Flanges

BUTTWELD FITTINGS

STUD ENDS

We are globally well renowned as the Best Quality Buttweld Fittings manufacturer in India. We cater an ample assortment of Buttweld Fittings which is incorporated using high technology machines. Our Buttweld Fittings are demanded by all due to their less maintenance, high tensile strength and excellent finish. High reliability and durability are the salient features of our Buttweld Fittings. We stand in the midst of predominant Buttweld Fittings suppliers in India. We deliver our Buttweld Fittings at very competitive prices and within the specified time.

Standards: 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'
Variations: Welded & Seamless
MSS-A; MSS-B; MSS-C
Short type & Long type
Dimensions: Outside diameter : 1/2" à 24" (21,34 - 609,5 mm)

Thickness: SCH 5S, 10S, 40S (STD), 80S (XS), 160, XXS (1,65 - 59.51 mm)
Materials: Monel, Nickel, Inconel, Hastalloy, Titanium, Tantalum, Stainless Steel, Alloy Steel, Carbon Steel, Cupro-Nickel 90/10 & 70/30
Stainless Steel ASME / ASTM SA / A403 SA / A 774 WP-S, WP-W, WP-WX, 304, 304L, 316, 316L, 304/304L,  316/316L, DIN 1.4301, DIN1.4306, DIN 1.4401, DIN 1.4404
Type: Butt Weld (BW)
Thickness: Schedule 5S, 10S, 20S, S10, S20, S30, STD, 40S, S40, S60, XS, 80S, S80, S100, S120, S140, S160, XXS and etc.
Dimension: ANSI B16.9, ANSI B16.28, MSS-SP-43 Type A, MSS-SP-43 Type B, JIS B2312, JIS B2313

 

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

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 t


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        


STUB ENDS - Weights

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

 

ELBOWS - 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

STUB ENDS SHORT LENGTH ASTM A403/A815 ASME B16.9

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