NPSO.D.DCenter-to-End A3D Center-to-End A
1/221.338
3/426.73857
133.43876
42.24895
48.357114
260.376152
7395190
388.9114229
101.6133267
4114.3152305
5141.3190381
6168.3229457
8219.1305610
10273381762
12323.8457914
14355.65331067
16406.46101219
184576861372
205087621524
225598381676
246109141829
266609911981
2871110672134
3076211432286
3281312192438
3486412952591
3691413722743
3896514482896
40101615243048
42106716003200
44111816763353
46116817533505
48121918293658

Tolerances
Nominal Pipe SizeOutside Diameter at Bevel (D)Inside Diameter at EndCenter to End LR (A/B)Center to End 3D (A/B)Wall Thickness (t)
1/2 to 2.1/2+ 1.6 – 0.80.823Not less than 87.5% of Nominal Wall Thickness
3 to 3.1/21.61.623
41.61.623
5 to 8+ 2.4 – 1.61.623
10 to 18+ 4 – 3.23.223
20 to 24+ 6.4 – 4.84.823
26 to 30+ 6.4 – 4.8+ 6.4 – 4.836
32 to 48+ 6.4 – 4.8+ 6.4 – 4.856