Stainless Steel 304/304L/304H Pipes & Tubes Specifications
Standards | ASTM / ASME A213, A249, A269, A312, A358 / SA213, SA249, SA269, SA312, SA358 |
Outer Diameter | 6.00 mm OD up to 914.4 mm OD, Sizes up to 24” NB |
Thickness | 0.3mm – 50 mm |
Type | Seamless / ERW / EFW / Welded / Fabricated / LSAW Pipes |
Schedule | SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS |
Seamless Pipes & Tubes Size | 1 / 8″ NB – 24″ NB |
ERW Pipes & Tubes Size | 1 / 8″ NB – 36″ NB |
EFW Pipes & Tubes Size | 6″ NB – 100″ NB |
Length | Single Random, Double Random & Required Length |
Form | Round Pipes/Tubes, Square Pipes/Tubes, Rectangular Pipe/Tubes, Coiled Tubes, “U” Shape, Pan Cake Coils, Hydraulic Tubes |
End | Plain End, Beveled End, Treaded |
Types of Stainless Steel 304/304L/304H Pipes & Tubes

Stainless Steel 304/304L/304H Seamless Pipe

Stainless Steel 304/304L/304H ERW Pipe

Stainless Steel 304/304L/304H Welded Pipe

Stainless Steel 304/304L/304H Square Pipe

Stainless Steel 304/304L/304H Rectangular Pipe

Stainless Steel 304/304L/304H Thin Wall Tube
Stainless Steel 304/304L/304H Pipe Size
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. | ||
1/8 | .405 | .035.1383 | .049.1863 | .049.1863 | .068.2447 | 068.2447 | 0.95.3145 | 0.95.3145 | |||||||||
1/4 | .540 | .049.2570 | .065.3297 | .065.3297 | .088.4248 | 088.4248 | .119.5351 | .119.5351 | |||||||||
3/8 | .675 | .049.3276 | .065.4235 | .065.4235 | .091.5676 | .091.5676 | .126.7338 | .126.7338 | |||||||||
1/2 | .840 | .065.5383 | .065.5383 | .083.6710 | .083.6710 | .109.8510 | .109.8510 | .1471.088 | .1471.088 | .1871.304 | .2941.714 | ||||||
3/4 | 1.050 | .065.6838 | .065.6838 | .083.8572 | .083.8572 | .1131.131 | .1131.131 | .1541.474 | .1541.474 | .2181.937 | .3082.441 | ||||||
1 | 1.315 | .065.8678 | .065.8678 | .1091.404 | .1091.404 | .1331.679 | .1331.679 | .1792.172 | .1792.172 | .2502.844 | .3583.659 | ||||||
1-1/4 | 1.660 | .0651.107 | .0651.107 | .1091.806 | .1091.806 | .1402.273 | .1402.273 | .1912.997 | .1912.997 | .2503.765 | .3825.214 | ||||||
1-1/2 | 1.900 | .0651.274 | .0651.274 | .1092.085 | .1092.085 | .1452.718 | .1452.718 | .2003.631 | .2003.631 | .2814.859 | .4006.408 | ||||||
2 | 2.375 | .0651.604 | .0651.604 | .1092.638 | .1092.638 | .1543.653 | .1543.653 | .2185.022 | .2185.022 | .3437.444 | .4369.029 | ||||||
2-1/2 | 2.875 | .0832.475 | .0832.475 | .1203.531 | .1203.531 | .2035.793 | .2035.793 | .2767.661 | .2767.661 | .37510.01 | .55213.70 | ||||||
3 | 3.500 | .0833.029 | .0833.029 | .1204.332 | .1204.332 | .2167.576 | .2167.576 | .30010.25 | .30010.25 | .43714.32 | .60018.58 | ||||||
3-1/2 | 4.000 | .0833.472 | .0833.472 | .1204.973 | .1204.973 | .2269.109 | .2269.109 | .31812.51 | .31812.51 | .63622.85 | |||||||
4 | 4.500 | .0833.915 | .0833.915 | .1205.613 | .1205.613 | .23710.79 | .23710.79 | .28112.66 | .33714.98 | .33714.98 | .43719.01 | .53122.51 | .67427.54 | ||||
4-1/2 | 5.000 | .24712.53 | .35517.61 | .71032.53 | |||||||||||||
5 | 5.563 | .1096.349 | .1096.349 | .1347.770 | .1347.770 | .25814.62 | .25814.62 | .37520.78 | .37520.78 | .50027.04 | .62532.96 | .75038.55 | |||||
6 | 6.625 | .1097.585 | .1097.585 | .1349.290 | .1349.290 | .28018.97 | .28018.97 | .43228.57 | .43228.57 | .56236.39 | .71845.30 | .86453.16 | |||||
7 | 7.625 | .30123.57 | .50038.05 | .87563.08 |
Stainless Steel 304/304L/304H OD Pipe Size
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 | ||||||||||||
36 | 36.000 | .312118.92 | .625236.13 | .375142.68 | .750282.35 | .500189.57 |




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