Stainless Steel 304l Seamless Tube

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Neeka Tubes is a global SS 304L seamless tubes manufacturer, offering premium-quality tubing solutions. Stainless Steel 304L Seamless Tubing is a low-carbon variant, providing excellent corrosion resistance, weldability and durability. We offer a variety of shapes, including Round, Square, Rectangular, Coil, “U” Shape, as well as Hydraulic and Honed Tubes. It is widely used in industries requiring superior performance in harsh environments.

Our ASTM A213 TP304L Stainless Steel Seamless Tubes are manufactured using high quality raw materials that make them strong and durable. It has about 8-10.5% of nickel, 18-20% of chromium and maximum 0.03% of carbon, thus it has high resistance to oxidation and corrosion. It also has minimum tensile strength of 485MPa, yield strength of 170MPa and elongation of 40%. The Rockwell B hardness is 92 max and Brinell hardness is 201 max which makes it capable to handle high pressure conditions.

Best Deals, Guaranteed Quality! ASTM A304L Stainless Steel Seamless Tubing, ASTM A304LM Seamless Tubing, Stainless Steel 304L Seamless Tubing

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Features of Stainless Steel 304L Seamless Tubing

Features of Stainless Steel 304L Seamless Tube

  • Superior Corrosion Resistance – Ideal for harsh environments and chemical exposure.
  • High Weldability – Easy to fabricate and weld without compromising strength.
  • Excellent Strength & Durability – Maintains structural integrity under extreme conditions.
  • Smooth Surface Finish – Reduces friction and enhances flow efficiency.
  • Corrosion resistance–  It has good corrosion resistance, especially against intergranular corrosion during welding

Our 304L SS Seamless Tube is used in the petrochemical industry for pipelines, heat exchangers and chemical processing equipment. The pharmaceutical industry relies on it for sterile fluid transport, cleanroom piping and bioreactors. Also in food processing, it ensures hygienic transport of fluids, maintaining cleanliness, resistance and durability in critical applications. We manufacture these tubing in various sizes ranging from 1/2″ OD to 12″ OD, with wall thicknesses from 0.40 mm to 12.70 mm also custom cut lengths are available up to 30 meters. Our tubing complies with ASTM A213 / ASTM SA213 standards.

Most Common Types of Stainless Steel 304l Seamless Tubing

304

SS 304l Seamless Tube

304-round

304l SS Round Tube

square-tube

SS 304l square Tube

rectangular

SS 304l Rectangular Tube

welded

SS 304l Welded Steel Coil Tube

Stainless steel capillary tubes used for precision applications.

304l Stainless Steel Capillary Tube

Polished stainless steel tubes with a smooth surface finish.

Stainless Steel 304l Polished Tube

Cold-drawn seamless stainless steel pipe for precision engineering applications.

Stainless Steel 304l Cold Drawn Seamless Tube

Stainless Steel 304l Seamless Tubing Specifications

SpecificationsASTM A213 / ASTM SA213
Tube Range1/2″ OD – 12″ OD, Guage: 25 SWG – 10 SWG
Outer Diameter3.00 mm – 219.10 mm
Wall Thickness0.40 mm – 12.70 mm
LengthUpto 30 meters, Custom Cut Lengths
Schedules5, 10S, 10, 30, 40S, 40, 80, 80S, XS, 160, XXH
TypesRound, Square, Rectangle, Coil, “U” Shape, Hydraulic & Honed Tubes
Looking For Fastest Delivery of 304l Stainless Steel Tubing in Mumbai? Find Your Sizes and Thickness of SS 304l Seamless Tube in Our Ready Stock.
Β GradeNiFeCrCSiMnPSN
SS 304L8 – 10.5Balance18 – 200.30 max0.75 max2 max0.045 max0.030 max0.10
GradeTensile Strength (MPa) minYield Strength 0.2% Proof (MPa) minElongation (% in 50mm) minHardness
Rockwell B (HR B) maxBrinell (HB) max
304L4851704092201
STANDARDUNSWERKSTOFF NR.JISAFNORBSGOSTEN
SS 304LS304031.4306/1.4307SUS 304LZ3CN18‐10304S1103Π₯18Н11X2CrNi18-9 / X2CrNi19-11

Contact Neeka tubes today for a best offer & competitive quotation Of Stainless Steel 304l Seamless Tubing

Please Call on +91 7700067892 or drop an E-Mail : sales@neekatubes.net

Stainless Steel 304l Seamless Tubing Dimensions In MM

NPSOutside DiameterWall ThicknessΒ WeightWeight
inmminmmSchedkg/MtrLb/ft
1/2β€³0.840210.1092.76940 STD1.2680.851
Β Β Β 0.1473.73480 STD1.6211.088
3/4β€³1.050270.1132.87040 STD1.6841.131
Β Β Β 0.1543.91280 STD2.1951.474
1β€³1.315330.1333.37840 STD2.5011.679
Β Β Β 0.1794.54780 STD3.3252.172
1 1/4β€³1.660420.1403.55640 STD3.3852.273
Β Β Β 0.1914.85180 STD4.4642.997
1 1/2β€³1.900480.1453.68340 STD4.0482.718
Β Β Β 0.2005.08080 STD5.4093.361
2β€³2.375600.1543.91240 STD5.4413.653
Β Β Β 0.2185.53780 STD7.4805.022
2 1/2β€³2.875730.2035.51640 STD8.6295.793
Β Β Β 0.2767.01080 STD11.4117.661
3β€³3.500890.2165.48640 STD11.2847.576
Β Β Β 0.3007.62080 STD15.27210.253
4β€³4.5001140.2376.020Β 16.07310.790
Β Β Β 0.3378.560Β 22.31814.983
6β€³6.6251680.1884.775Β 19.25212.924
Β Β Β 0.2035.516Β 20.73913.923
Β Β Β 0.2195.563Β 22.31814.983
Β Β Β 0.2506.350Β 25.35417.021
Β Β Β 0.2807.11240 STD58.26318.974
Β Β Β 0.3127.925Β 31.33421.036
Β Β Β 0.3759.525Β 37.28525.031
Β Β Β 0.43210.97380 XHY42.56128.573
Β Β Β 0.50012.700Β 48.71932.708
8β€³8.6252190.1884.775Β 25.23316.940
Β Β Β 0.2035.156Β 27.19818.259
Β Β Β 0.2195.563Β 29.28619.661
Β Β Β 0.2506.3502033.30822.361
Β Β Β 0.2777.0363036.78624.696
Β Β Β 0.3228.1794042.35228.554
Β Β Β 0.3759.525Β 49.21633.041
Β Β Β 0.40610.3126053.08535.638
Β Β Β 0.50012.70080 XHY64.62743.388
10β€³10.7502730.1884.775Β 31.58821.207
Β Β Β 0.2195.563Β 36.68924.631
Β Β Β 0.2506.3502041.75928.035
Β Β Β 0.3077.7983051.00234.240
Β Β Β 0.3448.738Β 56.94638.231
Β Β Β 0.3659.27140 STD63.30140.483
Β Β Β 0.43811.125Β 71.85248.238
Β Β Β 0.50012.70060 XHY81.53054.735
Β Β Β 0.59415.0888095.96964.429
12β€³12.7503240.1884.775Β 37.57025.222
Β Β Β 0.2195.563Β 43.65729.309
Β Β Β 0.2506.350Β 49.71333.375
Β Β Β 0.2817.137Β 55.73937.420
Β Β Β 0.3127.925Β 61.73541.445
Β Β Β 0.3759.525Β 73.82449.562
Β Β Β 0.40610.312Β 79.72753.525
Β Β Β 0.50012.700Β 97.43865.415
Β Β Β 0.56214.275Β 108.96673.154
14β€³14.0003560.1884.775Β 41.30827.732
Β Β Β 0.2195.563Β 48.01232.233
Β Β Β 0.2506.3502054.68536.713
Β Β Β 0.2817.137Β 61.32741.172
Β Β Β 0.3127.925Β 67.93945.611
Β Β Β 0.3759.525STD81.28154.568
Β Β Β 0.43811.1254094.49863.441
Β Β Β 0.50012.700XHY107.38172.090
Β Β Β 0.62515.875Β 132.98389.278
16”16.0004060.1884.775Β 47.29021.748
Β Β Β 0.2195.563Β 54.98036.910
Β Β Β 0.2506.3501062.63942.053
Β Β Β 0.2817.137Β 70.26847.174
Β Β Β 0.3127.9252077.86652.275
Β Β Β 0.3448.738Β 85.67757.519
Β Β Β 0.3759.525

30

STD

93.21362.578
Β Β Β 0.43811.125Β 108.43372.797
Β Β Β 0.50012.700

40

XHY

123.28982.770
18β€³18.0004570.2195.563Β 61.94841.588
Β Β Β 0.2506.350Β 70.59347.393
Β Β Β 0.2817.137Β 79.20853.176
Β Β Β 0.3127.9252087.79258.939
Β Β Β 0.3759.525STD105.14470.588
Β Β Β 0.43811.12530122.36982.152
Β Β Β 0.50012.700XHY139.19893.450
Β Β Β 0.56214.27540155.904104.666
Β Β Β 0.62515.875Β 172.754115.978
20β€³20.0005080.2506.350Β 78.54752.733
Β Β Β 0.2827.163Β 88.45859.386
Β Β Β 0.3127.925Β 97.71965.604
Β Β Β 0.3759.52520 STD117.07578.598
Β Β Β 0.43811.125Β 136.30591.508
Β Β Β 0.50012.70030 XHY155.106104.130
Β Β Β 0.59415.08840183.378123.110
Β Β Β 0.62515.875Β 192.640129.328
Β Β Β 0.68817.475Β 211.368141.901
24β€³24.0006100.2506.350Β 94.45663.413
Β Β Β 0.2817.137Β 106.02971.183
Β Β Β 0.3127.925Β 117.57318.932
Β Β Β 0.3759.52520 STD140.93864.618
Β Β Β 0.43811.125Β 164.176110.219
Β Β Β 0.50012.700XHY186.923125.490
Β Β Β 0.62515.875Β 232.410156.028
Β Β Β 0.68817.47540255.148171.293
Β Β Β 0.75019.050Β 277.401186.233
30β€³30.0007620.2506.350Β 118.31879.433
Β Β Β 0.2817.137Β 132.85189.189
Β Β Β 0.3127.92510147.35398.925
Β Β Β 0.3759.525STD176.731118.648
Β Β Β 0.43811.125Β 205.983138.286
Β Β Β 0.50012.70020 XHY234.647157.530
Β Β Β 0.62515.87530292.066196.078
Β Β Β 0.68817.475Β 320.817215.380
Β Β Β 0.75019.050Β 348.988234.293
36β€³36.0009140.2506.350Β 142.18095.453
Β Β Β 0.2817.137Β 159.672107.196
Β Β Β 0.3127.92510177.133118.918
Β Β Β 0.3759.525STD215.525142.678
Β Β Β 0.43811.125Β 247.790166.353
Β Β Β 0.50012.70020 XHY282.372198.570
Β Β Β 0.62515.875Β 351.723236.128
Β Β Β 

0.688

17.475Β 386.487259.467
Β Β Β 

0.750

19.050Β 420.576282.353
42β€³42.00010670.3127.925Β 206.914138.911
Β Β Β 0.3759.525STD248.319166.708
Β Β Β 0.50012.700XHY33.097221.610
Β Β Β 0.75019.050Β 492.163330.413
48β€³48.00012190.3759.525STD284.112190.738
Β Β Β 0.43811.125Β 331.404222.487
Β Β Β 0.50012.700XHY377.822253.650
Β Β Β 0.75019.050Β 563.750378.473
Β Β Β 0.87522.225Β 655.969440.383

SS 304L Seamless Tubing Thickness Chart

Pipe O.D.
(in.)		Wall Thickness of Pipe/Tube (inches)
.028.035.049.065.083.095.109.120
Working Pressure (psig)
1/8790010100Β Β Β Β Β Β 
1/43700480070009500Β Β Β Β 
5/16Β 370054007300Β Β Β Β 
3/8Β 310044006100Β Β Β Β 
1/2Β 230032004400Β Β Β Β 
3/4Β Β 2200300040004600Β Β 
1Β Β Β 22002900340039004300
Pipe ODWall Thickness (Inches)
.010.012.016.020.028.035.049.065.083.095.109.120
1/166,4227,87210,76813,484Β Β Β Β Β Β Β Β 
1/8Β Β Β 6,4229,32511,823Β Β Β Β Β Β 
3/16Β Β Β 4,0815,9357,63011,005Β Β Β Β Β 
1/4Β Β Β Β 4,3055,5188,05310,946Β Β Β Β 
3/8Β Β Β Β Β 3,5305,1077,029Β Β Β Β 
1/2Β Β Β Β Β 2,5953,7215,0786,699Β Β Β 
5/8Β Β Β Β Β 2,0512,9273,9705,2006,056Β Β 
3/4Β Β Β Β Β 1,6962,4123,2594,2494,9335,7556,422
7/8Β Β Β Β Β 1,4462,0512,7643,5924,1614,8425,391
1Β Β Β Β Β 5,0407,1409,59512,44514,39016,71518,585
Pipe ODWall Thickness (Inches)
0.50.60.70.81.01.21.51.61.82.02.22.53.0
3464567672775965Β Β Β Β Β Β Β Β 
4335411491567723873Β Β Β Β Β Β Β 
6Β Β 310360464567723775Β Β Β Β Β 
8Β Β 227262335411528567Β Β Β Β Β 
10Β Β Β 206262320411442Β Β Β Β Β 
12Β Β Β 169215262335360411464Β Β Β 
14Β Β Β Β 182222282303345389433500612
16Β Β Β Β 158192244262298335372430528
18Β Β Β Β 140169215230262294326377464
22Β Β Β Β 113137173186211236262301369
25Β Β Β Β 99120152162184206228262320

SS 304l Seamless Tubing Packing & Marking

shipping
box-packing
marking
packing

Packing & Marking Details

We pack our SS 304L seamless tubing in wooden boxes, plastic bags and steel-stripped bundles to prevent damage during transit.

Each tube is marked with grade, size, standard and heat number for traceability. Fast and efficient delivery ensures timely project execution, with custom packaging available as per client requirements.

Quality Tests

Every SS 304L seamless tubing undergoes a tube leaking test and is supplied with test certifications per EN 10204 3.1 or NABL-approved lab reports. It is inspected for mechanical properties, chemical composition and PMI testing. We also provide comprehensive certifications, including mill test reports, chemical & mechanical reports, PMI test reports, third-party inspection reports and destructive & non-destructive test reports, ensuring superior quality and compliance.

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Industrial Application of SS 304l Seamless Tubes

Oil & Gas
Oil & Gas
Cement
Cement
Chemical
Chemical
Marine
Marine
Petrochemical
Petrochemical
Pharmaceuticals
Pharmaceuticals
Power Plant
Power Plant