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"20.522.87651335
3/4"25.928.17651343
1"32.635.010251351
1 1/4"41.443.610251564
1 1/2"47.549.910251674
2"59.562.415264892
2 1/2"72.275.3152648105
3"88.191.31526410127
3 1/2"100.8104.01527610140
4"113.5116.71527611157
5"140.5144.32037611186
6"167.5171.32038913216
8"218.3222.120310213270
10"272.3277.225412713324
12"323.1328.025415213381
14"354.8359.930515213413
16"405.6411.030515213470
18"456.0462.030515213533
20"507.0514.030515213584
22"558.0565.030515213641
24"609.0616.030515213692

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

inchesNDmmDiameter of lap

Radius of fillet

Length F

 D

GRR1MSS SP43ANSI B16.9
1/21521,3434,923,170,8050,8076,20
3/42026,6742,863,170,8050,8076,20
12533,4050,803,170,8050,80101,60
1 1/43242,1663,504,760,8050,80101,60
1 1/24048,2673,006,350,8050,80101,60
25060,3292,107,930,8063,50152,40
2 1/26573,02104,807,930,8063,50152,40
38088,90127,009,520,8063,50152,40
3 1/290101,60139,709,520,8076,20152,40
4100114,30157,2011,110,8076,20152,40
5125141,30185,7011,111,5876,20203,20
6150168,27215,9012,701,5888,90203,20
8200219,07269,8012,701,58101,60203,20
10250273,05323,8012,701,58127,00254,00
12300323,85381,0012,701,58152,40254,00
14350355,60412,7012,701,58152,40304,80
16400406,40469,9012,701,58152,40304,80
18450457,20533,4012,701,58152,40304,80
20500508,00584,2012,701,58152,40304,80
22550558,80641,3012,701,58152,40304,80
24600609,60692,1012,701,58152,40304,80
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 fittingsStub Ends
Nominal Pipe Size (NPS)Outside Ø at BevelIndide Ø at EndWall Thickness
t / t1
O.D. of Lap GFillet Radius of Lap - ROverall Length. - F
1/2 a 2 1/210,8Not+0 -1+0 -12
3 a 3 1/211,6less+0 -1+0 -12
4+2 -11,6than+0 -1+0 -22
5 a 6+3 -11,687,50%+0 -1+0 -22
821,6of nominal+0 -1+0 -22
10+4 -33,2tickness+0 -2+0 -22
12 to 18+4 -33,2 +0 -2+0 -23
20 a 24+6 -54,8 +0 -2+0 -23
26 a 30+7 -54,8    
32 a 48+7 -54,8    


STUB ENDS - Weights

NPS
inches
STUB ENDS
Sch.
5S
Sch.
10S
Sch.
40S
Sch.
80S
1/20.060.080.120.13
3/40.070.090.150.17
10.090.150.200.25
1 1/40.130.200.300.35
1 1/20.160.250.380.46
20.250.400.550.75
2 1/20.350.500.801.00
30.500.601.101.50
40.701.001.802.50
51.001.252.503.50
61.601.953.705.50
82.503.105.9010.0
104.004.9010.514.0
126.607.1015.020.0
146.407.8015.520.5
167.909.0018.024.0
189.3010.521.028.0
2012.013.523.531.0
2416.519.028.538.0
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
1/215NB21.301.652.11__2.412.773.73
3/420NB26.701.652.11__2.412.873.91
125NB33.401.652.77__2.903.384.55
1 1/432NB42.201.652.77__2.973.564.85
1 1/240NB48.301.652.77__3.183.685.08
250NB60.301.652.77__3.183.915.54
2 1/265NB73.002.113.05__4.785.167.01
380NB88.902.113.05__4.785.497.62
3 1/290NB101.602.113.05__4.785.748.08
4100NB114.302.113.05__4.786.028.56
5125NB141.302.773.40____6.559.53
6150NB168.302.773.40____7.1110.97
8200NB219.102.773.766.357.048.1812.70
10250NB273.003.404.196.357.809.2715.09
12300NB323.803.964.576.358.3810.3117.48
14350NB355.603.966.357.929.5311.1319.05
16400NB406.404.196.357.929.5312.721.44
18450NB457.004.196.357.9211.1314.2723.83
20500NB508.004.786.359.5312.7015.0926.19
22550NB559.004.786.359.5312.70__28.58
24600NB610.005.546.359.5314.2717.4830.96

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 "10s21.32.1134.950.83.180.07s
40s2.770.09s
3/4 "10s26.72.1142.950.83.180.10s
40s2.870.12s
1 "10s33.42.7750.850.83.180.16s / w
40s3.380.17s
1 1/4 "10s42.22.7763.550.84.760.22s
40s3.560.25s
1 1/2 "10s48.32.7773.050.86.350.25s / w
40s3.680.31s
2 "10s60.32.7792.163.57.940.43s / w
40s3.910.61s
2 1/2 "10s73.03.05104.863.57.940.57s / w
40s5.160.80s
3 "10s88.93.05127.063.59.530.73s / w
40s5.491.13s
4 "10s114.33.05157.276.211.111.09s / w
40s6.021.87s
5 "10s141.33.40185.776.211.111.47s / w
40s6.552.28s
6 "10s168.33.40215.988.912.702.15s / w
40s7.113.57s / w
8 "10s219.13.76269.9101.612.703.22s / w
40s8.186.07s / w
10 "10s273.14.19323.9127.012.705.13w
40s9.2710.07w
12 "10s323.94.57381.0152.412.708.16w
40s9.5314.29w
14 "10s355.64.78412.8152.412.7010.89w
40s9.5317.15w
16 "10s406.44.78469.9152.412.7012.70w
40s9.5320.41w
18 "10s457.24.78533.4152.412.7017.24w
20 "10s508.05.54584.2152.412.7021.77w
24 "10s609.66.35692.2152.412.7027.22w