Flanges

BUTTWELD FITTINGS

90° 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  90° - SR  ASME B16.9

NPSO.D.
D
Center-to-End
A
133.425
42.232
48.338
260.351
7364
388.976
101.689
NPSO.D.
D
Center-to-End
A
NPSO.D.
D
Center-to-End
A
4114.3102
5141.3127
6168.3152
8219.1203
10273254
12323.8305
14355.6356
16406.4406
18457457
20508508
22559559
24610610
NPSO.D.
D
Center-to-End
A

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

Dimensional Tolerances of Butt Weld Elbows Short Radius 90° ASME B16.9

Nominal Pipe Size1/2 to 2½3 to 3½45 to 810 to 1820 to 2426 to 3032 to 48
Outside Diameter
at Bevel (D)
+ 1.6
- 0.8
1.61.6+ 2.4
- 1.6
+ 4
- 3.2
+ 6.4
- 4.8
+ 6.4
- 4.8
+ 6.4
- 4.8
Inside Diameter at End0.81.61.61.63.24.8+ 6.4
- 4.8
+ 6.4
- 4.8
Center-to-End (A)22222235
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.

Note:

  • MSS SP-43 only covers stainless steel buttweld fittings made for use with Schedule 5S and 10S pipe and Stub Ends suitable for use with Schedule 40S pipes.
  • The dimensions and dimensional tolerances defined in MSS SP-43 are substantially the same as those in ASME B16.9 specifications from NPS 1/2 - NPS 24. Except with regard to the outside diameter at the bevel.

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 - Weights

WEIGHTS OF FITTINGS
NPS
inches
ELBOWS
LR 90°
ELBOWS
SR 90°
Sch.
5S
Sch.
10S
Sch.
40S
Sch.
80S
Sch.
5S
Sch.
10S
Sch.
40S
Sch.
80S
1/20.050.060.080.10 0.03 0.04 0.05 0.07
3/40.060.070.090.110.04 0.05 0.06 0.07
10.090.150.180.200.06 0.10 0.12 0.13
1 1/40.130.200.250.350.09 0.13 0.17 0.12
1 1/20.180.300.400.500.12 0.20 0.27 0.33
20.300.500.700.900.20 0.33 0.47 0.60
2 1/20.600.851.35 1.800.40 0.60 0.90 1.20
30.901.302.00 2.90 0.60 0.90 1.35 1.90
41.402.004.00 5.90 0.90 1.35 2.65 3.90
52.903.606.509.701.95 2.40 4.35 6.50
64.005.0010.5 16.0 2.70 3.35 7.00 10.5
87.4010.021.5 33.54.90 6.70 14.5 22.5
1013.616.838.5 52.59.10 11.2 25.6 35.0
1223.427.059.0 79.015.6 18.0 39.5 53.0
1429.035.070.0 94.019.3 23.5 47.0 63.0
1641.347.095.0 12527.5 31.5 63.5 84.0
1851.859.012015834.5 39.5 80.0 105
2073.085.014619449.0 57.0 98.0 129
2412214021028282.0 94.0 140 188
Approximate weights in kg, density 8 kg/dm3

 

ELBOWS - End welding bevels