Stub End
Neminox Steel & Engineering Co. are Manufacturer, Exporter and Supplier of Butt weld Stub End. Butt weld Stub End manufactured using superior grade raw materials. Butt weld Stub End are used for connecting pipes of different diameters and find wide applications in various chemicals, construction industries, paper, cement & ship builders.
| Type | : | Butt weld (BW) |
| Standards | : | ASME / ANSI - B 16.9 ASTM A403 - ASME SA403 - 'Standard Specification for Wrought Austenitic Stainless Steel Piping Fittings' API 590-605 ASME B16.9 - 'Factory-Made Wrought Buttwelding Fittings' ASME B16.25 - 'Buttwelding Ends' ASME B16.28 - 'Wrought Steel Buttwelding Short Radius Elbows and Returns' MSS SP-43 - 'Wrought and Fabricated Butt-Welding Fittings for Low Pressure, Corrosion Resistant Applications' |
| Dimension | : | ANSI B16.9, ANSI B16.28, MSS-SP-43 Type A, MSS-SP-43 Type B, JIS B2312, JIS B2313 |
| Thickness | : | Schedule 5S, 10S, 20S, S10, S20, S30, STD, 40S, S40, S60, XS, 80S, S80, S100, S120, S140, S160, XXS and etc. |
| Schedule | : | Sch 5 TO Sch XXS. |
| Size | : | 1/2” TO 36”, (Seamless up to 24”), (Welded 8” TO 36”) |
Materials and Grade:
Stainless Steel Butt weld Stub End:
ASTM A403 WP316/316L
ASTM A403 WP304/304L
ASTM A182 F316L, 304L
DIN 1.4301, DIN1.4306, DIN 1.4401, DIN 1.4404
ASTM A403 WP304/304L
ASTM A182 F316L, 304L
DIN 1.4301, DIN1.4306, DIN 1.4401, DIN 1.4404
Carbon Steel Butt weld Stub End:
ASTM A234 Gr. WPB
ASTM A420 Gr. WPL6
ASTM A105
ASTM A350 Gr. LF2
ASTM A420 Gr. WPL6
ASTM A105
ASTM A350 Gr. LF2
Nickel Alloy Butt weld Stub End:
Monel 400 & 500,
Inconel 600 & 625,
Incolloy 800, 825,
Hastelloy C22, C276,
Hastelloy,
Nickel,
Monel,
Inconel,
Alloy20,
Copper Nickel
Cupro-Nickel 90/10
Cupro-Nickel 70/30
Inconel 600 & 625,
Incolloy 800, 825,
Hastelloy C22, C276,
Hastelloy,
Nickel,
Monel,
Inconel,
Alloy20,
Copper Nickel
Cupro-Nickel 90/10
Cupro-Nickel 70/30
Alloy steel Butt weld Stub End:
ASTM a234 wp1 / wp5 / wp9 / wp11 / wp22 / wp91
ASME B16.9 Butt weld Stub End Dimension
| 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 |
The dimensions are in millimeters
Source : ASME B16.9 – 2007
STUB ENDS - Ansi and MSS SP-43 dimensions
| STUB ENDS - ANSI B 16.9 and MSS SP-43 dimension | |||||||
| inches | ND | mm | Diameter of lap | Radius of fillet | Length F | ||
| D | G | R | R1 | MSS SP43 | ANSI B16.9 | ||
| 1/2 | 15 | 21,34 | 34,92 | 3,17 | 0,80 | 50,80 | 76,20 |
| 3/4 | 20 | 26,67 | 42,86 | 3,17 | 0,80 | 50,80 | 76,20 |
| 1 | 25 | 33,40 | 50,80 | 3,17 | 0,80 | 50,80 | 101,60 |
| 1 1/4 | 32 | 42,16 | 63,50 | 4,76 | 0,80 | 50,80 | 101,60 |
| 1 1/2 | 40 | 48,26 | 73,00 | 6,35 | 0,80 | 50,80 | 101,60 |
| 2 | 50 | 60,32 | 92,10 | 7,93 | 0,80 | 63,50 | 152,40 |
| 2 1/2 | 65 | 73,02 | 104,80 | 7,93 | 0,80 | 63,50 | 152,40 |
| 3 | 80 | 88,90 | 127,00 | 9,52 | 0,80 | 63,50 | 152,40 |
| 3 1/2 | 90 | 101,60 | 139,70 | 9,52 | 0,80 | 76,20 | 152,40 |
| 4 | 100 | 114,30 | 157,20 | 11,11 | 0,80 | 76,20 | 152,40 |
| 5 | 125 | 141,30 | 185,70 | 11,11 | 1,58 | 76,20 | 203,20 |
| 6 | 150 | 168,27 | 215,90 | 12,70 | 1,58 | 88,90 | 203,20 |
| 8 | 200 | 219,07 | 269,80 | 12,70 | 1,58 | 101,60 | 203,20 |
| 10 | 250 | 273,05 | 323,80 | 12,70 | 1,58 | 127,00 | 254,00 |
| 12 | 300 | 323,85 | 381,00 | 12,70 | 1,58 | 152,40 | 254,00 |
| 14 | 350 | 355,60 | 412,70 | 12,70 | 1,58 | 152,40 | 304,80 |
| 16 | 400 | 406,40 | 469,90 | 12,70 | 1,58 | 152,40 | 304,80 |
| 18 | 450 | 457,20 | 533,40 | 12,70 | 1,58 | 152,40 | 304,80 |
| 20 | 500 | 508,00 | 584,20 | 12,70 | 1,58 | 152,40 | 304,80 |
| 22 | 550 | 558,80 | 641,30 | 12,70 | 1,58 | 152,40 | 304,80 |
| 24 | 600 | 609,60 | 692,10 | 12,70 | 1,58 | 152,40 | 304,80 |
| The lap thickness T shall not be less than nominal pipe wall thickness | |||||||
STUB ENDS - Ansi 16.9 tolerances
| DIMENSIONAL TOLERANCES - STUB ENDS | ||||||
| For all fittings | Stub Ends | |||||
| Nominal Pipe Size (NPS) | Outside Ø at Bevel | Indide Ø at End | Wall Thickness t / t1 |
O.D. of Lap G | Fillet Radius of Lap - R | Overall Length. - F |
| 1/2 a 2 1/2 | 1 | 0,8 | Not | +0 -1 | +0 -1 | 2 |
| 3 a 3 1/2 | 1 | 1,6 | less | +0 -1 | +0 -1 | 2 |
| 4 | +2 -1 | 1,6 | than | +0 -1 | +0 -2 | 2 |
| 5 a 6 | +3 -1 | 1,6 | 87,50% | +0 -1 | +0 -2 | 2 |
| 8 | 2 | 1,6 | of nominal | +0 -1 | +0 -2 | 2 |
| 10 | +4 -3 | 3,2 | tickness | +0 -2 | +0 -2 | 2 |
| 12 to 18 | +4 -3 | 3,2 | +0 -2 | +0 -2 | 3 | |
| 20 a 24 | +6 -5 | 4,8 | +0 -2 | +0 -2 | 3 | |
| 26 a 30 | +7 -5 | 4,8 | ||||
| 32 a 48 | +7 -5 | 4,8 | ||||
