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  • 45 Lateral & Elbow Branch
Pipe Size Pipe O.D. A B K E F G Corner Radius
1/2 21.3 38 15 48 25 76 35 3
3/4 26.7 29 11 43 25 76 43 3
1 33.4 38 22 56 28 102 51 3
1 1/4 42.2 48 25 70 38 102 64 5
1 1/2 48.3 57 29 83 38 152 73 6
2 60.3 76 35 106 38 152 92 8
2 1/2 73.1 95 44 132 38 152 105 8
3 88.9 114 51 159 51 152 127 10
4 114.3 152 64 210 64 203 157 11
5 141 190 79 262 76 203 186 11
6 168.3 229 95 313 89 203 216 13
8 219.3 305 127 414 102 254 270 13
10 273 381 159 518 127 254 324 13
12 324 457 190 619 152 305 381 13
14 356 533 222 711 165 305 413 13
16 406 610 254 813 178 305 470 13
18 457 686 266 914 203 305 533 13
20 506 762 318 1016 229 305 584 13
24 610 914 381 1219 267 305 692 13
28 711 1067 438   267      
36 914 1372 565   267      

Nom. Pipe Size Outlet C M H Nom. Pipe Size Outlet C M H Nom. Pipe Size Outlet C M H Nom. Pipe Size Outlet C M H
1/2   25 25 38 3 3 86 86 89 10 10 216 216 178 20 20 381 381 508
3/4 3/4 29 29 38 2 1/2 86 83 89 8 216 203 178 18 381 368 508
1/2 29 29 51 2 86 76 89 6 216 194 178 16 381 356 508
1 1 38 38 51 1 1/2 86 73 89 5 216 191 178 14 381 356 508
3/4 38 38 51 1 1/4 86 70 89 4 216 184 178 12 381 346 508
1/2 38 38 51 4 4 105 105 102 12 12 254 254 203 24 24 432 432 508
1 1/4 1 1/4 48 48 51 3 105 98 102 10 254 241 203 20 432 432 508
1 48 48 51 2 1/2 105 95 102 8 254 229 203 18 432 419 508
3/4 48 48 51 2 105 89 102 6 254 219 203 16 432 406 508
1/2 48 48 64 1 1/2 105 86 102 5 254 216 203 14 432 406 508
1 1/2 1 1/2 57 57 64 5 5 124 124 127 14 14 279 279 330 28 28 521 521 610
1 1/4 57 57 64 4 124 117 127 12 279 270 330 24 521 508 610
1 57 57 64 3 124 111 127 10 279 257 330 20 521 483 610
3/4 57 57 64 2 1/2 124 108 127 8 279 248 330 18 521 470 610
1/2 57 57 67 2 124 105 127 6 279 238 330 16 521 457 610
2 2 64 64 76 6 6 143 143 140 16 16 305 305 356 36 36 673 673 610
1 1/2 64 60 76 5 143 137 140 14 305 305 356 32 673 648 610
1 1/4 64 57 76 4 143 131 140 12 305 295 356 28 673 622 610
1 64 51 76 3 143 240 140 10 305 283 356 24 673 610 610
3/4 64 44 76 2 1/2 143 121 140 8 305 273 356 20 673 584 610
2 1/2 2 1/2 76 76 89 8 8 178 178 152 18 18 343 343 381 48 48 889 838 711
2 76 70 89 6 178 168 152 16 343 330 381 46 889 838 711
1 1/2 76 67 89 5 178 162 152 14 343 330 381 44 889 838 711
1 1/4 76 64 89 4 178 156 152 12 343 321 381 42 889 813 711
1 76 57 89 3 178 150 152 10 343 308 381 40 889 813 711

All Fittings 90 Deg.
and
45 Deg.
Elbows
and Tees		 Reducers
and
Lep.
Joint
Stub Ends		 Caps 180 Deg. Returns Lap joint Stub Ends
Nominal
Pipe
Size		 Outside(1)
Diameter
at Bevel		 Inside(2)
Diameter
at End		 Wall(2)
Thickness		 Center to
End
Dimension
A, B, C, M.		 Over
all
Length
F,H		 Over-
all
Dimension
E		 Center to
Center
Dimension
O		 Back to
Face
Ends
K		 Align-
Ment of
Ends
U		 Outside
Diameter
of Lap
G		 Thickness
of
Lap
T		 Fillet
Radius
of Lap
R		 Outside
Diameter
of
Barrel
1/2to21/2 +1
 +0.8
 Not
less
than
87.5% of
Nominal
thickness		 +2 +2 +4
 +7
 +7
 +1
 +0-1 +2-0 +0-1
 Refer
Below
Table
3 to 3 1/2 +1
 +1.6
 +2 +2 +4
 +7
 +7
 +1
 +0-1 +2-0
 +0-1
4 +2-1
 +1.6
 +2 +2 +4
 +7
 +7
 +1
 +0-1
 +2-0
 +0-2
5 to 6 +3-1 +1.6
 +2 +2 +7 +7
 +7
 +1
 +0-1
 +2-0
 +0-2
8 +2
 +1.6
 +2 +2 +7 +7
 +7
 +1
 +0-1 +2-0
 +0-2
10 +4-3
 +3.2 +2 +2 +7

+10

 +7

+2

 +0-2 +2-0
 +0-2
                       
12 to 18

+4-3

 +3.2 +3 +3 +7

+10

 +7

+2

 +0-2 +2-0
 0-2
                       
20 to 18 +6-5 +4.8 +3 +3 +7

+10

 +7

+2

 +0-2 +2-0
 +0-2
26 to 24 +7-5
 +4.8 +3 +3 +10            
32 to 48 +7-5 +4.8 +3 +3 +10            

Outside Diameter of
Barrel
Max. Min.
0.896 0.809
1.106 1.019
1.376 1.284
1.716 1.629
1.966 1.869
2.456 2.344
2.966 2.844
3.596 3.469
4.096 3.969
4.593 4.469
5.683 5.532
6.743 6.594
8.743 8.594
10.913 10.719
12.913 12.719
14.170 13.969
16.180 15.969
18.190 17.969
20.240 19.969
22.240 21.969
24.240 23.969
   

Nominal Wall Thickness (f)

 End Preparation
less than X Cut square ur slightly chamber, at mtr’s option
X' I0 0.88 incl. [22] Plain bevel as in Sketch “a" above
more than 0.88 (22) Compound bevel as in Sketch ”b” aboye
X* = 0.19 (5) Carbon steel cfierritic allay steal and 0.12(4) for austenitic alloy steel.  
Dimensions in parentheses are in millimeters. Others are in inches.  
FIGURE 1 WELDING BEVELS AND ROOT FACE  

Nominal
Pipe
 Angularity Tol.
Off
Angle
 Off
Plane
Size Q P
1/ 2 t0 4 +1 +2
5 to 8 +2 +4
10 to 12 +8 +5
14 to 16 +8 +7
18 to 24 +4 +10
26 to 30 +5 +10
32 to 42 +5 +13
44 to 48 +5 +20

NOM BORE PIPE O.D. 3000 LBS Common Factors 6000 LBS
A B C G H K D E I J A B C G H K
1/8" 10.3 21 22 17 32 16 19 11 10 - 6 25 25 19 32 22 -
1/4" 13.7 25 25 19 35 19 25 16 11 3 6 29 33 22 35 25 27
3/8" 17.2 29 33 22 38 22 25 17.5 13 4 8 33 38 25 38 32 27
1/2" 21.3 33 38 25 48 29 32 22 15 5 8 38 46 29 48 38 33
3/4" 26.7 38 46 29 51 35 37 27 16 6 10 44 56 33 51 44 38
1” 33.4 44 56 33 60 44 41 35 19 6 10 51 62 35 60 57 43
1 14” 42.2 51 62 35 67 57 44 44.5 21 7 14 60 75 43 67 64 64
1 1/2" 48.3 60 75 43 79 64 44 51 21 8 16 64 84 44 79 76 48
2” 60.3 64 84 45 86 76 48 63.5 22 9 17 83 102 52 86 92 51
2 1/2" 73.02 83 102 52 92 92 60 76 27 10 21 95 121 64 92 108 64
3” 89.00 95 121 64 108 108 65 89 29 10 65 106 146 79 108 127 68
4” 114.5 114 152 79 121 121 68 117.5 32 13 25 114 152 79 121 159 75

RATING inch 1/8 1/4 3/8 1/2 3/4 1 11/4 11/2 2 21/2 3 4
3000 lb C 35.0 35.0 40.0 46.0 55.5 64.5 78.0 87.0 104.0 124.0 150.0 187.0
D 14.7 19.1 22.9 27.7 33.5 41.4 50.5 57.1 70.1 85.3 102.4 136.5
E 41.4 41.4 46.0 49.0 56.9 62.0 71.1 76.5 86.1 118.0 109.0 153.0
F 63.5 63.5 68.0 75.0 81.0 93.0 102.0 111.0 118.0      
T 5.0 8.0 11.0 14.0 19.0 24.0 32.0 38.0 49.0      
6000 lb C   46.0 46.0 64.5 64.5 87.0 87.0 104.0 124.0      
D   27.7 27.7 38.5 41.4 57.2 57.2 70.1 85.3      
E   49.0 49.0 62.0 62.0 76.5 76.5 86.1 118.0      
F   75.0 75.0 93.0 93.0 111.0 111.0 118.0        
T   6.0 8.0 11.0 13.0 17.0 24.5 30.0        
THRED* A 9.6 11.2 12.7 14.2 15.7 19.0 20.6 20.6 22.3 26.9 28.4 31.7
B 6.4 8.1 9.1 10.9 12.7 14.7 17.0 17.8 19.0 23.6 25.9 27.7
L 6.7 10.2 10.4 13.6 13.9 17.3 17.9 18.4 19.2 28.9 30.5 33.0
mm 6 8 10 15 20 25 32 40 50 65 80 100
L - ACTUAL LENGTH T- OUTSIDE DIAMETER J - DEPTH OF SOCKET
C - LEAD-IN DIAMETER B- MINIMUM LENGTH OF PERFECT THREAD S(I) - BRANCH WALL-I-HICKNESS
D - BORE DIAMETER L2-MINIMUM LENGTH OF USEFULTHREAD (|) - “” VALUE SHALL BE INDICATED IN ORDER
F - PANE DIAMETER E - SOCKET BORE DIAMETER  

Nom Bore PIPE O.D. 3000 LBS. C D O O          
A max. B max. K J L M N P Q min. min. min. max. A B M K N
1/8" 10.3 22 18.5 26 16 40 17.3 32 15 10 10.7 10 5 8 22 22 20 25 46
1/4" 13.7 22 22 26 18 43 21.2 32 15 10 14.1 10 5 8 27 25 24 25 51
3/8" 17.2 25 25 26 19 48 25.4 36 16.5 10 17.6 10 3 9 27 28 28 26 60
1/2" 21.3 27 32 30 21 51 31 41 16.5 10 21.7 10 6 13 31 34 34 31 72
3/4" 26.7 34 38 36 24 57 37 50 19.5 13 27 13 6 13 37 42 41 35 80
1” 33.4 37 46 40 25 64 45.2 60 22.5 13 33.8 13 9 17 42 50 50 40 94
1 14” 42.2 42 56 40 29 70 55 70 22.5 13 42.6 13 9 17 47 59 58 41 100
1 1/2" 48.3 47 62 40 30 79 61.4 78 24 13 48.7 13 9 17 53 67 66 43 122
2” 60.3 56 75 52 37 89 75 95 29 13 61.2 16 15 23 59 84 83 55 -
2 1/2" 73.02 60 92 52 48 114 91.3 125 32 16 73.8 16 14 24 - 102 - 56 -
3” 89.00 76 110 52 51 127 108.8 140 35 16 89.8 16 14 24 - 121 - 58 -
4” 114.50 88 137 58 - 150 136.9 - 42 19 115.5 19 14 24 - 152 - 64 -

RATING inch 1/8 1/4 3/8 1/2 3/4 1 11/4 11/2 2 21/2 3 4
3000 LB A nom 35.0 35.0 40.0 46.0 55.5 64.5 78.0 87.0 104.0 124.0 150.0 187.0
C ave
min		 3.2
3.2		 3.8
3.3		 4.0
3.5		 4.7
4.1		 4.9
4.3		 5.7
5.0		 6.1
5.3		 6.4
5.5		 6.9
6.0		 8.8
7.7		 9.5
8.3		 10.7
9.3
L max
min		 22.4
19.0		 22.4
19.0		 16.9
20.6		 26.9
20.6		 91.8
25.4		 34.3
26.2		 40.6
32.5		 42.2
34.0		 45.5
37.3		 61.7
52.1		 63.8
53.6		 97.0
85.0
T max
min		 6.8
6.4		 9.8
9.4		 13.9
13.5		 17.5
17.1		 21.8
21.4		 28.1
27.7		 35.8
35.4		 41.6
41.2		 52.5
52.1		 64.7
64.3		 77.7
77.3		 102.8
100.7
H nom 54.0 54.0 57.0 62.5 67.0 77.0 84.5 93.0 96.0      
6000 LB A nom   46.0 46.0 64.5 64.5 87.0 87.0 104.0 124.0      
C ave
min		   4.6
4.0		 5.0
4.4		 6.0
5.2		 7.0
6.0		 7.9
6.9		 7.9
6.9		 8.9
7.8		 10.9
9.5		      
L max
min		   31.0
28.58		 31.0
28.5		 38.0
36.0		 35.5
33.0		 46.0
43.0		 43.5
40.0		 52.5
48.0		 81.0
75.0		      
T ave
min		   7.1
5.6		 9.9
8.4		 12.5
11.0		 16.3
14.8		 21.5
19.9		 30.2
28.7		 34.7
33.2		 43.6
42.1		      
H nom   65.0 64.0 70.0 69.0 95.0 93.5 100.0        
Socket B max
min		 10.9
10.7		 14.3
14.1		 17.8
17.5		 22.0
21.7		 27.3
27.0		 34.1
33.8		 42.8
42.5		 48.9
48.6		 61.4
61.1		 74.2
73.8		 90.2
89.8		 115.8
115.4
J min 9.7 9.7 9.7 9.7 12.7 12.7 12.7 12.7 15.7 15.7 15.7 19.0
mm 6 8 10 15 20 25 32 40 50 65 80 100
A -WIDTH A/F UNION NUT T- BORE DIAMETER OF FITTING J - DEPTH OF SOCKET
C - SOCKET WALL THICKNESS H- LAYING LENGTH T1-SEE TABLE10
L- LAYING LENGTH B- SOCKET BORE DIAMETER  

RATING inch 1/8 1/4 3/8 1/2 3/4 1 11/4 11/2 2 21/2 3 4
3000 lb W 26.0 36.0 40.0 48.0 52.0 60.0 66.0 68.0 71.0 94.0 102.0 110.0
E 10.0 15.0 16.0 20.0 21.0 25.0 26.0 26.0 27.0 37.0 40.0 43.0
D 6.0 6.0 8.0 8.0 10.0 10.0 14.0 16.0 17.0 20.0 22.0 24.0
C 11.0 15.0 18.0 22.0 27.0 35.0 45.0 50.0 62.0 76.0 93.0 119.0
M   19.0 22.3 28.5 358.0 44.5 57.1 36.5 76.2 91.9 108.0 139.0
T   8.0 11.0 14.0 19.0 24.0 32.0 38.0 49.0 58.2 73.0 96.0
6000 lb W 26.0 36.0 40.0 48.0 52.0 60.0 66.0 68.0 71.0 94.0 102.0 110.0
E 10.0 15.0 16.0 20.0 21.0 25.0 26.0 26.0 27.0 37.0 40.0 43.0
D 6.0 6.0 8.0 8.0 10.0 10.0 14.0 16.0 17.0 20.0 22.0 24.0
C 11.0 15.0 18.0 22.0 27.0 35.0 45.0 50.0 62.0 76.0 93.0 119.0
M   25.4 31.7 38.1 44.5 57.1 36.5 76.2 91.9      
T   6.0 8.0 11.0 13.0 17.0 24.5 30.0 39.0      
THRED* A 9.6 11.2 12.7 14.2 15.7 19.0 20.6 20.6 22.3 26.9 28.4 31.7
B 6.4 8.1 9.1 10.9 12.7 14.7 17.0 17.8 19.0 23.6 25.9 27.7
L 6.7 10.2 10.4 13.6 13.9 17.3 17.9 18.4 19.2 28.9 30.5 33.0
mm 6 8 10 15 20 25 32 40 50 65 80 100

DIMENSIONS OF BUTT WELDING OUTLETS SOCKOLET & THREADOLET OUTLETS
DIMENSIONS OF BUTT WELDING OUTLETS SOCKOLET & THREADOLET OUTLETS
Type / Schedule Nominal Pipe Size
nch 1/8 1/4 3/8 1/2 3/4 1 1 1/4 1 1/2 2 2 1/2 3 4
Standard Weight and Extra Strong A 14.3 14.3 19.0 19.0 22.2 27.0 31.7 33.3 38.1 41.3 44.4 50.8
B 25.4 25.4 31.7 34.9 44.5 54.0 65.1 73.0 88.9 103.2 122.2 152.4
C 15.9 15.9 19.0 23.8 30.2 36.5 44.5 50.8 65.1 76.2 93.7 120.6
Rating Nominal Pipe Size
inch 1/8 1/4 3/8 1/2 3/4 1 1
1/4		 1
1/2		 2 2
1/2		 3 4
3000 LB
A 17.5 17.5 20.6 25.4 27.0 33.3 33.3 34.9 38.1 46.0 50.8 57.1
B 25.4 25.4 31.8 34.9 44.5 54.0 65.1 73.0 88.9 103.2 122.2 152.4
C 15.9 15.9 19.0 23.8 30.2 36.5 44.5 50.8 65.1 76.2 93.7 120.6
D 6.8 9.2 12.5 15.8 20.9 26.6 35.0 40.9 52.5 62.7 77.9 102.3
E 10.7 14.1 17.5. 21.7 27.0 33.8 24.6 48.6 61.1 73.8 89.9 115.4
F 22.2 22.2 25.4 31.7 36.5 46.0 55.6 61.9 74.6 87.3 1047.8 130.2
G 9.5 9.5 9.5 11.1 12.7 13.5 51.1 51.1 17.5 23.8 28..6 29.4
I 8.0 8.0 11.1 14.3 14.3 19.8 18.2 19.8 20.6 22.2 22.2 27.7
TYPE /
SCHEDULE 		NOMINAL PIPE SIZE
inch 1/8 1/4 3/8 1/2 3/4 1 1
1/4		 1
1/2		 2 2
1/2		 3 4
Schedule
160 and
double
extra
strong 		A       28.6 31.7 38.1 44.5 50.8 55.6 61.9 73.0 84.1
B       34.9 44.5 50.8 61.9 69.9 81.0 96.8 120.6 152.4
C       14.3 19.0 25.4 33.3 38.1 42.9 54.0 73.0 98.4
mm 6 8 10 155 20 25 32 40 50 65 80 100
Rating NOMINAL PIPE SIZE
inch 1/8 1/4 3/8 1/2 3/4 1 1
1/4		 1
1/2		 2 2
1/2		 3 4
6000 LB A       31.7 36.5 39.7 41.3 42.8 58.7      
B       44.5 50.8 61.9 69.9 82.6 103.2      
C       19.0 25.4 33.3 38.1 49.2 58.7      
D       14.3 19.0 25.4 33.3 38.1 42.9      
E       21.7 27.0 33.8 42.6 48.6 61.1      
F       36.7 45.2 57.1 65.1 76.2 92.1      
G       9.5 14.3 15.9 20.6 20.6 22.2      
I       22.2 22.2 23.8 20.6 22.2 36.5      
mm 6 8 10 15 20 25 32 40 50 65 80 100
A - ACTUAL HEIGHT B - 0UTSIDE DIAMETER
(II) "S" VALUE SHALL BE INDICATED IN ORDER  
E - SOCKET BORE DIAMETE F- PANE DIAMETER
C - LEAD-IN DIAMETER S(|) BRANCH WALL THICKNESS
B - OUTSIDE DIAMETER C - LEAD-IN DIAMETER
I - LAYING LENGTH  

DIMENSION OF 45° LATERAL AND ELBOW BRANCHES
RATING NOMINAL PIPE SIZE
3000 lb inch 1/8 1/4 3/8 1/2 3/4 1 11/4 11/2 2 21/2 3 4
L     40.5 40.5 40.5 47.6 55.6 60.3 66.7 81.0      
C     34.9 34.9 34.9 43.7 54.0 67.5 76.2 104.8      
D  max
min  		   10.0
8.5		 13.3
11.8		 16.6
15.0		 21.7
20.2		 27.4
25.9		 35.8
34.3		 41.6
40.1		 53.3
51.7		      
F     28.6 28.6 28.6 35.7 44.5 54.8 63.5 82.      
T         34.9 44.5 54.8 63.5 73.0 88.9      
L     40.5 40.5 47.6 55.6 60.3 66.7 81.0        
C     34.9 34.9 43.7 54.0 67.5 76.2 104.8        
6000 lb D max
min		   7.1
5.6		 9.9
8.4		 12.5
11.0		 16.3
14.8		 21.5
19.9		 30.2
28.7		 34.7
33.0		 43.6
42.1		      
F     28.6 28.6 35.7 44.5 54.8 63.5 82.6        
T         44.5 50.8 61.9 73.0 82.6 103.2      
THRED* B     8.1 9.1 10.9 12.7 14.7 17.0 17.8 19.0      
L     10.2 10.4 13.6 13.9 17.3 17.9 18.4 19.2      
SOCKET E max
min 		  14.3
14.1		 17.8
17.5		 22.0
21.7		 27.3
27.0		 34.1
33.8		 42.8
42.5		 48.9
48.6		 61.4
61.1		      
J min   9.7 9.7 9.7 12.7 12.7 12.7 12.7 15.7      
mm 6 8 10 15 20 25 32 40 50 65 80 100
L - ACTUAL LENGTH T- OUTSIDE DIAMETER J - DEPTH OF SOCKET
C - LEAD-IN DIAMETER B- MINIMUM LENGTH OF PERFECT THREAD S(I)-BRANCH WALL THICKNESS
D - BORE DIAMETER L2-MINIMUM LENGTH OF USEFUL THREAD (I)-“S” VALUE SHALL BE INDICTED IN ORDER
F - PANE DIAMETER E - SOCKET BORE DIAMETER