Pipe Fittings SScm415 Chromoly Stub End

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Pipe Fittings SScm415 Chromoly Stub End Stainless Steel Stub End Pipe Fittings are buttweld fittings that can be used in combination with a lap joint flange. Alternatively the ASME B 16.9 Stub End can be used with welding neck flanges to make flanged connections. The use of Lap Joint Stub End has two advantages. One , the ANSI B 16.9 Stub End can reduce the total cost of flanged joints when used in a piping system in high material grades. This is because the lap joint flange does not need to be of the same material of the pipe while the Stub Ends B16.9 but could be a lower grade. And two , the Long Stub End speeds up the installation process. Since a lap joint flange can be rotated to smoothen the alignment of the bolt holes. Stub End Din 2642 fittings are available in short and long pattern i.e. - ASA and MSS ASME B16.9 Stub End .

asme-b-16-9-stub-end
Pipe Fittings SScm415 Chromoly Stub End

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ANSI / ASME B16.9 Stub End

Stub End Buttweld Fittings are available in three different types. These ASME B16.9 Stub End can be labelled as - Stub End Type A , Mss Type B Stub End and Type C : The first type is the Stub End Sch 10 Type A fitting. This type A Stub Ends Specification has been manufactured and machined to match standard lap joint backing flange. This is because both the lap joint backing flange as well as the type A Stub End Jis 10k have to be used in combination. The mating surfaces of the Stub End Type A have an identical profile, which permits the smooth loading of the flare face Type B Stub Ends Stainless Steel are to be used with standard slip-on flanges. Stub End Carbon Steel in Type C could be used either way – i.e. - with lap joint or with slip-on flanges. These type C EN 1092-1 Stub End are manufactured from pipes. Ss Stub End Dimensions could be ordered with different finished ends such as Bevelled Ends, Grooved Ends, Squared Ends , Flanged Ends as well as Threaded Ends which are meant for Male fittings Only.

What is ASME B16.9 Stub End?

The Stub End EN 1092-1 Type 35, is essentially a piece of pipe, with one end flared outwards whereas the other end has to be prepared to be welded to a pipe which will be the same bore size or NPS i.e - nominal pipe size, material as well as wall thickness. The most extensively used fabrication tool for Type B Stub End Dimensions is the flaring machine. This machine is able to flare the end of the pipe of the Stub End EN 1092-1 Type 36 and then cuts it to length.

Stub End Specification

Specifications ASME B16.9 Stub End
Carbon Steel Stub Ends Fittings size Seamless Butt Weld Fittings: 1/2" - 10"
Welded Butt Weld Fittings: 1/2" - 48"
Stub EndDimensions ASME/ANSI B16.9, ASME B16.28, MSS-SP-43, BS4504, BS4504, BS1560, BS10
Stub End Type A Thickness SCH10, SCH20, SCH30, STD SCH40, SCH60, XS, SCH 80, SCH 100, SCH 120, SCH 140, SCH 160, XXS available with NACE MR 01-75
Stub End Mss Sp 43 Types Seamless / ERW / Welded / Fabricated Pipe Fittings
Stainless Steel Stub End Pipe Fittings Type DN15-DN1200
Connection For Long Stub Ends Welding
Short Stub End Bending Radius R=1D, 2D, 3D, 5D, 6D, 8D, 10D or Custom Pipe Fittings
Lap Joint Stub End Size Range ½" NB to 24" NB in Sch 10s, 40s, 80s, 160s, XXS. (DN6~DN100)
Stub End Type A Fittings Angle : 22.5 deg, 30deg, 45 deg, 90 deg, 180 deg, 1.0D, 1.5D, 2.0D, 2.5D, 3D, 4D, 5D, 6D, 7D-40D.
Standard: ASME B16.9, ASME B16.28, ASME B16.25, MSS SP-75 DIN2605 JISB2311 JISB2312 JISB2313, BS, GB, ISO
Manufacturing process for Stub End B16.9 Push, Press, Forge, Cast, etc.
Stub End Buttweld Fittings Test Certificates EN 10204/3.1B
Raw Materials Certificate
100% Radiography Test Report
Third Party Inspection Report, etc
Origin & Mills for Mss Type B Stub End Stubs End Mss Sp 43 for Japanese, Long Stubs End for Indian, Short Stubs End for USA, Lap Joint Stubs End for Korean, Stubs End B16.9 for European, Stubs End Buttweld Fittings for Ukraine, Stubs End Din 2642 for Russian
Key markets and industries for ASME B 16.9 Stub End
  • Bitumen upgraders.
  • Heavy oil refineries.
  • Nuclear power (mostly seamless).
  • Petrochemicals and acids.
ANSI B 16.9 Stub End Application
  • Fittings To Connect Pipe & Tubes in Petroleum, Power, Chemical, Construction, Gas, Metallurgy, Shipbuilding etc
  • ASME B16.9 Schedule 10 Stub Ends are an economical alternative for lower-pressure applications.
  • ANSI B16.9 Schedule 40 Stub Ends have a thicker wall for higher-pressure applications.
Material Test Certificates (MTC) as per EN 10204 3.1 and EN 10204 3.2, Test Certificates certifying NACE MR0103, NACE MR0175

ASME B16.9 Stub End Types

stub-end
ASME B16.9 Stub End SCH 10 ANSI B16.9, 6 Inch, SCH 10S, Stainless Steel 316 Stub Ends
stub-end-1
Long Stub End SCH 40 SCH 10S, MSS SP-43, ASTM A403 TP904L Stub End, 3 Inch
stub-end-3.jpg
ASME B16.9 Lap Joint Stub End A403 WP304 Stub End, BW, SCH 40S, Beveled End, 6 Inch
stub-end-6
Buttweld Stub End Fittings A403 WP304L, 2-1/2 Inch, Stainless Steel Stub End, SCH 40S
stub-end-4
ANSI B16.9 Stub End Type A Steel Stub End Pipe Fittings
stub-end-5
Mss Type B Stub End 1 1/2 Inch, SCH 10S, ASTM A403 WP316 Stub End, RF
stub-end-2
Short Stub End Sch 80 2 IN, ANSI B16.9, 140mm, Stainles Steel Stub End
stub-end-7
Stub End Din 2642 SS 304 Stub Ends, ANSI B16.9, 6 Inch, SCH 10S
stub-end-8
Carbon Steel Stub End Fittings
stub-end-9
Stainless Steel Stub End Pipe Fittings
stub-end-10
A403 Gr WP304 Stub End EN 1092-1 Type 35
stub-end-11
A234 Gr WPB Stub End EN 1092-1 Type 36

ASME B16.9 Stub End Dimensions

asme-b-16-9-stub-end-dimensions
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

ASME B16.9 Stub End 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 t

Lap Joint Stub End Dimensions

lap-joint-stub-end-dimensions
Nominal   Pipe  Size (NPS) Outside Diameter at Bevel Long Pattern Short Pattern Radius of Fillet Diameter of Lap
Max Min F F R G
1/2 22.8 20.5 76 51 3 35
3/4 28.1 25.9 76 51 3 43
1 35.0 32.6 102 51 3 51
1-1/4 43.6 41.4 102 51 5 64
1-1/2 49.9 47.5 102 51 6 73
2 62.4 59.5 152 64 8 92
2-1/2 75.3 72.2 152 64 8 105
3 91.3 88.1 152 64 10 127
3-1/2 104.0 100.8 152 76 10 140
4 116.7 113.5 152 76 11 157
5 144.3 140.5 203 76 11 186
6 171.3 167.5 203 89 13 216
8 222.1 218.3 203 102 13 270
10 277.2 272.3 254 127 13 324
12 328.0 323.1 254 152 13 381
14 359.5 354.8 305 152 13 413
16 411.0 405.6 305 152 13 470
18 462 456 305 152 13 533
20 514 507 305 152 13 584
22 565 558 305 152 13 641
24 616 609 305 152 13 692

A Carbon Steel Stub End Fittings and a lap joint flange can be used together as an alternative way to make a flanged connection as opposed to welding neck flanges. The two devices that are to be combined, in this case, are:

Long Stub End Dimensions

asme-b-16-5-long-stub-end-dimensions
Product Nom. Pipe Size Dia (G) Length (F), Short Outside Dia (O.D.) Sch 160, Inside Dia (I.D.) Sch 160, Lap Thickness (t) Schedule 160, Wall Thickness (T) XX Strong Wall Approx. Weight XX Strong Wall, Inside Dia (I.D.)
1 1/2″ Stubs Ends Long Type “A 1.5 2.875 2 1.9 1.338 0.281 0.281 2.98 1.1
1 1/2″ Stubs Ends Long Type “A” 1.5 2.875 4 1.9 0.15 0.15 1.49 1.5 0.2
1 1/4″ Stubs Ends Long Type “A 1.25 2.5 2 1.66 1.16 0.25 0.25 2.52 0.896
1 1/4″ Stubs Ends Long Types “A” 1.25 2.5 4 1.66 0.14 0.14 1.26 1.278 0.191
1″ Stubs Ends Long Types “A 1 2 2 1.315 0.815 0.25 0.25 1.76 0.599
1″ Stubs Ends Long Types “A” 1 2 4 1.315 0.133 0.133 0.88 0.957 0.179
1/2″ Stubs Ends Long Types “A 0.5 1.375 2 0.84 0.464 0.187 0.188 0.68 0.252
1/2″ Stubs Ends Long Types “A” 0.5 1.375 3 0.84 0.109 0.109 0.34 0.546 0.147
10″ Stubs Ends Long Types “A 10 12.75 5 10.75 8.5 1.125 1.125 – –
10″ Stubs Ends Long Types “A” 10 12.75 10 10.75 0.365 0.365 54 9.75 0.5
12″ Stubs Ends Long Types “A 12 15 6 12.75 10.126 1.312 1.312 – –
12″ Stubs Ends Long Types “A” 12 15 10 12.75 0.375 0.375 64.5 11.75 0.5
14″ Stubs Ends Long Types “A” 14 16.25 12 14 0.375 0.375 84 13 0.5
16″ Stubs Ends Long Types “A” 16 18.5 12 16 0.375 0.375 98 15 0.5
18″ Stubs Ends Long Types “A” 18 21 12 18 0.375 0.375 136 17 0.5
2 1/2″ Stubs Ends Long Types “A 2.5 4.125 2.5 2.875 2.125 0.375 0.375 8.8 1.771
2 1/2″ Stubs Ends Long Types “A” 2.5 4.125 6 2.875 0.203 0.203 4.4 2.323 0.276
2″ Stubs Ends Long Types “A 2 3.625 2.5 2.375 1.689 0.343 0.343 6.1 1.503
2″ Stubs Ends Long Types “A” 2 3.625 6 2.375 0.154 0.154 3.05 1.939 0.218
20″ Stubs Ends Long Types “A” 20 23 12 20 0.375 0.375 157 19 0.5
3 1/2″ Stubs Ends Long Types “A 3.5 5.5 3 4 – – – 15.5 2.728
3 1/2″ Stubs Ends Long Types “A” 3.5 5.5 6 4 0.226 0.226 7.75 3.364 0.318
3″ Stubs Ends Long Types “A 3 5 2.5 3.5 2.624 0.438 0.438 9.8 2.3
3″ Stubs Ends Long Types “A” 3 5 6 3.5 0.216 0.216 6.5 2.9 0.3
3/4″ Stubs Ends Long Types “A 0.75 1.688 2 1.05 0.612 0.218 0.219 0.94 0.434
3/4″ Stubs Ends Long Types “A” 0.75 1.688 3 1.05 0.113 0.113 0.47 0.742 0.154
4″ Stubs Ends Long Types “A 4 6.188 3 4.5 3.438 0.531 0.531 19.3 3.152
4″ Stubs Ends Long Types “A” 4 6.188 6 4.5 0.237 0.237 9.65 3.826 0.337
5″ Stubs Ends Long Types “A 5 7.313 3 5.563 4.313 0.625 0.625 32.66 4.063
5″ Stubs Ends Long Types “A” 5 7.313 8 5.563 0.258 0.258 16.33 4.813 0.375
6″ Stubs Ends Long Types “A 6 8.5 3.5 6.625 5.187 0.718 0.719 45.26 4.897
6″ Stubs Ends Long Types “A” 6 8.5 8 6.625 0.28 0.28 22.63 5.761 0.432
8″ Stubs Ends Long Types “A 8 10.625 4 8.625 6.813 0.906 0.906 59.71 6.875
8″ Stubs Ends Long Types “A” 8 10.625 8 8.625 0.322 0.322 34.12 7.625 0.5

Short Stub End Dimensions

asme-b-16-9-short-stub-end-dimensions
Product Nom. Pipe Size Diameter (G) Length (J) Outside Diameter (O.D.) Schedule 5S Approx. Weight Schedule 5S, Inside Diameter (I.D.) Schedule 5S, Wall Thickness (T)
1 1/2″ Short Stubs Ends Short Type “C” 1.5 2.875 2 1.9 0.29 1.77 0.065
1 1/4″ Short Stubs Ends Short Type “C” 1.25 2.5 2 1.66 0.21 1.53 0.065
1″ Short Stubs Ends Short Type “C” 1 2 2 1.315 0.19 1.185 0.065
1/2″ Short Stubs Ends Short Type “C” 0.5 1.375 2 0.84 0.13 0.71 0.065
10″ Short Stubs Ends Short Type “C” 10 12.75 5 10.75 7.48 10.482 0.134
12″ Short Stubs Ends Short Type “C” 12 15 6 12.75 15 12.438 0.156
14″ Short Stubs Ends Short Type “C” 14 16.25 6 14 19.2 13.688 0.156
16″ Short Stubs Ends Short Type “C” 16 18.5 6 16 23.9 15.67 0.165
18″ Short Stubs Ends Short Type “C” 18 21 6 18 28.5 17.67 0.165
2 1/2″ Short Stubs Ends Short Type “C” 2.5 4.125 2.5 2.875 0.75 2.709 0.083
2″ Short Stubs Ends Short Type “C” 2 3.625 2.5 2.375 0.44 2.245 0.065
20″ Short Stubs Ends Short Type “C” 20 23 6 20 36.3 19.624 0.188
24″ Short Stubs Ends Short Type “C” 24 27.25 6 24 56 23.564 0.218
3″ Short Stubs Ends Short Type “C” 3 5 2.5 3.5 0.94 3.334 0.083
3/4″ Short Stubs Ends Short Type “C” 0.75 1.688 2 1.05 0.14 0.92 0.065
4″ Short Stubs Ends Short Type “C” 4 6.188 3 4.5 1.38 4.334 0.083
5″ Short Stubs Ends Short Type “C” 5 7.313 3 5.563 2.06 5.345 0.109
6″ Short Stubs Ends Short Type “C” 6 8.5 3.5 6.625 2.75 6.407 0.109
8″ Short Stubs Ends Short Type “C” 8 10.625 4 8.625 3.88 8.407 0.109

ASME B16.9 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

end_welding_bevels
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

ASME B16.9 Short Stub Ends Length

asme-b16-9-short-stub-ends-length
Facing: 125-250 RMS (smooth finish)

welded version = w 
= s seamless execution

Nominal Schedule D t G F R. Max. kg / St.  
1/2 “ 10s 21.3 2.11 34.9 50.8 3.18 0.07 s
  40s   2.77       0.09 s
3/4 “ 10s 26.7 2.11 42.9 50.8 3.18 0.10 s
  40s   2.87       0.12 s
1 “ 10s 33.4 2.77 50.8 50.8 3.18 0.16 s / w
  40s   3.38       0.17 s
1 1/4 “ 10s 42.2 2.77 63.5 50.8 4.76 0.22 s
  40s   3.56       0.25 s
1 1/2 “ 10s 48.3 2.77 73.0 50.8 6.35 0.25 s / w
  40s   3.68       0.31 s
2 “ 10s 60.3 2.77 92.1 63.5 7.94 0.43 s / w
  40s   3.91       0.61 s
2 1/2 “ 10s 73.0 3.05 104.8 63.5 7.94 0.57 s / w
  40s   5.16       0.80 s
3 “ 10s 88.9 3.05 127.0 63.5 9.53 0.73 s / w
  40s   5.49       1.13 s
4 “ 10s 114.3 3.05 157.2 76.2 11.11 1.09 s / w
  40s   6.02       1.87 s
5 “ 10s 141.3 3.40 185.7 76.2 11.11 1.47 s / w
  40s   6.55       2.28 s
6 “ 10s 168.3 3.40 215.9 88.9 12.70 2.15 s / w
  40s   7.11       3.57 s / w
8 “ 10s 219.1 3.76 269.9 101.6 12.70 3.22 s / w
  40s   8.18       6.07 s / w
10 “ 10s 273.1 4.19 323.9 127.0 12.70 5.13 w
  40s   9.27       10.07 w
12 “ 10s 323.9 4.57 381.0 152.4 12.70 8.16 w
  40s   9.53       14.29 w
14 “ 10s 355.6 4.78 412.8 152.4 12.70 10.89 w
  40s   9.53       17.15 w
16 “ 10s 406.4 4.78 469.9 152.4 12.70 12.70 w
  40s   9.53       20.41 w
18 “ 10s 457.2 4.78 533.4 152.4 12.70 17.24 w
20 “ 10s 508.0 5.54 584.2 152.4 12.70 21.77 w
24 “ 10s 609.6 6.35 692.2 152.4 12.70 27.22 w

Dimensional Tolerances of Carbon Steel Stub End Fittings

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        
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