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Pipe Thickness Calculator ASME B31.1

by | Apr 25, 2020 | Piping

Pressure (P,psi)Outside Dia. (Do,mm)Max. Stress (S,psi)Joint Efficiency (E)Weld Reduction Factor (W)Thickness Coefficient (y)Corrosion Allowance (CA,mm)Mill Tollerance (MT,%)Min. Wall Thickness (tm,mm)Do/tm
30026013.7110.4212.5
5020013110.4012.5
150114.3150110.4112.5
346240678110.4012.5
1000016856667110.4012.5
1000016856667110.4012.5
15000168385000110.4012.5
1500016885000110.4012.5
1500016885000110.4312.5
652.7323.8517495110.400
1450.3833.435000110.4312.5
12.51000800.9510.4012.5
2219121932000110.4312.5
44.1168.310.8110.41.6012.5
7500141.333350110.4012.5
75012.572000110.4012.5
2342.3521.3420110.4012.5
174.04528528114.30110.400
174.04528528114.30110.41.612.5
174.045114.317100110.41.612.5
2654.1906005406.4016300110.400
2654.1906005406.416300110.4012.5
2400038.1155000111012.5
2400038.1145000111112.5
103021917099110.41.612.5
435013.15000110.4012.5
453013.19000110.4012.5
1727335009110.41.612.5
333.527335009110.41.612.5
333.527335009.172110.41.52412.5
210.25219.115600110.4012.5
210.25219.115600110.4012.5
652.6733.494000.810.4012.5
147.8819.0517.1110.41.512.5
2654.1906005406.48319.3646362110.7012.5
18.3406.457.36110.7012.5
18300406.457360110.7012.5
18.30.406457.36110.7012.5
1504.520000110.4012.5
232.0633.414300110.4012.5
23233.414300110.4012.5
23233.4143000110.4012.5
23233.414.3110.4012.5
23233.414.3110.4012.5
23233.4143000110.4012.5
580323.814000110.41.512.5
1305.3488.917100110.4312.5
72027317100110.4312.5
174021917260110.4112.5
154027320110.4212.5
15060015.20.9210.41.512.5
1160.3273.116740110.41.50
1160.3273.116740110.401.50
1160.3273.115600110.41.50
2506.62515000110.4012.5
1215219.195110.4112.5
2175272575110.4012.5
11066017000110.4312.5
11066017100110.43100
11066017100110.430
11066017100110.401
11066017100110.4312.5
10883119110.4012.5
495633.44956110.4012.5
255033.415600110.4012.5
255033.415600110.4112.5
508815000110.4312.5
300168.27520000110.41.5912.5
115199.310.90.40.512.5
1000362000110.4012.5
10012.7525000110.4012.5
10032417100110.4012.5
1.4219.116.7110.4012.5
1375217.1110.7012.5
1375217100110.7012.5
1375217.1110.4012.5
1200300200110.4012.5
10009023700110.4012.5
136548.310800110.41.612.5
136548.38000110.41.612.5
145.0382517100110.4012.5
145.0372517100110.4012.5
2320217110.4012.5
2900227110.4312.5
2400615600110.4012.5
4356190110.4012.5
43560190110.4012.5
3002191202.9110.4012.5
72110017100110.4312.5
40660.9618348110.4012.5
145114.313.7110.41.612.5
14501217100110.4312.5
145030017000110.4312.5
36252015600110.4012.5
36252015600110.4012.5
36252016679.3110.4012.5
2465.6415414318,58053075.3497110.410,6712.5
15060.315600110.4012.5
1508.62516000110.4012.5
15021916000110.4012.5
2803618000.8510.4.36512.5
10066520000110.40.62512.5
1200125110.4012.5
14.56101080.810.4012.5
166433.48000110.41.512.5
83821.3414504110.4012.5
1232.8355.65700110.7312.5
612.06219.1612.06110.4012.5
15063.5525110.4012.5
46927320000110.4312.5
46927320000110.4012.5
46927320000110.4312.5
2250219.1283001.86.7312.5
145.038114.313700110.4012.5
725114.39108.37110.4012.5
250406.4171000110.41.587512.5
250406.417100110.41.587512.5
26464792646110.4012.5
11621.317100110.4012.5
11621.317100110.4.512.5
14521.317100110.4.512.5
1203.520000110.4012.5
12088.920000110.4012.5
150114.3150110.4012.5
12088.92258110.4012.5
275250398110.4112.5
11603503000110.4312.5

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Notes:

  1. According to ASME B31.1:2018 (104.1.2)
  2. Table for Maximum Allowable Stress Values in Tension, ksi, for Metal Temperature, °F, (Not Exceeding)
  3. SMTS – Specified Minimum Tensile Strenght 
  4. SMYS – Specified Minimum Yield Strenght 
  5. LWJE [E] – Longitudinal Weld Joint Efficiency factor ( Table 102.4.3-1)
  6. [F] – Casting Factor
  7. LWSR [W] – Longitudinal Weld Strength Reduction factor (Table 102.4.7- 1)
  8. WTC [y] – Wall Thickness Coefficient, valid only for cases [Do/tm >6], (Table 104.1.2-1)