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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.
全面的, 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
| 尺寸 | 1/2” TO 36”, (Seamless up to 24”), (Welded 8” TO 36”) |
| 标准 | ANSI/ASME :ASTM A403 / ASME SA403, ANSI B16.9, ASME B16.25, ASME B16.28, MSS SP-43.DIN : DIN2605, DIN2615, DIN2616, DIN2617, DIN28011，在 : EN10253-1, EN10253-2 |
| 方面 | MSS SP-75, ANSI B16.28, MSS-SP-43 A型, MSS-SP-43 B型, BS1640, 在 10253 – 4, 从 2605, JIS B2312, ANSI B16.9, JIS B2313 |
| 厚度 | 附表5S, 10S, 20S, S10, S20, S30, 性病, 40S, S40, S60, XS, 80S, S80, S100, S120, S140, S160, XXS等. |
| 弯曲半径 | R=1D, 2D, 3D, 5D, 6D, 8D, 10D or Custom. |
| 从 | Lap Joint Stub Ends, Pipe Stub Ends, Butt weld Lap Joint Stub Ends. |
| 成绩&材料 | ASTM A403 WP316/316L, ASTM A403 SA / A 774 WP-S, WP-W, WP-WX 304/304L, ASTM A182 F316L, 304L, 从 1.4301, DIN1.4306, 从 1.4401, 从 1.4404，美国材料试验协会 815, 美国机械工程师学会 815 UNS 编号 S31803, S32205. 美国S32750, S32950. 材料编号. 1.4462，ASTM A234, ASME SA234 WPB , 工作带宽, 世界物理研究所 42, 世界物理研究所 46, 世界物理研究所 52, WPH 60, 世界物理研究所 65 & WPHY 70.ASTM A420 WPL3, A420 WPL6，美国材料试验协会 / ASME有限公司 234 组. 湿性粉剂 1, 湿性粉剂 5, 湿性粉剂 9, 湿性粉剂 11, 湿性粉剂 12, 湿性粉剂 22, 湿性粉剂 91，ASTM B336, 美国机械工程师协会SB336, 镍 200 (联合国编号. 2200号), 镍 201 (联合国编号. N02201), 蒙乃尔合金 400 (联合国编号. N04400), 蒙乃尔合金 500 (联合国编号. N05500), 铬镍铁合金 800 (联合国编号. N08800), 铬镍铁合金 825 (联合国编号. N08825), 铬镍铁合金 600 (联合国编号. N06600), 铬镍铁合金 625 (联合国编号. N06625), 铬镍铁合金 601 (联合国编号. N06601), 哈氏合金C 276 (联合国编号. N10276), 合金 20 (联合国编号. N08020), 钛 (一级 & 二), 铜镍合金 70/30, 铜镍10铁1锰, 铜镍30锰1铁. |
| 类型 | 对焊 (体重), 无缝的 (SMLS) 焊接式 |
| Surface Coatings | Epoxy Coated, Black Painted, Varnished, Galvanized.Connection |
| 连接类型 | 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, 从 1.4301, DIN1.4306, 从 1.4401, 从 1.4404 |
| 复式 & Super Duplex Steel Buttweld Lap Joint Stub End | 美国材料试验协会 815, 美国机械工程师学会 815 UNS 编号 S31803, S32205. 美国S32750, S32950. 材料编号. 1.4462 |
| Carbon Steel Buttweld Lap Joint Stub End | ASTM A234, ASME SA234 WPB , 工作带宽, 世界物理研究所 42, 世界物理研究所 46, 世界物理研究所 52, WPH 60, 世界物理研究所 65 & 世界物理研究所 70. |
| Low Temperature Carbon Steel Buttweld Lap Joint Stub End | ASTM A420 WPL3, A420 WPL6 |
| Alloy Steel Buttweld Lap Joint Stub End | 美国材料试验协会 / ASME有限公司 234 组. 湿性粉剂 1, 湿性粉剂 5, 湿性粉剂 9, 湿性粉剂 11, 湿性粉剂 12, 湿性粉剂 22, 湿性粉剂 91 |
| Nickel Alloy Buttweld Lap Joint Stub End | ASTM B336, 美国机械工程师协会SB336, 镍 200 (联合国编号. 2200号), 镍 201 (联合国编号. N02201), 蒙乃尔合金 400 (联合国编号. N04400), 蒙乃尔合金 500 (联合国编号. N05500), 铬镍铁合金 800 (联合国编号. N08800), 铬镍铁合金 825 (联合国编号. N08825), 铬镍铁合金 600 (联合国编号. N06600), 铬镍铁合金 625 (联合国编号. N06625), 铬镍铁合金 601 (联合国编号. N06601), 哈氏合金C 276 (联合国编号. N10276), 合金 20 (联合国编号. N08020), 钛 (一级 & 二), 铜镍合金 70/30, 铜镍10铁1锰, 铜镍30锰1铁. |
Buttweld Lap Joint Stub End Manufacturing Standards
| ASME标准 | ASME/ANSI B16.9, ASME/ANSI B16.28, MSS-SP-43 |
| DIN标准 | DIN28011, DIN2617, DIN2616, DIN2615, DIN2605 |
| 标准 | EN10253-2, EN10253-1 |
| ASME B16.25 | 对焊端头 |
| ASME B16.9 | 工厂制造的锻制管件对焊 |
| ASME B16.28 | Wrought Steel Eccentric Reducer |
| ASTM A403 – ASME SA403 | Standard Specification for Wrought Austenitic Stainless Steel Piping Fitting |
| MSS SP-43 | 锻 & 低压装配式对焊管件, 耐腐蚀应用 |
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 | 外径 | 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) | ||||||||
| 毫米 | 英寸 | 毫米 | 英寸 | 毫米 | 英寸 | 毫米 | 英寸 | 毫米 | 英寸 | 毫米 | 英寸 | |
| 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, as outlined in ASME B36.19. The scale and dimensional tolerances outlined in MSS SP-43 area unit considerably a similar as those in ASME B16.9 specifications from NPS 1/2 — NPS twenty-four. Except with relation to the skin diameter at the bevel.
| Lap Joint Stub Ends | ||
| 外径. of Lap G | Fillet Radius of Lap – R | Overall Length. – 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
| 核动力源
英寸 |
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, 密度 8 kg/dm3 | ||||
End welding bevels of Stub Ends
Stainless Steel Lap Joint Stub End Beveled Drawing
| NOMINAL PIPE SIZE (Inches) | 注意 | 从 | THICKNESS | SCH 10 | SCH 20 | SCH 30 | SCH 40 | SCH 80 |
| 1/2 | 15注意 | 21.30 | 1.65 | 2.11 | __ | 2.41 | 2.77 | 3.73 |
| 3/4 | 20注意 | 26.70 | 1.65 | 2.11 | __ | 2.41 | 2.87 | 3.91 |
| 1 | 25注意 | 33.40 | 1.65 | 2.77 | __ | 2.90 | 3.38 | 4.55 |
| 1 1/4 | 32注意 | 42.20 | 1.65 | 2.77 | __ | 2.97 | 3.56 | 4.85 |
| 1 1/2 | 40注意 | 48.30 | 1.65 | 2.77 | __ | 3.18 | 3.68 | 5.08 |
| 2 | 50注意 | 60.30 | 1.65 | 2.77 | __ | 3.18 | 3.91 | 5.54 |
| 2 1/2 | 65注意 | 73.00 | 2.11 | 3.05 | __ | 4.78 | 5.16 | 7.01 |
| 3 | 80注意 | 88.90 | 2.11 | 3.05 | __ | 4.78 | 5.49 | 7.62 |
| 3 1/2 | 90注意 | 101.60 | 2.11 | 3.05 | __ | 4.78 | 5.74 | 8.08 |
| 4 | 100注意 | 114.30 | 2.11 | 3.05 | __ | 4.78 | 6.02 | 8.56 |
| 5 | 125注意 | 141.30 | 2.77 | 3.40 | __ | __ | 6.55 | 9.53 |
| 6 | 150注意 | 168.30 | 2.77 | 3.40 | __ | __ | 7.11 | 10.97 |
| 8 | 200注意 | 219.10 | 2.77 | 3.76 | 6.35 | 7.04 | 8.18 | 12.70 |
| 10 | 250注意 | 273.00 | 3.40 | 4.19 | 6.35 | 7.80 | 9.27 | 15.09 |
| 12 | 300注意 | 323.80 | 3.96 | 4.57 | 6.35 | 8.38 | 10.31 | 17.48 |
| 14 | 350注意 | 355.60 | 3.96 | 6.35 | 7.92 | 9.53 | 11.13 | 19.05 |
| 16 | 400注意 | 406.40 | 4.19 | 6.35 | 7.92 | 9.53 | 12.7 | 21.44 |
| 18 | 450注意 | 457.00 | 4.19 | 6.35 | 7.92 | 11.13 | 14.27 | 23.83 |
| 20 | 500注意 | 508.00 | 4.78 | 6.35 | 9.53 | 12.70 | 15.09 | 26.19 |
| 22 | 550注意 | 559.00 | 4.78 | 6.35 | 9.53 | 12.70 | __ | 28.58 |
| 24 | 600注意 | 610.00 | 5.54 | 6.35 | 9.53 | 14.27 | 17.48 | 30.96 |
SS Lap Joint Stub End Angularity Tolerance
| ND | 最大偏角 | 最大离机距离 |
| 问 | 磷 | |
| 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. 此外, 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 & 纸浆工业
- 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
