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Stainless steel lap joint stub end is a type of fitting used in piping systems. It is designed to be used with a lap joint flange in order to connect two sections of pipe.
The stub end is made from stainless steel, which is a highly durable and corrosion-resistant material that is commonly used in a wide range of industrial applications. The lap joint design allows for easy alignment and installation, while the stub end itself is designed to provide a secure and leak-proof seal.
Stainless steel lap joint stub ends are available in a range of sizes and thicknesses to accommodate a variety of piping systems. They are commonly used in high-pressure and high-temperature applications, as well as in corrosive environments where resistance to corrosion is essential.
Sveukupno, stainless steel lap joint stub ends are a highly versatile and reliable pipe fitting that can be used in a wide range of industrial applications.
Lap Joint Stub End Specification
| Veličine | 1/2” TO 36”, (Seamless up to 24”), (Welded 8” TO 36”) |
| Standardi | ANSI/ASME :ASTM A403 / ASME SA403, ANSI B16.9, ASME B16.25, ASME B16.28, MSS SP-43.DIN : DIN2605, DIN2615, DIN2616, DIN2617, DIN28011，IN : EN10253-1, EN10253-2 |
| Dimenzije | MSS SP-75, ANSI B16.28, MSS-SP-43 Tip A, MSS-SP-43 Tip B, BS1640, IN 10253 – 4, OD 2605, HE B2312, ANSI B16.9, JIS B2313 |
| Debljina | Raspored 5S, 10S, 20S, S10, S20, S30, STD, 40S, S40, S60, XS, 80S, S80, S100, S120, S140, S160, XXS i sl. |
| Radijus savijanja | R=1D, 2D, 3D, 5D, 6D, 8D, 10D or Custom. |
| Od | Lap Joint Stub Ends, Pipe Stub Ends, Butt weld Lap Joint Stub Ends. |
| Ocjene&Materijali | ASTM A403 WP316/316L, ASTM A403 SA / A 774 WP-S, WP-W, WP-WX 304/304L, ASTM A182 F316L, 304L, OD 1.4301, DIN1.4306, OD 1.4401, OD 1.4404，ASTM A 815, ASME SA 815 UNS NO S31803, S32205. US S32750, S32950. Materijal br. 1.4462，ASTM A234, ASME SA234 WPB , WPBW, WPHY 42, WPHY 46, WPHY 52, WPH 60, WPHY 65 & WPHY 70.ASTM A420 WPL3, A420 WPL6，ASTM / ASME A/SA 234 Gr. WP 1, WP 5, WP 9, WP 11, WP 12, WP 22, WP 91，ASTM B336, ASME SB336, Nickel 200 (UNS No. No2200), Nickel 201 (UNS No. N02201), Monel 400 (UNS No. N04400), Monel 500 (UNS No. N05500), Inconel 800 (UNS No. N08800), Inconel 825 (UNS No. N08825), Inconel 600 (UNS No. N06600), Inconel 625 (UNS No. N06625), Inconel 601 (UNS No. N06601), Hastelloy C 276 (UNS No. N10276), Alloy 20 (UNS No. N08020), Titanium (Grade I & II), Cupro-Nickel 70/30, CuNi10Fe1Mn, CuNi30Mn1Fe. |
| Tip | Butt Weld (BW), Seamless (SMLS) Zavareni |
| Surface Coatings | Epoxy Coated, Black Painted, Varnished, Galvanized.Connection |
| Connection Type | End Bell / Threaded/ Clamp End / Weld/ Flange/ |
Buttweld Lap Joint Stub End Materials and Grades
| Stainless Steel Buttweld Lap Joint Stub End | ASTM A403 WP316/316L, ASTM A403 SA / A 774 WP-S, WP-W, WP-WX 304/304L, ASTM A182 F316L, 304L, OD 1.4301, DIN1.4306, OD 1.4401, OD 1.4404 |
| Duplex & Super Duplex Steel Buttweld Lap Joint Stub End | ASTM A 815, ASME SA 815 UNS NO S31803, S32205. US S32750, S32950. Materijal br. 1.4462 |
| Carbon Steel Buttweld Lap Joint Stub End | ASTM A234, ASME SA234 WPB , WPBW, WPHY 42, WPHY 46, WPHY 52, WPH 60, WPHY 65 & WPHY 70. |
| Low Temperature Carbon Steel Buttweld Lap Joint Stub End | ASTM A420 WPL3, A420 WPL6 |
| Alloy Steel Buttweld Lap Joint Stub End | ASTM / ASME A/SA 234 Gr. WP 1, WP 5, WP 9, WP 11, WP 12, WP 22, WP 91 |
| Nickel Alloy Buttweld Lap Joint Stub End | ASTM B336, ASME SB336, Nickel 200 (UNS No. No2200), Nickel 201 (UNS No. N02201), Monel 400 (UNS No. N04400), Monel 500 (UNS No. N05500), Inconel 800 (UNS No. N08800), Inconel 825 (UNS No. N08825), Inconel 600 (UNS No. N06600), Inconel 625 (UNS No. N06625), Inconel 601 (UNS No. N06601), Hastelloy C 276 (UNS No. N10276), Alloy 20 (UNS No. N08020), Titanium (Grade I & II), Cupro-Nickel 70/30, CuNi10Fe1Mn, CuNi30Mn1Fe. |
Buttweld Lap Joint Stub End Manufacturing Standards
| ASME standard | ASME/ANSI B16.9, ASME/ANSI B16.28, MSS-SP-43 |
| VAŠ Standard | DIN28011, DIN2617, DIN2616, DIN2615, DIN2605 |
| Standard | EN10253-2, EN10253-1 |
| ASME B16.25 | Završetak čeonog zavarivanja |
| ASME B16.9 | Fabrički izrađeni kovani fitinzi Čeono zavarivanje |
| ASME B16.28 | Ekscentrični reduktor od kovanog čelika |
| ASTM A403 – ASME SA403 | Standardna specifikacija za cjevovode od kovanog austenitnog nehrđajućeg čelika |
| MSS SP-43 | Kovano & Proizvedeni spoj za čeono zavarivanje za niski pritisak, Primene otporne na koroziju |
ASME B16.9 Butt Weld Lap Joint Stub End Dimensions
Dimensions are in millimeters unless otherwise indicated. Wall thickness (t) should be nominative by client. Outlet dimension (M) for NPS twenty-six and bigger is usually recommended however not needed.
| Nominal Bore | Vanjski prečnik | Length F | Diameter of Lap | Radius of Fillet | ||||||||
| F (ANSI B16.9) | F (MSS SP-43) | G | R (ANSI B16.9) A (MSS SP-43) | B (MSS SP-43) | ||||||||
| mm | inches | mm | inches | mm | inches | mm | inches | mm | inches | mm | inches | |
| 1/2″ | 21.34 | 0.84 | 76.20 | 3.00 | 50.80 | 2.00 | 35.05 | 1.38 | 3.04 | 0.12 | 0.76 | 0.03 |
| 3/4″ | 26.67 | 1.05 | 76.20 | 3.00 | 50.80 | 2.00 | 42.93 | 1.69 | 3.04 | 0.12 | 0.76 | 0.03 |
| 1″ | 33.53 | 1.32 | 101.60 | 4.00 | 50.80 | 2.00 | 50.80 | 2.00 | 3.04 | 0.12 | 0.76 | 0.03 |
| 11/4″ | 42.16 | 1.66 | 101.60 | 4.00 | 50.80 | 2.00 | 63.50 | 2.50 | 4.83 | 0.19 | 0.76 | 0.03 |
| 11/2″ | 48.26 | 1.90 | 101.60 | 4.00 | 50.80 | 2.00 | 73.15 | 2.88 | 6.85 | 0.27 | 0.76 | 0.03 |
| 2″ | 60.45 | 2.38 | 152.40 | 6.00 | 63.50 | 2.50 | 91.95 | 3.62 | 7.87 | 0.31 | 0.76 | 0.03 |
| 21/2″ | 73.15 | 2.88 | 152.40 | 6.00 | 63.50 | 2.50 | 104.65 | 4.12 | 7.87 | 0.31 | 0.76 | 0.03 |
| 3″ | 88.90 | 3.50 | 152.40 | 6.00 | 63.50 | 2.50 | 127.00 | 5.00 | 9.65 | 0.38 | 0.76 | 0.03 |
| 31/2″ | 101.60 | 4.00 | 152.40 | 6.00 | 76.20 | 3.00 | 139.00 | 5.47 | 9.65 | 0.38 | 0.76 | 0.03 |
| 4″ | 114.30 | 4.50 | 152.40 | 6.00 | 76.20 | 3.00 | 157.00 | 6.18 | 11.17 | 0.44 | 0.76 | 0.03 |
| 5″ | 141.22 | 5.56 | 203.30 | 8.00 | 76.20 | 3.00 | 185.67 | 7.31 | 11.17 | 0.44 | 1.52 | 0.06 |
| 6″ | 168.15 | 6.62 | 203.20 | 8.00 | 88.90 | 3.50 | 215.90 | 8.50 | 12.70 | 0.50 | 1.52 | 0.06 |
| 8″ | 218.95 | 8.62 | 203.20 | 8.00 | 101.60 | 4.00 | 269.75 | 10.62 | 12.70 | 0.50 | 1.52 | 0.06 |
| 10″ | 273.05 | 10.75 | 254.00 | 10.00 | 127.00 | 5.00 | 323.85 | 12.75 | 12.70 | 0.50 | 1.52 | 0.06 |
| 12″ | 323.85 | 12.75 | 254.00 | 10.00 | 152.40 | 6.00 | 381.00 | 15.00 | 12.70 | 0.50 | 1.52 | 0.06 |
| 14″ | 355.60 | 14.00 | 304.80 | 12.00 | 152.40 | 6.00 | 412.75 | 16.25 | 12.70 | 0.50 | 1.52 | 0.06 |
| 16″ | 406.40 | 16.00 | 304.80 | 12.00 | 152.40 | 6.00 | 469.90 | 18.50 | 12.70 | 0.50 | 1.52 | 0.06 |
| 18″ | 457.20 | 18.00 | 304.80 | 12.00 | 152.40 | 6.00 | 533.40 | 21.00 | 12.70 | 0.50 | 1.52 | 0.06 |
| 20″ | 508.00 | 20.00 | 304.80 | 12.00 | 152.40 | 6.00 | 584.20 | 23.00 | 12.70 | 0.50 | 1.52 | 0.06 |
| 24″ | 609.60 | 24.00 | 304.80 | 12.00 | 152.40 | 6.00 | 692.15 | 27.25 | 12.70 | 0.50 | 1.52 | 0.06 |
Lap Joint Stub End Dimensional Tolerance
MSS SP-43 solely covers stainless steel butt weld fittings created to be used with Schedule 5S and 10S Lap Joint Stub End appropriate to be used with Schedule 40S pipe, kao što je navedeno u ASME B36.19. Tolerancije razmjera i dimenzija navedene u jedinici površine MSS SP-43 znatno su slične onima u ASME B16.9 specifikacijama iz NPS-a 1/2 — NPS dvadeset četiri. Osim u odnosu na prečnik kože na kosi.
| Lap Joint Stub Ends | ||
| O.D. of Lap G | Fillet Radius of Lap – R | Ukupna dužina. – F |
| +0 -1 | +0-1 | 2 |
| +0 -1 | +0-1 | 2 |
| +0 -1 | +0 -2 | 2 |
| +0-1 | +0 -2 | 2 |
| +0 -1 | +0 -2 | 2 |
| +0 -2 | +0 -2 | 2 |
| +0 -2 | +0-2 | 3 |
| +0 -2 | +0 -2 | 3 |
Buttweld Lap Joint Stub End Weight Chart
| NPS
inches |
STUB ENDS | |||
| Sch.
5S |
Sch.
10S |
Sch.
40S |
Sch.
80S |
|
| 1/2 | 0.06 | 0.08 | 0.12 | 0.13 |
| 3/4 | 0.07 | 0.09 | 0.15 | 0.17 |
| 1 | 0.09 | 0.15 | 0.20 | 0.25 |
| 1 1/4 | 0.13 | 0.20 | 0.30 | 0.35 |
| 1 1/2 | 0.16 | 0.25 | 0.38 | 0.46 |
| 2 | 0.25 | 0.40 | 0.55 | 0.75 |
| 2 1/2 | 0.35 | 0.50 | 0.80 | 1.00 |
| 3 | 0.50 | 0.60 | 1.10 | 1.50 |
| 4 | 0.70 | 1.00 | 1.80 | 2.50 |
| 5 | 1.00 | 1.25 | 2.50 | 3.50 |
| 6 | 1.60 | 1.95 | 3.70 | 5.50 |
| 8 | 2.50 | 3.10 | 5.90 | 10.0 |
| 10 | 4.00 | 4.90 | 10.5 | 14.0 |
| 12 | 6.60 | 7.10 | 15.0 | 20.0 |
| 14 | 6.40 | 7.80 | 15.5 | 20.5 |
| 16 | 7.90 | 9.00 | 18.0 | 24.0 |
| 18 | 9.30 | 10.5 | 21.0 | 28.0 |
| 20 | 12.0 | 13.5 | 23.5 | 31.0 |
| 24 | 16.5 | 19.0 | 28.5 | 38.0 |
| Approximate weights in kg, density 8 kg/dm3 | ||||
End welding bevels of Stub Ends
Stainless Steel Lap Joint Stub End Beveled Drawing
| NOMINAL PIPE SIZE (Inches) | NB | OD | THICKNESS | SCH 10 | SCH 20 | SCH 30 | SCH 40 | SCH 80 |
| 1/2 | 15NB | 21.30 | 1.65 | 2.11 | __ | 2.41 | 2.77 | 3.73 |
| 3/4 | 20NB | 26.70 | 1.65 | 2.11 | __ | 2.41 | 2.87 | 3.91 |
| 1 | 25NB | 33.40 | 1.65 | 2.77 | __ | 2.90 | 3.38 | 4.55 |
| 1 1/4 | 32NB | 42.20 | 1.65 | 2.77 | __ | 2.97 | 3.56 | 4.85 |
| 1 1/2 | 40NB | 48.30 | 1.65 | 2.77 | __ | 3.18 | 3.68 | 5.08 |
| 2 | 50NB | 60.30 | 1.65 | 2.77 | __ | 3.18 | 3.91 | 5.54 |
| 2 1/2 | 65NB | 73.00 | 2.11 | 3.05 | __ | 4.78 | 5.16 | 7.01 |
| 3 | 80NB | 88.90 | 2.11 | 3.05 | __ | 4.78 | 5.49 | 7.62 |
| 3 1/2 | 90NB | 101.60 | 2.11 | 3.05 | __ | 4.78 | 5.74 | 8.08 |
| 4 | 100NB | 114.30 | 2.11 | 3.05 | __ | 4.78 | 6.02 | 8.56 |
| 5 | 125NB | 141.30 | 2.77 | 3.40 | __ | __ | 6.55 | 9.53 |
| 6 | 150NB | 168.30 | 2.77 | 3.40 | __ | __ | 7.11 | 10.97 |
| 8 | 200NB | 219.10 | 2.77 | 3.76 | 6.35 | 7.04 | 8.18 | 12.70 |
| 10 | 250NB | 273.00 | 3.40 | 4.19 | 6.35 | 7.80 | 9.27 | 15.09 |
| 12 | 300NB | 323.80 | 3.96 | 4.57 | 6.35 | 8.38 | 10.31 | 17.48 |
| 14 | 350NB | 355.60 | 3.96 | 6.35 | 7.92 | 9.53 | 11.13 | 19.05 |
| 16 | 400NB | 406.40 | 4.19 | 6.35 | 7.92 | 9.53 | 12.7 | 21.44 |
| 18 | 450NB | 457.00 | 4.19 | 6.35 | 7.92 | 11.13 | 14.27 | 23.83 |
| 20 | 500NB | 508.00 | 4.78 | 6.35 | 9.53 | 12.70 | 15.09 | 26.19 |
| 22 | 550NB | 559.00 | 4.78 | 6.35 | 9.53 | 12.70 | __ | 28.58 |
| 24 | 600NB | 610.00 | 5.54 | 6.35 | 9.53 | 14.27 | 17.48 | 30.96 |
SS Lap Joint Stub End Angularity Tolerance
| ND | Max off ugao | Maks van aviona |
| Q | P | |
| 1/2 a 4 | 1 | 2 |
| 5 a 8 | 2 | 4 |
| 10 a 12 | 3 | 5 |
| 14 a 16 | 3 | 7 |
| 18 a 24 | 4 | 10 |
| 26 a 30 | 5 | 10 |
| 32 a 42 | 5 | 13 |
| 44 a 48 | 5 | 20 |
Lap Joint Stub End Types
Lap Joint Stub end are offered in three different ways, type A, B and C. Type A and B stub end are similar to forged fittings, such as elbows and tees, and type C stub end are made in customized sizes.
Type A
The Type A lap joint Stub end is employed for standard joint flange. The lap thickness on the stub end is bigger than or up to the nominal thickness of pipe wall. Additionally, the outer corner radius of the sort A will receive the lap joint flange. The within corner is square. Lap sometimes includes a machined rough face.
Type B
The Type B lap joint Stub end is employed for standard slip on flanges as lap flanges. The lap thickness on these short ends is bigger than or up to the nominal thickness of pipe wall. Also, the outer corner radius of type B is tiny enough to receive the slip o flange which will be used as a backup flange. The inner corner is square. Lap sometimes includes a machined rough face.
Type C
The Type C lap joint Stub end will be used for standard lap joint flange, and put on flange. It’s flaring feat a rounded edge at the within diameter of the lap. If necessary, the radius will be created closed to a square. The lap thickness is 75th of the pipe wall. The sort C is very short enough to accommodate any backup flange. The lap joint on kind C is smooth, and it’s not machined.
ASME B16.9 Buttweld Lap Joint Stub End Available Types
| Buttweld Lap Joint Stub End | Butt Weld Lap Joint Stub Ends |
| ASME B16.9 Butt weld Lap Joint Stub End | Steel Lap Joint Stub Ends Fittings |
| Stainless Steel Lap Joint Stub End Suppliers | SS Buttweld Lap Joint Stub Ends Fitting |
| ANSI B16.9 Buttweld Lap Joint Stub End Dealer | ASME B16.28 Buttweld Lap Joint Stub Ends Exporter |
| Welded Butt weld Lap Joint Stub Ends Stockholder | Seamless Butt weld Lap Joint Stub End Distributors |
| Carbon Steel Lap Joint Stub End | High Quality Lap Joint Stub End Manufacturer |
| ASTM A403 Stainless Steel Lap Joint Stub Ends | Duplex Steel Buttweld Lap Joint Stub End |
| Super Duplex Steel Buttweld Lap Joint Stub End | Copper Nickel Lap Joint Stub End |
| High Nickel Alloy Lap Joint Stub Ends | Hastelloy Lap Joint Stub Ends Stockist |
| Titanium Buttweld Lap Joint Stub End | Inconel Butt weld Lap Joint Stub End |
Buttweld Lap Joint Stub End Application
ASME B16.9 Lap Joint Stub End are known to deliver exceptional performance and are generally developed for meeting the demands. We offer a broad range of Buttweld Lap Joint Stub Ends through a worldwide network of stock-keeping branches. These Lap Joint Stub Ends is use in various industries like :
- Stainless Steel Buttweld Lap Joint Stub End uses in Oil and Gas Pipeline
- Butt weld Lap Joint Stub Ends uses in Chemical Industry
- Alloy Steel Lap Joint Stub Ends uses in Plumbing
- Buttweld Lap Joint Stub Ends uses in Heating
- Buttweld Lap Joint Stub End Fittings uses in Water Supply Systems
- ANSI B16.9 Buttweld Lap Joint Stub Ends uses in Power Plant
- Buttweld Lap Joint Stub End Fitting uses in Paper & Pulp Industry
- Lap Joint Stub End uses in General Purpose Applications
- Buttweld Lap Joint Stub End uses in Fabrication Industry
- Lap Joint Stub End uses in Food Processing Industry
- Buttweld Lap Joint Stub Ends uses in Structural Pipe
