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ASTM A234 WPB Tee in Lateral/ Equal / Unequal/ Reducing and Straight Types

ASTM A234 WPB Tee

A234 WPB Reducing Tee Specification

Standards Specification Of : ASTM A234 WPB Tee
Schedule: Sch 5 TO Sch XXS.
Size: Wall Thickness – from 2 to 40 mm.
Diameters – from 21,3 to 711 mm.
Materials List: Nickel, Alloy Steel, Carbon Steel, Inconel, Monel, Hastalloy, Titanium, Tantalum, Stainless Steel, Cupro-Nickel 90/10 & 70/30
Type Of Fittings: Butt Weld (BW)
Thickness: Schedule 5S, 20S, S10, S20, S30, 10S, S80, S100, S120, STD, 40S, S40, S60, XS, 80S, S140, S160, XXS and etc.
Standards Dimension: ANSI B16.28, MSS-SP-43 Type A, JIS B2312, ANSI B16.9, MSS-SP-43 Type B, JIS B2313

WPB Carbon Steel Buttweld Equal Tee Dimension

Nominal Size Of Pipe Dimensions of Run Dimensions of Branch Pipe 
Sch		 Weight 
Pounds
O.D. Wall Thick. T I.D. Center 
to End C		 O.D. Wall 
Thick. T		 O.D. Center
to End M
3/4 x 1/2 1.05 0.113 0.824 1.12 0.84 0.109 0.622 1.12 40 0.41
1 1/2 x 1 1/4 1.9 0.145 1.61 2.25 1.66 0.14 1.38 2.25 40 2
1 1/2 x 1 1.9 0.145 1.61 2.25 1.32 0.133 1.05 2.25 40 1.9
1 1/2 x 3/4 1.9 0.145 1.61 2.25 1.05 0.113 0.824 2.25 40 1.8
1 1/2 x 1/2 1.9 0.145 1.61 2.25 0.84 0.109 0.622 2.25 40 1.8
1 1/4 x 1 1.66 0.14 1.38 1.88 1.32 0.133 1.05 1.88 40 1.3
1 1/4 x 3/4 1.66 0.14 1.38 1.88 1.05 0.113 0.824 1.88 40 1.3
1 1/4 x 1/2 1.66 0.14 1.38 1.88 0.84 0.109 0.622 1.88 40 1.3
1 x 3/4 1.32 0.133 1.05 1.5 1.05 0.113 0.824 1.5 40 0.81
1 x 1/2 1.32 0.133 1.05 1.5 0.84 0.109 0.622 1.5 40 0.78
2 1/2 x 2 2.88 0.203 2.47 3 2.38 0.154 2.01 2.75 40 5.4
2 1/2 x 1 1/2 2.88 0.203 2.47 3 1.9 0.145 1.61 2.62 40 5.1
2 1/2 x 1 1/4 2.88 0.203 2.45 3 1.66 0.14 1.38 2.5 40 4.8
2 1/2 x 1 2.88 0.203 2.45 3 1.32 0.133 1.05 2.25 40 4.6
2 x 1 1/2 2.38 0.154 2.07 2.5 1.9 0.145 1.61 2.38 40 3.1
2 x 1 1/4 2.38 0.154 2.07 2.5 1.66 0.14 1.38 2.25 40 3
2 x 1 2.38 0.154 2.07 2.5 1.32 0.133 1.05 2 40 2.8
2 x 3/4 2.38 0.154 2.07 2.5 1.05 0.113 0.824 1.75 40 2.5
3 1/2 x 3 4 0.226 3.55 3.75 3.5 0.216 3.07 3.62 40 9.8
3 1/2 x 2 1/2 4 0.226 3.55 3.75 2.88 0.203 2.47 3.5 40 9.4
3 1/2 x 2 4 0.226 3.55 3.75 2.38 0.154 2.07 3.25 40 9.2
3 1/2 x 1 1/2 4 0.226 3.55 3.75 1.9 0.145 1.61 3.12 40 8.9
3 x 2 1/2 3.5 0.216 3.07 3.38 2.88 0.203 2.47 3.25 40 7.2
3 x 2 3.5 0.216 3.07 3.38 2.38 0.154 2.07 3 40 7
3 x 1 1/2 3.5 0.216 3.07 3.38 1.9 0.145 1.61 2.88 40 6.8
3 x 1 1/4 3.5 0.216 3.07 3.38 1.66 0.14 1.38 2.75 40 6.6
3 x 1 3.5 0.216 3.07 3.38 1.315 0.133 1.05 2 5/8 40 6.5
4 x 3 1/2 4.5 0.237 4.03 4.12 4 0.226 3.55 4 40 11.9
4 x 3 4.5 0.237 4.03 4.12 3.5 0.216 3.07 3.88 40 11.6
4 x 2 1/2 4.5 0.237 4.03 4.12 2.875 0.203 2.47 3.75 40 11.4
4 x 2 4.5 0.237 4.03 4.12 2.38 0.154 2.07 3.5 40 11.2
4 x 1 1/2 4.5 0.237 4.03 4.12 1.9 0.145 1.61 3.38 40 11.2
5 x 4 5.56 0.258 5.05 4.88 4.5 0.237 4.03 4.62 40 20.5
5 x 3 1/2 5.56 0.258 5.05 4.88 4 0.226 3.55 4.5 40 20
5 x 3 5.56 0.258 5.05 4.88 3.5 0.216 3.07 4.38 40 19.4
5 x 2 1/2 5.56 0.258 5.05 4.88 2.88 0.203 2.47 4.25 40 19
5 x 2 5.56 0.258 5.01 4.88 2.38 0.154 2.07 4.12 40 18.8
6 x 5 6.62 0.28 6.07 5.62 5.62 0.258 5.05 5.38 40 32
6 x 4 6.62 0.28 6.07 5.62 4.5 0.237 4.026 5.12 40 30.5
6 x 3 1/2 6.62 0.28 6.07 5.62 4 0.226 3.55 5 40 30
6 x 3 6.62 0.28 6.07 5.62 3.5 0.216 3.07 4.88 40 30
6 x 2 1/2 6.62 0.28 6.07 5.62 2.88 0.203 2.47 4.75 40 29.7
6 x 2 6.62 0.28 6.07 5.62 2.38 0.154 2.07 4.75 40 29
8 x 6 8.62 0.322 7.981 7 6.62 0.28 6.065 6.62 40 56.5
8 x 5 8.62 0.322 7.981 7 5.56 0.258 5.047 6.38 40 54
8 x 4 8.62 0.322 7.981 7 4.5 0.237 4.026 6.12 40 53.2
8 x 3 1/2 8.62 0.322 7.981 7 4 0.226 3.548 6 40 53
8 x 3 8.62 0.322 7.981 7 3.5 0.216 3.068 6 40 52
10 x 8 10.75 0.365 10.02 8.5 8.62 0.322 7.981 8 40 86.5
10 x 6 10.75 0.365 10.02 8.5 6.62 0.28 6.065 7.62 40 85.9
10 x 5 10.75 0.365 10.02 8.5 5.56 0.258 5.047 7.5 40 82.5
10 x 4 10.75 0.365 10.02 8.5 4.5 0.237 4.026 7.25 40 82
10 x 3 10.75 0.365 10.02 8.5 3.5 0.216 3.068 7.25 40 79
12 x 10 12.75 0.375 12 10 10.75 0.365 10.02 9.5 * 123
12 x 8 12.75 0.375 12 10 8.62 0.322 7.981 9 * 120
12 x 6 12.75 0.375 12 10 6.62 0.28 6.065 8.62 * 118
12 x 5 12.75 0.375 12 10 5.56 0.258 5.047 8.5 * 117
12 x 4 12.75 0.375 12 10 4.5 0.237 4.026 8.5 * 112
14 x 12 14 0.375 13.25 11 12.75 0.375 12 10.62 30 151
14 x 10 14 0.375 13.25 11 10.75 0.365 10.02 10.12 30 148
14 x 8 14 0.375 13.25 11 8.62 0.322 7.981 9.75 30 146
14 x 6 14 0.375 13.25 11 6.62 0.28 6.065 9.38 30 145
16 x 14 16 0.375 15.25 12 14 0.375 13.25 12 30 221
16 x 12 16 0.375 15.25 12 12.75 0.375 12 11.62 30 213
16 x 10 16 0.375 15.25 12 10.75 0.365 10.02 11.12 30 197
16 x 8 16 0.375 15.25 12 8.62 0.322 7.981 10.75 30 190
16 x 6 16 0.375 15.25 12 6.62 0.28 6.065 10.38 30 180
18 x 16 18 0.375 17.25 13.5 16 0.375 15.25 13 * 262
18 x 14 18 0.375 17.25 13.5 14 0.375 13.25 13 * 248
18 x 12 18 0.375 17.25 13.5 12.75 0.375 12 12.62 * 241
18 x 10 18 0.375 17.25 13.5 10.75 0.365 10.02 12.12 * 229
18 x 8 18 0.375 17.25 13.5 8.62 0.322 7.981 11.75 * 216
20 x 18 20 0.375 19.25 15 18 0.375 17.25 14.5 20 352
20 x 16 20 0.375 19.25 15 16 0.375 15.25 14 20 339
20 x 14 20 0.375 19.25 15 14 0.375 13.25 14 20 327
20 x 12 20 0.375 19.25 15 12.75 0.375 12 13.62 20 315
20x 10 20 0.375 19.25 15 10.75 0.365 10.02 13.12 20 305
20 x 8 20 0.375 19.25 15 8.62 0.322 7.981 12.75 20 293
24 x 20 24 0.375 23.25 17 20 0.375 19.25 17 20 500
24 x 18 24 0.375 23.25 17 18 0.375 17.25 16.5 20 487
24 x 16 24 0.375 23.25 17 16 0.375 15.25 16 20 475
24 x 14 24 0.375 23.25 17 14 0.375 13.25 16 20 465
24 x 12 24 0.375 23.25 17 12.75 0.375 12 15.62 20 450
24 x 10 24 0.375 23.25 17 10.75 0.365 10.02 15.12 20 447
30 x 24 30 0.38 29.24 22 24 0.38 23.24 21 * 795
30 x 20 30 0.38 29.24 22 20 0.38 19.24 20 * 749
30 x 18 30 0.38 29.24 22 18 0.38 17.24 19.5 * 727
36 x 30 36 0.38 35.24 26.5 30 0.38 29.24 25 * 1,207
36 x 24 36 0.38 35.24 26.5 24 0.38 23.24 24 * 1,129
36 x 20 36 0.38 35.24 26.5 20 0.38 19.24 23 * 1,072
36 x18 36 0.38 35.24 26.5 18 0.38 17.24 22.5 * 1,136
42 x 40 42 0.38 41.24 30 40 0.38 39.24 28 * 1,468
42 x 36 42 0.38 41.24 30 36 0.38 35.24 28 * 1,415
42 x 30 42 0.38 41.24 30 30 0.38 29.24 28 * 1,327
42 x 24 42 0.38 41.24 30 24 0.38 23.24 26 * 1,248
48 x 42 48 0.38 47.24 35 42 0.38 41.24 32 * 2,207
48 x 38 48 0.38 47.24 35 38 0.38 37.24 32 * 2,154
48 x 36 48 0.38 47.24 35 36 0.38 35.24 31 * 2,127
48 x 30 48 0.38 47.24 35 30 0.38 29.24 30 * 2,048


Lateral Tee A234 Wpb Equivalent

Pipe Pipe Tee Fitting Flanges Valves Bolts & Nuts
A106 Gr A A234 Gr WPA Tee A105 A216 Gr WCB A193 Gr B7
A194 Gr 2H
A106 Gr B ASTM A234 gr WPB Tee A105 A216 Gr WCB
A106 Gr C SA234 WPB Tee A105 A216 Gr WCB

A234 Gr WPB Tee Pipe Fittings Chemical Composition

Grade C Mn P S Si Cr Mo Ni Cu V Nb
WPB 0.3 0.29-1.06 0.05 0.058 0.1min 0.4 0.15 0.4 0.4 0.08 0.02
WPC 0.35 0.29-1.06 0.05 0.058 0.1min 0.4 0.15 0.4 0.4 0.08 0.02
WP11 CL1 0.05-0.15 0.30-0.60 0.03 0.03 0.50-1.00 1.00-1.50 0.44-0.65 - - - -
WP11 CL2/3 0.05-0.20 0.30-0.80 0.04 0.04 0.50-1.00 1.00-1.50 0.44-0.65 - - - -


A234 Wpb Tee Mechanical Composition

Tensile Requirements WPB WPC, WP11CL2 WP11CL1 　WP11CL3
Tensile Strength, minimum, ksi[MPa] 60-85 70-95 60-85 　75-100
(0.2% offset or 0.5% extension-under-load) [415-585] [485-655] [415-585] 　[520-690]
Yield Strength, minimum, ksi[MPa] 32 40 30 45
[240] [275] [205] [310]



Tee ASTM A234 Gr Wpb Pressure Rating

NPSOutside DiameterSchedule
(in)(in)
102030STD4060XS80100120140160XXS
1/4 0.54 7985 7985 10798 10798
3/8 0.675 6606 6606 9147 9147
1/2 0.84 6358 6358 8575 8575 10908 17150
3/4 1.05 5273 5273 7187 7187 10220 14373
1 1.315 4956 4956 6670 6670 9316 13340
1 1/4 1.66 4133 4133 5638 5638 7380 11276
1 1/2 1.9 3739 3739 5158 5158 7247 10316
2 2.375 3177 3177 4498 4498 7097 8995
2 1/2 2.875 3460 3460 4704 4704 6391 9408
3 3.5 3024 3024 4200 4200 6132 8400
3 1/2 4 2769 2769 3896 3896
4 4.5 2581 2581 3670 3670 4769 5782 7339
5 5.563 2273 2273 3303 3303 4404 5505 6606
6 6.625 2071 2071 3195 3195 4157 5318 6390
8 8.625 1420 1574 1829 1829 2307 2841 2841 3375 4085 4613 5147 4971
10 10.75 1140 1399 1664 1664 2279 2279 2708 3277 3847 4558 5128 4558
12 12.75 961 1268 1441 1560 2160 1922 2644 3244 3843 4324 5042 3843
14 14 875 1092 1313 1313 1533 2079 1750 2625 3283 3829 4375 4921
16 16 766 956 1148 1148 1531 2009 1531 2585 3157 3733 4404 4882
18 18 681 849 1192 1021 1530 2042 1361 2553 3147 3743 4252 4848
20 20 613 919 1225 919 1455 1989 1225 2526 3138 3675 4288 4824
22 22 557 835 1114 835 1949 1114 2506 3063 3619 4176 4733
24 24 510 766 1147 766 1405 1978 1021 2489 3126 3700 4210 4786
30 30 510 817 1021 613 817
32 32 478 766 957 574 1054
34 34 450 721 901 540 992
36 36 425 681 851 510 1021
42 42 583 729 438 875