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ANSI/ASME B16.9 Butt Weld Collar

 

ASME B16.9 Butt Weld Collar Specification

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

ASME B16.9 Butt Weld Collar Dimensions

COLLARS DIMENSION

COLLARS for ANSI 150 flanges

inches

ND

mm Diameter
of lap
Height Radius of
fillet
D G h R
1/2 15 21,34 34,92 5 3
3/4 20 26,67 42,86 6 3
1 25 33,40 50,80 8 3
1 1/4 32 42,16 63,50 8 5
1 1/2 40 48,26 73,00 10 6
2 50 60,32 92,10 10 8
2 1/2 65 73,02 104,80 12 8
3 80 88,90 127,00 12 9
3 1/2    90 101,60 139,70 12 9
4 100 114,30 157,20 14 11
5 125 141,30 185,70 16 11
6 150 168,27 215,90 16 12
8 200 219,07 269,80 18 12
10 250 273,05 323,80 20 12
12 300 323,85 381,00 20 12
14 350 355,60 412,70 25 12
16 400 406,40 469,90 25 12
18 450 457,20 533,40 25 12
20 500 508,00 584,20 25 12
22 550 558,80 641,30 25 12
24 600 609,60 692,10 25 12

Dimension in mm.

The values of radius "R" and height "h" are indicative

Collars – Ansi 16.9 Tolerances

DIMENSIONAL TOLERANCES – BORDI D’APPOGGIO
For all fittings
Nominal Pipe Size (NPS) Outside Ø
at Bevel
Indide Ø
at End
Wall Thickness
t / t1
O.D. of
Lap G
1/2 a 2 1/2 1 0,8 Not +0 -1
3 a 3 1/2 1 1,6 less +0 -1
4 +2 -1 1,6 than +0 -1
5 a 6 +3 -1 1,6 87,50% +0 -1
8 2 1,6 of nominal +0 -1
10 +4 -3 3,2 tickness +0 -2
12 a 18 +4 -3 3,2   +0 -2
20 a 24 +6 -5 4,8   +0 -2
26 a 30 +7 -5 4,8    
32 a 48 +7 -5 4,8    
         

ASME B16.9 Collars Weights

WEIGHTS OF FITTINGS
NPS
inches
COLLARS
Sch.
5S
Sch.
10S
Sch.
40S
Sch.
80S
1/2 0.01 0.02 0.03 0.04
3/4 0.03 0.03 0.04 0.06
1 0.04 0.07 0.08 0.11
1 1/4 0.05 0.08 0.11 0.15
1 1/2 0.06 0.11 0.15 0.20
2 0.08 0.14 0.20 0.28
2 1/2 0.15 0.22 0.37 0.50
3 0.19 0.27 0.50 0.70
4 0.25 0.35 0.70 1.00
5 0.50 0.65 1.25 1.80
6 0.65 0.80 1.70 2.60
8 0.95 1.30 2.80 4.30
10 1.50 1.80 4.00 5.50
12 2.00 2.40 5.00 6.60
14 2.50 2.95 5.90 7.90
16 3.60 4.00 8.10 10.8
18 4.00 4.60 9.20 12.3
20 5.10 6.00 10.2 13.7
24 8.15 9.30 14.0 18.6
Approximate weights in kg, density 8 kg/dm3