Flanges

BUTTWELD FITTINGS

LAP JOINT 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'
Schedule:Sch 5 TO Sch XXS.
Sizes:1/2” TO 36”
(SEAMLESS UPTO 24”)
(WELDED 8” TO 36” )
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

ASME B16.9

FACTORY-MADE WROUGHT BUTTWELDING FITTINGS

DIMENSIONS OF  LAP JOINT STUB ENDS

Nominal   Pipe  Size

 (NPS)

Outside Diameter at BevelLong PatternShort PatternRadius of FilletDiameter of Lap
MaxMinFFRG
1/222.820.57651335
3/428.125.97651343
135.032.610251351
1-1/443.641.410251564
1-1/249.947.510251673
262.459.515264892
2-1/275.372.2152648105
391.388.11526410127
3-1/2104.0100.81527610140
4116.7113.51527611157
5144.3140.52037611186
6171.3167.52038913216
8222.1218.320310213270
10277.2272.325412713324
12328.0323.125415213381
14359.5354.830515213413
16411.0405.630515213470
1846245630515213533
2051450730515213584
2256555830515213641
2461660930515213692

 

GENERAL NOTES: All Dimensions are in Millimeters.

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

 

STUD END - End welding bevels