SS Pipe Size Chart

Stainless Steel Pipe Dimensions Chart

STAINLESS STEEL PIPE DIMENSION AS PER ASTM AND WEIGHT-KG. PER MTR. (ANSI B 36.19-1965)
Nominal Bore Outside Diameter Sch 5s Sch 10s Sch 40s Sch 80s Sch 160s Sch XXS
mm INCH mm Wt mm Weight (Kg/mt) Wt mm Weight (Kg/mt) Wt mm Weight (Kg/mt) Wt mm Weight (Kg/mt) Wt mm Weight (Kg/mt) Wt mm Weight (Kg/mt)
3 1/8 10.3 1.24 0.276 1.24 028 1.73 0.37 2.41 0.47
6 1/4 13.7 1.24 0.390 1.65 049 2.24 0.631 3.02 .0.80
10 3/8 17.1 1.24 0.490 1.65 0.63 2.31 0.845 3.20 1.10
15 1/2 21.3 1.65 0.800 2.11 1.00 2.77 1.27 3.75 1.62 4.75 1.94 7.47 2.55
20 3/4 26.7 1.65 1.03 2.11 1.28 2.87 1.68 3.91 2.20 5.54 2.89 7.82 3.63
25 1 33.4 1.65 1.30 2.77 2.09 3.38 2.50 4.55 3.20 6.35 4.24 9.09 5.45
32 1.1/4 42.2 1.65 1.65 2.77 2.70 3.56 3.38 4.85 4.47 6.35 5.61 9.70 7.77
40 1.1/2 48.3 1.65 1.91 2.77 3.11 3.68 4.05 5.08 5.41 7.14 7.25 10.16 9.54
50 2 60.3 1.65 2.40 2.77 3.93 3.91 5.44 5.54 7.48 8.74 11.1 11.07 13.44
65 2.1/2 73.0 2.11 3.69 3.05 5.26 5.16 8.63 7.01 11.4 9.53 14.9 14.2 20.39
80 3 88.9 2.11 4.51 3.05 6.45 5.49 11.30 7.62 15.2 11.1 21.3 15.24 27.65
100 4 114.3 2.11 5.84 3.05 8.36 6.02 16.07 8.56 22.3 13.49 33.54 17.12 41.03
125 5 141.3 2.77 9.47 3.40 11.57 6.55 21.80 9.53 31.97 15.88 49.11 19.05 57.43
150 6 168.3 2.77 11.32 3.40 13.84 7.11 28.30 10.97 42.7 18.2 67.56 21.95 79.22
200 8 219.1 2.77 14.79 3.76 19.96 8.18 42.60 12.7 64.6 23.0 111.2 22.23 107.8
250 10 273.1 3.40 22.74 4.19 28.00 9.27 60.50 15.1 96.0 28.6 173.0 25.40 155.15
300 12 323.9 3.96 31.50 4.57 36.00 10.30 79.80 17.5 132.0 33.32 238.76 25.40 186.97
350 14 355.6 3.96 34.36 4.78 41.3 11.13 94.59 19.05 158.08 35.71 281.70
400 16 406.4 4.19 41.56 6.35 62.64 12.7 123.30 21.41 203.33 40.46 365.11
450 18 457.2 4.19 46.80 4.78 53.42 14.27 155.80 23.8 254.36 45.71 466.40
500 20 508.0 4.78 59.25 5.54 68.71 15.09 183.42 26.19 311.2 49.99 564.68
600 24 609.6 5.54 82.47 6.35 94.45 17.48 255.41 30.96 442.08 59.54 808.22

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Stainless Steel Pipe and Tubing ASTM Specification & Tolerances

Specification Allowable Outside Diameter Variation in mm Allowable Wall Thickness Variation Exact Length Tolerance in mm Testing
Nominal Diameter Over Under %Over %Under Over Under
ASTM A213/ ASME SA 213 Seamless Boiler Superheater and Heat Exchanger Tubes Under 25.4 .1016 .1016 +20 -0 3.175 0 Flattening Test
25.4-38.1 incl. .1524 .1524 +22 -0 3.175 0 Tension Test
38.1-50.8 excl. .2032 .2032 +22 -0 3.176 0 Flare Test
50.8-63.5 excl. .254 .254 +2 -0 4.46 0 Hardness Test
63.5-76.2 excl. .3048 .3048 +22 -0 4.76 0 100% Hydrostatic test
76.2-101.6 incl. .381 .381 +22 -0 4.76 0 Refer to ASTM A450/ SA 450
ASTM A249/ ASME SA 249 Welded Boiler Superheater, Heat Exchanger And Condenser Tubes Under 25.4 .1016 .1016 +10 -10 3.175 0 Tension Test
25.4-38.1 incl. .1524 .1524 +10 -10 3.175 0 Flattening Test
38.1-50.8 excl. .2032 .2032 +10 -10 3.175 0 Flange Test
50.0-63.5 excl. .254 .254 +10 -10 4.762 0 Reverse Bend Test
63.5-76.2 excl. .3848 .3848 +10 -10 4.762 0 Hardness Test
76.2-101.6 incl. .381 .381 +10 -10 4.762 0 100% Hydrostatic Test Refer to ASTM A450/ SA 450
Minimum Wall tubes +18% 0 available On request
ASTM A269/ ASME SA 269 Seamless & Welded Tubing for General Service Untp12.7 .13 .13 +15 -15 3.2 0 Flare Test (Seamless Only)
12.7-38.1 excl. .13 .13 +10 -10 3.2 0 Flange Test (Welded Only)
38.1-88.9 excl. .25 .25 +10 -10 4.8 0 Hardness Test
88.9-139.7 excl. .38 .38 +10 -10 4.8 0 Reverse Flattening Test
139.7-203.2 excl. .76 .76 +10 -10 4.8 0 (Welded only) 100% Hydrostatic Test Refer to ASTM A269/ SA 269
ASTM A270/ ASME SA 270 Seamless & Welded Sanitary Tubing 25.4 .05 .20 +10.0 -10.0 3.2 0 Reverse flattening Test
38.1 .05 .20 +10.0 -10.0 3.2 0 100% Hydrostatic Test
50.8 .05 .28 +10.0 -10.0 3.2 0 External’ polish on all tubes
60.5 .05 .28 +10.0 -10.0 3.2 0 Refer to ASTM A270/ SA 270
76.2 .08 .30 +10.0 -10.0 3.2 0
101.6 .08 .38 +10.0 -10.0 3.2 0
ASTM A312/ ASME SA 312 Seamless & Welded pipes 3.175-38.1 incl. .4 .79 Minimum Wall 12.5% under nominal wall Specified 6.4 0 0 Tension Test
38.1-1016 incl. .79 .79 6.4 0 0 Flattening Test
101.6-203.2 incl. 1.59 .79 6.4 0 0 100% Hydrostatic Test
(Normally Random Lengths ordered Refer to ASTM A530/ SA 530
ASTM A358/ ASME SA 358 Welded pipes 219.08- 750mm or 0.01 inch +0.5% -0.3 6.0 Refer to ASTM A530/ SA 530

Stainless Steel Pipe Sizes in MM

Designation of Diameter O/D Nominal Wall Thickness
DIA SCH.5S SCH.5 SCH 10S SCH.10 SCH.20S SCH.30 SCH.40S SCH.40 SCH 60
(A) (B) Meter MM Wall Thk Weight Kg/Mtr Wall Thk Weight Kg/Mtr Wall Thk Weight Kg/Mtr Wall Thk Weight Kg/Mtr Wall Thk Weight Kg/Mtr Wall Thk Weight Kg/Mtr Wall Thk Weight Kg/Mtr Wall Thk Weight Kg/Mtr Wall Thk Weight Kg/Mtr
6 1/8 10.3 1 0.23 1.2 0.27 1.5 0.33 1.73 0.37
8 1/4 13.7 1.2 0.37 1.65 0.49 2 0.58 2.24 0.64
10 3/8 17.2 1.2 0.47 1.65 0.63 2 0.74 2.31 0.87
15 1/2 21.3 1.65 0.01 1.65 0.81 2.11 1.02 2.11 1.02 2.5 1.15 2.77 1.29
20 3/4 26.7 1.65 1.03 1.65 1.03 2.11 1.3 2.11 1.3 2.5 1.49 2.87 1.71
25 1 33.4 1.65 1.31 1.65 1.31 2.77 2.13 2.77 2.13 3 2.24 3.38 2.54
32 11/4 24.2 1.65 1.67 1.65 1.67 2.77 2.73 2.77 2.73 3 2.9 3.56 3.44
40 11/2 48.3 1.65 1.93 1.65 1.93 2.77 3.16 2.77 3.16 3 3.35 3.68 4.11
50 2 60.3 1.65 1.93 1.65 2.42 2.77 3.99 2.77 3.99 3.5 4.9 3.91 5.52
65 21/2 73 2.11 3.75 2.11 3.75 3.05 5.34 3.05 5.34 3.5 6 5.16 8.77
80 3 88.9 2.11 4.59 2.11 4.59 3.05 6.56 3.05 6.56 4 8.37 5.49 11.47
90 31/2 101.6 2.11 5.25 2.11 5.25 3.05 7.53 3.05 7.53 4 9.62 5.74 13.78
100 4 114.3 2.11 5.93 2.11 5.93 3.05 8.5 3.05 8.5 4.5 12.18 6.02 6.32
125 5 141.3 2.77 9.61 2.77 9.61 3.4 11.74 3.43 11.74 5 16.8 6.55 2210
150 6 168.3 2.77 11.47 2.77 11.47 3.4 14.04 3.43 14.04 5.5 22.08 7.11 28.69
200 8 219.1 2.77 15 2.77 15 3.76 20.77 3.76 20.27 6.35 33.82 7.04 37.38 8.18 43.2 10.81 53.9
250 10 273.1 3.4 22.95 3.4 22.95 4.19 28.2 4.19 28.2 6.35 42.41 7.8 51.81 9.27 61.22 12.2 82.8
300 12 323.9 3.96 31.72 4.19 33.6 4.57 36.54 4.57 36.54 6.35 50.48 8.38 66.2 9.53 75.01 10.31 80.94 14.27 110.62
350 14 355.6 3.96 34.86 4.78 41.99 6.35 55.53 7.92 68.95 9.53 82.58 9.53 82.58 11.13 96 15.06 128.42
400 16 406.4 4.19 42.2 4.78 48.07 6.35 63.61 7.92 79.03 9.53 94.7 9.53 94.7 12.7 125.2 16.66 162.59
450 18 457.2 4.19 47.46 4.78 54.15 6.35 71.69 7.92 89.1 11.13 124.32 9.53 106.83 14.27 158.27 19.05 209
500 2C 508 4.78 60.23 5.54 69.7 6.35 79.76 9.53 118.93 12.7 157.51 9.53 118.9 15.06 185.89 2062 251.65
550 22 558.8 4.78 65.95 5.54 76.75 6.35 87.84 9.53 131.07 12.7 173.66 9.53 131.07 15.88 216.04 22.23 298.55
600 24 609.6 5.54 83.8 6.35 95.92 6.35 95.92 9.53 143.2 14.27 212.72 9.53 143.2 17.45 258.74 24.59 360.21
650 26 660.4 7.92 129.4 12.7 205.97 9.53 155.32
700 28 711.2 7.92 139.47 12.7 222.13 15.88 276.48 9.53 167.44
750 3C 762 6.35 120.15 7.92 149.55 7.92 149.55 12.7 238.28 15.88 296.68 9.53 179.56
800 32 812.8 7.92 159.62 12.7 254.44 15.88 316.88 9.53 191.69 17.48 348.11
850 34 863.6 7.92 169.64 12.7 270.5 15.88 336.96 9.53 203.74 17.48 370.22
900 36 914.4 7.92 179.77 12.7 286.75 15.88 357.28 9.53 215.93 19.05 427.09

Check out SS Pipe Size Chart in MM and Inches |Stainless Steel Pipe Size Chart | Standard Stainless Steel Pipe Sizes

Weight & Thickness of SS Gauge Pipe

Size (Inch) OD (mm) 10 (3.025) 12 (2.64) 14 (2.03) 16 (1.62) 18 (1.21) 20 (0.91) 22 (0.71)
1/4” 6.35 0.075 0.070 0.065 0.058 0.046 0.037 0.030
5/16” 7.93 0.114 0.105 0.089 0.079 0.060 0.048 0.038
3/8” 9.52 0.152 0.135 0.113 0.097 0.080 0.058 0.046
1/2” 12.7 0.226 0.200 0.157 0.134 0.105 0.079 0.063
3/4” 19.05 0.386 0.326 0.256 0.215 0.161 0.124 0.097
1” 25.4 0.541 0.450 0.351 0.294 0.218 0.167 0.131
11/4” 31.82 0.696 0.580 0.448 0.375 0.275 0.200
11/2” 38.1 0.851 0.700 0.542 0.452 0.332
13/4” 44.45 1.020 0.832 0.646 0.530 0.390
2” 50.8 1.161 0.960 0.733 0.607 0.447
21/4” 57.15 1.315 1.085 0.828 0.687 0.504
21/2” 63.5 1.472 1.210 0.924 0.792 0.562
23/4” 69.85 1.630 1.338 1.022 0.847 0.619
3” 76.2 1.782 1.460 1.115 0.924 0.676
31/2” 88.9 2.092 1.718 1.306 1.082 0.791
4” 101.6 2.403 1.971 1.497 1.239 0.905
41/2” 114.3 2.713 2.224 1.608 1.397 1.020
5” 127.0 3.023 2.477 1.879 1.554 1.134
51/2” 139.7 3.336 2.730 2.070 1.713 1.250
6” 152.4 3.654 2.983 2.261 1.875 1.364
61/2” 165.1 3.975 3.256 2.452 2.028 1.478

Stainless Steel Pipe OD Chart

PIPE SIZE OD IN INCHES A.S.A. Pipe Schedules
5s 5 10s 10 20 30 40s & Std. 40 60 80s & E.H. 80 100 120 140 160 DBL E.H.
8 8.625 .1099.914 .1099.914 .14813.40 .14813.40 .25022.36 .27724.70 .32228.55 .32228.55 .40635.64 .50043.39 .50043.39 .59350.87 .71860.93 .81267.76 .90674.69 .88572.42
9 9.625 .34233.90 .50048.72
10 10.750 .13415.19 .13415.19 .16518.65 .16518.70 .25028.04 .30734.24 .36540.48 .36540.48 .50054.74 .50054.74 .59364.33 .71876.93 .84389.20 1.000104.10 1.125115.70
11 11.750 .37545.55 .50060.07
12 12.750 .15621.07 .16522.18 .18024.16 .18024.20 .25033.38 .33043.77 .37549.56 .40653.53 .56273.16 .50065.42 .68788.51 .843107.20 1.000125.50 1.125139.70 1.312160.3
14 14.000 .15623.07 .18827.73 .25036.71 .31245.38 .37554.57 .37554.57 .43763.37 .59384.91 .50072.09 .750106.10 .937130.70 1.093150.70 1.250170.20 1.406189.10
16 16.000 .16527.90 .18831.75 .25042.05 .31252.36 .37562.58 .37562.58 .50082.77 .656107.50 .50082.77 .843136.50 1.031164.80 1.218192.30 1.427223.50 1.593245.10
18 18.000 .16531.43 .18835.76 .25047.39 .31259.03 .43782.06 .37570.59 .562104.20 .750138.20 .50093.45 .937170.80 1.156208.00 1.375244.10 1.562274.20 1.781308.50
20 20.000 .18839.78 .21846.05 .25052.73 .37578.60 .500104.10 .37578.60 .593122.90 .812166.40 .500104.10 1.031208.90 1.280256.10 1.500296.40 1.750341.10 1.968379.00
22 22.000 .18843.80 .21850.71 .25058.07 .37586.61 .500114.81 .37586.61 .875197.41 .500114.81 1.125250.81 1.375302.88 1.625353.61 1.875403.00 2.125451.06
24 24.000 .21855.37 .25063.41 .25063.41 .37594.62 .562140.80 .37594.62 .687171.20 .968238.10 .500125.50 1.218296.40 1.531367.40 1.812429.40 2.062483.10 2.344542.13
26 26.000 .31285.60 .500136.17 .375102.63 .500136.17
28 28.000 .31292.26 .500146.85 .625182.73 .375110.64
30 30.000 .25079.43 .31298.93 .31298.93 .500157.53 .625196.08 .375118.65 .500157.53
32 32.000 .312105.59 .500168.21 .625209.43 .375126.66 .688230.08 .500168.21
34 34.000 .312112.25 .500178.89 .625222.78 .375134.67 .688244.77