Flanges

BUTTWELD FITTINGS

180° SHORT RADIUS ELBOW

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:Diameters - from 21,3 to 711 mm.
Wall Thickness - from 2 to 40 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

Dimensions Butt Weld Elbows 180° LR & SR ASME B16.9

NPSO.D.
D
180° Long Radius180° Short Radius
Center to
Center
O
Back to
Face
K
Center to
Center
O
Back to
Face
K
1/221.37648--
3/426.77651--
133.476565141
42.295706452
48.3114837662
260.315210610281
73190132127100
388.9229159152121
101.6267184178140
NPSO.D.
D
180° Long Radius180° Short Radius
Center to
Center
O
Back to
Face
K
Center to
Center
O
Back to
Face
K
NPSO.D.
D
180° Long Radius180° Short Radius
Center to
Center
O
Back to
Face
K
Center to
Center
O
Back to
Face
K
4114.3305210203159
5141.3381262254197
6168.3457313305237
8219.1610414406313
10273762518508391
12323.8914619610467
14355.61067711711533
16406.41219813813610
184571372914914686
20508152410161016762
22559167611181118838
24610182912191219914
NPSO.D.
D
180° Long Radius180° Short Radius
Center to
Center
O
Back to
Face
K
Center to
Center
O
Back to
Face
K

Dimensions are in millimeters unless otherwise indicated. Wall thickness (t) must be specified by customer.

Dimensional Tolerances of Butt Weld Elbows 180° LR and SR ASME B16.9

Nominal Pipe Size1/2 to 2½3 to 3½45 to 810 to 1820 to 24
Outside Diameter
at Bevel (D)
+ 1.6
- 0.8
1.61.6+ 2.4
- 1.6
+ 4
- 3.2
+ 6.4
- 4.8
Inside Diameter at End0.81.61.61.63.24.8
Center to Center (O)66661010
Back to Face (K)666666
Wall Thickness (t)Not less than 87.5% of Nominal Wall Thickness

Dimensional tolerances are in millimeters unless otherwise indicated and are equal ± except as noted.

ELBOWS - Ansi 16.9 tolerances

DIMENSIONAL TOLERANCES - ELBOWS
For all fittingsElbows 90/45 deg180° Returns
Nominal Pipe Size (NPS)Outside Ø
at Bevel
Inside Ø
at End
Wall Thickness
t / t1
Center to End Dim. A-B-C-MCenter to Center Dim.
O
Back to Face Dim.
K
Align- ment of Ends
U
1/2 a 2 1/210,8Not 2771
3 a 3 1/211,6less2771
4+2 -11,6than2771
5 a 6+3 -11,687,50%2771
821,6of nominal2771
10+4 -33,2tickness2772
12 a 18+4 -33,2 31072
20 a 24+6 -54,831072
26 a 30+7 -54,83...............
32 a 48+7 -54,8 5...............

Angularity Tolerances
NDMax off angleMax off plane
QP
1/2 a 412
5 a 824
10 a 1235
14 a 1637
18 a 24410
26 a 30510
32 a 42513
44 a 48520

 

ELBOWS - End welding bevels