps are commonly used in piping systems where the ends of pipes need to be sealed off to prevent fluids or gases from escaping. They come in various sizes and thicknesses, and can be customized to fit specific pipe requirements. They are widely used in different industries, including oil and gas, chemical, food and beverage, pharmaceutical, and pulp and paper.
Specifikimet e lidhësit të tubave me saldime fundore të barabarta në formë kryqi
| Madhësitë | 1/2″ (15 NB) to 48″ (1200NB), Outside diameter : 1/2″ à 24″ (21,34 – 609,5 mm) |
| Standardet | ANSI – B 16.9, ASTM A403 – ASME SA403 – ‘Specifikimi standard për pajisjet e tubacioneve prej çeliku inox austenitik të punuar’, API 590-605, ASME B16.9 – ‘Pajisjet e punuara me saldim me bisht në fabrikë”, ASME B16.25 – ‘Fundet për saldim me bisht’, ASME B16.28 – ‘Kthesat dhe kthimet me rreze të shkurtër prej çeliku të punuar për saldim me bisht’, MSS SP-43 – ‘Pajisjet për saldim me bisht të punuara dhe të fabrikuar për aplikime me presion të ulët, rezistente ndaj korrozionit’ |
| Përmasat | ASME/ANSI B16.9, MSS-SP-43 Lloji A, MSS-SP-43 Lloji B, JIS B2312, JIS B2313, ASME B16.28 |
| Trashësia | Orari 5S, 10S, 20S, S10, S20, S30, STD, 40S, S40, S60, XS, 80S, S80, S100, S120, S140, S160, XXS e të tjera. |
| End Caping Radius | R=10D
|
| Nga | End Caps, Pipe Caps, Pipe End Caps, Steel Pipe End Caps. |
| Notat&Materialet | ASTM A403 WP316/316L, ASTM A403 WP304/304L, ASTM A182 F316L, 304L, DIN 1.4301, DIN1.4306, DIN 1.4401, DIN 1.4404, 304H, 309, 310, 316, 316L, 317L, 321, 347, 904L,ASTM A234, ASME SA234 WPB , WPBW, WPHY 42, WPHY 46, WPHY 52, WPH 60, WPHY 65 & WPHY 70. ASME SA234 WP1 / WP5 / WP9 / WP11 / WP22 / WP91, ASTM A815, ASME SA815 UNS Nr. S31803, S32205, S32750, S32950, ASTM B336, ASME SB336, Nikel 200 (UNS Nr. No2200), Nikel 201 (UNS Nr. N02201), Monel 400 (UNS Nr. N04400), Monel 500 (UNS Nr. N05500), Inconel 800 (UNS Nr. N08800), Inconel 825 (UNS Nr. N08825), Inconel 600 (UNS Nr. N06600), Inconel 625 (UNS Nr. N06625), Inconel 601 (UNS Nr. N06601), Hastelloy C 276 (UNS No. N10276), Alloy 20 (UNS No. N08020), Titani (Klasa I & II), Bakër-Nikel 70/30, CuNi10Fe1Mn, CuNi30Mn1Fe. |
| Lloji | Butt Weld (BW) / Pa qepje / Tjegulluar / ERW / Të fabrikuar |
| Veshje / Trajtim i sipërfaqes | Boja kundër ndryshkut, boja e zezë me vaj, e verdhë transparente, e zinkuar, galvanizuar me zhytje të ftohtë dhe të nxehtë |
Buttweld End Cap Manufacturing Standards
| Standardi ASME | ASME/ANSI B16.9, ASME/ANSI B16.28, MSS-SP-43 |
| Standardi DIN | DIN28011, DIN2617, DIN2616, DIN2615, DIN2605 |
| Standardi EN | EN10253-2, EN10253-1 |
| ASME B16.25 | Saldimi me bisht i skajeve |
| ASME B16.9 | Pjesë lidhëse të punuara në fabrikë me saldime me kokë |
| ASME B16.28 | Wrought Steel End Cap and Buttwelding Returns |
| ASTM A403 – ASME SA403 | Specifikimi standard për lidhjen e tubave prej çeliku inox austenitik të përpunuar |
| MSS SP-43 | Pajisje për saldime fundore të përpunuara dhe të fabrikuar për aplikime me presion të ulët dhe rezistencë ndaj korrozionit |
DIMENSIONS OF END CAPS

Stainless Steel Buttweld End Cap Dimention Drawing
| Shërbimi Kombëtar i Parkeve | O.D. D |
LENGTH H |
LENGTH H1 |
| 1/2 | 21.3 | 25 | 25 |
| 3/4 | 26.7 | 25 | 25 |
| 1 | 33.4 | 38 | 38 |
| 1.1/4 | 42.2 | 38 | 38 |
| 1.1/2 | 48.3 | 38 | 38 |
| 2 | 60.3 | 38 | 44 |
| 2.1/2 | 73 | 38 | 51 |
| 3 | 88.9 | 51 | 64 |
| 3.1/2 | 101.6 | 64 | 76 |
| 4 | 114.3 | 64 | 76 |
| 5 | 141.3 | 76 | 89 |
| 6 | 168.3 | 89 | 102 |
| 8 | 219.1 | 102 | 127 |
| 10 | 273 | 127 | 152 |
| 12 | 323.8 | 152 | 178 |
| 14 | 355.6 | 165 | 191 |
| 16 | 406.4 | 178 | 203 |
| 18 | 457 | 203 | 229 |
| 20 | 508 | 229 | 254 |
| 22 | 559 | 254 | 254 |
| 24 | 610 | 267 | 305 |
| 26 | 660 | 267 | … |
| 28 | 711 | 267 | … |
| 30 | 762 | 267 | … |
| 32 | 813 | 267 | … |
| 34 | 864 | 237 | … |
| 36 | 914 | 267 | … |
| 38 | 965 | 305 | … |
| 40 | 1016 | 305 | … |
| 42 | 1067 | 305 | … |
| 44 | 1118 | 343 | … |
| 46 | 1168 | 343 | … |
| 48 | 1219 | 343 | … |

Stainless Steel Buttweld End Cap Dimention Drawing2
| CAPS – ANSI B 16.9 dimension | |||
| inçë | milimetra | Height | |
| D | E | ||
| 1/2 | 15 | 21,34 | 25,40 |
| 3/4 | 20 | 26,67 | 31,75 |
| 25 | 33,40 | 38,10 | |
| 1 1/4 | 32 | 42,16 | 38,10 |
| 1 1/2 | 40 | 48,26 | 38,10 |
| 2 | 50 | 60,32 | 38,10 |
| 2 1/2 | 65 | 73,02 | 38,10 |
| 3 | 80 | 88,90 | 50,80 |
| 3 1/2 | 90 | 101,60 | 63,50 |
| 4 | 100 | 114,30 | 63,50 |
| 5 | 125 | 141,30 | 76,20 |
| 6 | 150 | 168,27 | 88,90 |
| 8 | 200 | 219,07 | 101,60 |
| 10 | 250 | 273,05 | 127,00 |
| 12 | 300 | 323,85 | 152,40 |
| 14 | 350 | 355,60 | 165,10 |
| 16 | 400 | 406,40 | 177,80 |
| 18 | 450 | 457,20 | 203,20 |
| 20 | 500 | 508,00 | 228,60 |
| 22 | 550 | 558,80 | 254,00 |
| 24 | 600 | 609,60 | 266,70 |
| 28 | 700 | 711,20 | 266,70 |
| Dimension in mm | |||
DIMENSIONAL TOLERANCES – CAPS
| DIMENSIONAL TOLERANCES – CAPS | ||||
| For all fittings | Caps | |||
| Madhësia nominale e tubit (NPS) | Outside Ø at Bevel | Inside Ø at End | Wall Thickness t / t1 |
Overall Length E |
| 1/2 a 2 1/2 | 1 | 0,8 | Not | 4 |
| 3 a 3 1/2 | 1 | 1,6 | less | 4 |
| 4 | +2 -1 | 1,6 | than | 4 |
| 5 a 6 | +3 -1 | 1,6 | 87,50% | 7 |
| 8 | 2 | 1,6 | of nominal | 7 |
| 10 | +4 -3 | 3,2 | tickness | 7 |
| 12 a 18 | +4-3 | 3,2 | 7 | |
| 20 a 24 | +6-5 | 4,8 | 7 | |
| 26 a 30 | +7 -5 | 4,8 | 10 | |
| 32 a 48 | +7 -5 | 4,8 | 10 | |
Weight of SS Buttweld End Caps
| Shërbimi Kombëtar i Parkeve | Sëmundje seksualisht të transmetueshme | XS | SCH 160 | Shumë e vogël |
| 1 | 0.09 | 0.14 | 0.18 | 0.23 |
| 1.1/4 | 0.14 | 0.18 | 0.23 | 0.34 |
| 1.1/2 | 0.18 | 0.23 | 0.27 | 0.41 |
| 2 | 0.27 | 0.34 | 0.57 | 0.68 |
| 2.1/2 | 0.41 | 0.45 | 0.79 | 1.13 |
| 3 | 0.68 | 0.79 | 1.32 | 1.81 |
| 3.1/2 | 0.91 | 1.13 | – | 2.72 |
| 4 | 1.13 | 1.36 | 2.68 | 3.4 |
| 5 | 2.04 | 2.49 | 4.54 | 5.44 |
| 6 | 2.95 | 4.08 | 6.8 | 8.16 |
| 8 | 5.44 | 7.26 | 14.06 | 13.61 |
| 10 | 9.07 | 11.34 | 25.85 | – |
| 12 | 13.61 | 16.33 | 43.09 | – |
| 14 | 16.33 | 20.41 | – | – |
| 16 | 18.14 | 24.49 | – | – |
| 18 | 24.49 | 32.66 | – | – |
| 20 | 34.02 | 39.01 | – | – |
| 22 | 42.64 | 56.7 | – | – |
| 24 | 43.54 | 58.97 | – | – |
| 26 | 53.98 | 72.12 | – | – |
| 30 | 78.02 | 103.87 | – | – |
| Shërbimi Kombëtar i Parkeve | Sëmundje seksualisht të transmetueshme | XS | SCH 160 | Shumë e vogël |
ASME B16.9 SS End Cap Angularity Tolerance
| Jo i disponueshëm | Këndi maksimal i devijimit | Maksimumi jashtë pistës |
| Q | P | |
| 1/2 një 4 | 1 | 2 |
| 5 a 8 | 2 | 4 |
| 10 a 12 | 3 | 5 |
| 14 a 16 | 3 | 7 |
| 18 deri në 24 | 4 | 10 |
| 26 a 30 | 5 | 10 |
| 32 a 42 | 5 | 13 |
| 44 dhe 48 | 5 | 20 |
BUTTWELD END CAP – MATERIALS & GRADES
| Kapak fundor me saldime për çelik inox | ASTM A403 WP316/316L, ASTM A403 SA / A 774 WP-S, WP-W, WP-WX 304/304L, ASTM A182 F316L, 304L, DIN 1.4301, DIN1.4306, DIN 1.4401, DIN 1.4404 |
| Duplex & Super Duplex Steel Buttweld End Cap | ASTM A 815, ASME SA 815 UNS NO S31803, S32205. UNS S32750, S32950. Werkstoff Nr. 1.4462 |
| Carbon Steel Buttweld End Cap | ASTM A234, ASME SA234 WPB, WPBW, WPHY 42, WPHY 46, WPHY 52, WPH 60, WPHY 65 & WPHY 70. |
| Low Temperature Carbon Steel Buttweld End Cap | ASTM A420 WPL3, A420 WPL6 |
| Alloy Steel Buttweld End Cap | ASTM / ASME A/SA 234 Gr. WP 1, WP 5, WP 9, WP 11, WP 12, WP 22, WP 91 |
| Nickel Alloy Buttweld End Cap | ASTM B336, ASME SB336, Nikel 200 (UNS Nr. No2200), Nikel 201 (UNS Nr. N02201), Monel 400 (UNS Nr. N04400), Monel 500 (UNS No. N05500), Inconel 800 (UNS No. N08800), Inconel 825 (UNS No. N08825), Inconel 600 (UNS No. N06600), Inconel 625 (UNS Nr. N06625), Inconel 601 (UNS Nr. N06601), Hastelloy C 276 (UNS No. N10276), Alloy 20 (UNS No. N08020), Titani (Klasa I & II), Bakër-Nikel 70/30, CuNi10Fe1Mn, CuNi30Mn1Fe. |
Different End Cap Shapes
ASME B16.9 Pipe End Cap Are Available In Various Shapes
- End Cap Square
- End Cap Round
- End Cap Rectangular
- “U” Shape End Cap
- “I” Shape End Cap
- Hex End Cap
- Hemispherical End Cap
- Oval End Cap
Advantages of Buttweld End Cap
- Offer permanent leakproof
- Adds strength and power to the pipng structure
- Reduce pressure losses
- Deliver a framework that uses atleast space
Types of End Cap
| Butt weld End Caps | Seamless Buttweld Caps |
| ASME B16.28 Buttweld Pipe End Caps | MSS-SP-43 Buttweld Pipe Caps |
| JIS B2313 Buttweld Pipe End Cap | JIS B2312 Buttweld Pipe Cap |
| End Cap Pipe Fittings | Welded Butt weld End Cap |
| Forged End Cap Pipe Fittings | Threaded End Cap |
| ANSI B16.9 End Cap | Fabricated Pipe End Cap |
Buttweld End Cap Application
ASME B16.9 End Cap are known to deliver exceptional performance and are generally developed for meeting the demands. We offer a broad range of Buttweld Cap through a worldwide network of stock-keeping branches. These End Pipe Cap is use in various industries like :
- Stainless Steel Buttweld End Cap uses in Oil and Gas Pipeline
- Butt weld End Caps uses in Chemical Industry
- Alloy Steel End Caps uses in Plumbing
- Buttweld Eccentric Pipe Cap uses in Heating
- Buttweld End Cap Fittings uses in Water Supply Systems
- ANSI B16.9 Buttweld End Caps uses in Power Plant
- Buttweld End Cap Fitting uses in Paper & Pulp Industry
- End Cap uses in General Purpose Applications
- Buttweld End Cap uses in Fabrication Industry
- End Cap uses in Food Processing Industry
- Buttweld End Caps uses in Structural Pipe
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