Steel pipes schedule 20 chart

wall thickness and weight

pipe flow calculator

Calculate pipe weight

Pipe nominal size

Pipe length (L)

Pipe unit weight (W/L)

Outside diameter (OD)

Wall thickness (wt)

Empty pipe weight (W)

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Steel price (USD)

Total pipe price (USD)

Filled pipe weight

Fluid density (ρ)

Filled pipe weight (Wf)

Volume of the fluid (V)

Nominal size [inches]	Outside diameter [inches]	Outside diameter [mm]	Wall thickness [inches]	Wall thickness [mm]	Weight [lb/ft]	Weight [kg/m]
8" NPS200	8.625	219.1	0.25	6.35	22.36	33.31
10" NPS250	10.75	273.0	0.25	6.35	28.04	41.77
12" NPS300	12.75	323.8	0.25	6.35	33.38	49.73
14" NPS350	14.0	355.6	0.312	7.92	45.61	67.9
16" NPS400	16.0	406.4	0.312	7.92	52.27	77.83
18" NPS450	18.0	457.0	0.312	7.92	58.94	87.71
20" NPS500	20.0	508.0	0.375	9.53	78.6	117.15
22" NPS550	22.0	559.0	0.375	9.53	86.61	129.13
24" NPS600	24.0	610.0	0.375	9.53	94.62	141.12
26" NPS650	26.0	660.0	0.5	12.7	136.17	202.72
28" NPS700	28.0	711.0	0.5	12.7	146.85	218.69
30" NPS750	30.0	762.0	0.5	12.7	157.53	234.67
32" NPS800	32.0	813.0	0.5	12.7	168.21	250.64
34" NPS850	34.0	864.0	0.5	12.7	178.89	266.61
36" NPS900	36.0	914.0	0.5	12.7	189.57	282.27

Available pipe standard tables

ANSI
B36.10
Wrought pipes

ANSI
B36.19M
Stainless steel

API 5L
Line pipes

API 5L
Steel grades

ASTM A270
Sanitary tubing

EN 10220
Steel tubes

ASTM D1785
PVC pipes

EN 10305
Precision Tubes

Pipe flow calculators

pipe network calculator