Stainless Steel 304l Seamless Tubing

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 Tubing

  • 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

Specifications ASTM A 312 ASME SA 312 / ASTM A 358 ASME SA 358
Dimensions ASTM, ASME and API
SS 304L Pipes 1/2″ NB – 16″ NB
ERW 304L Pipes 1/2″ NB – 24″ NB
EFW 304L Pipes 6″ NB – 100″ NB
Size 1/8″NB TO 30″NB IN
Specialized in Large Diameter Size
Schedule SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS
Type Seamless / ERW / Welded / Fabricated / LSAW Pipes
Form Round, Square, Rectangular, Hydraulic Etc
Length Single Random, Double Random & Cut Length.
End Plain End, Beveled End, Treaded
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.
 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
STANDARD UNS WERKSTOFF NR. JIS AFNOR BS GOST EN
SS 304L S30403 1.4306/1.4307 SUS 304L Z3CN18‐10 304S11 03Х18Н11 X2CrNi18-9 / 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 Thickness WeightWeight
inmminmmSchedkg/MtrLb/ft
1/2″0.840210.1092.76940 STD1.2680.851
   0.1473.73480 STD1.6211.088
3/4″1.050270.1132.87040 STD1.6841.131
   0.1543.91280 STD2.1951.474
1″1.315330.1333.37840 STD2.5011.679
   0.1794.54780 STD3.3252.172
1 1/4″1.660420.1403.55640 STD3.3852.273
   0.1914.85180 STD4.4642.997
1 1/2″1.900480.1453.68340 STD4.0482.718
   0.2005.08080 STD5.4093.361
2″2.375600.1543.91240 STD5.4413.653
   0.2185.53780 STD7.4805.022
2 1/2″2.875730.2035.51640 STD8.6295.793
   0.2767.01080 STD11.4117.661
3″3.500890.2165.48640 STD11.2847.576
   0.3007.62080 STD15.27210.253
4″4.5001140.2376.020 16.07310.790
   0.3378.560 22.31814.983
6″6.6251680.1884.775 19.25212.924
   0.2035.516 20.73913.923
   0.2195.563 22.31814.983
   0.2506.350 25.35417.021
   0.2807.11240 STD58.26318.974
   0.3127.925 31.33421.036
   0.3759.525 37.28525.031
   0.43210.97380 XHY42.56128.573
   0.50012.700 48.71932.708
8″8.6252190.1884.775 25.23316.940
   0.2035.156 27.19818.259
   0.2195.563 29.28619.661
   0.2506.3502033.30822.361
   0.2777.0363036.78624.696
   0.3228.1794042.35228.554
   0.3759.525 49.21633.041
   0.40610.3126053.08535.638
   0.50012.70080 XHY64.62743.388
10″10.7502730.1884.775 31.58821.207
   0.2195.563 36.68924.631
   0.2506.3502041.75928.035
   0.3077.7983051.00234.240
   0.3448.738 56.94638.231
   0.3659.27140 STD63.30140.483
   0.43811.125 71.85248.238
   0.50012.70060 XHY81.53054.735
   0.59415.0888095.96964.429
12″12.7503240.1884.775 37.57025.222
   0.2195.563 43.65729.309
   0.2506.350 49.71333.375
   0.2817.137 55.73937.420
   0.3127.925 61.73541.445
   0.3759.525 73.82449.562
   0.40610.312 79.72753.525
   0.50012.700 97.43865.415
   0.56214.275 108.96673.154
14″14.0003560.1884.775 41.30827.732
   0.2195.563 48.01232.233
   0.2506.3502054.68536.713
   0.2817.137 61.32741.172
   0.3127.925 67.93945.611
   0.3759.525STD81.28154.568
   0.43811.1254094.49863.441
   0.50012.700XHY107.38172.090
   0.62515.875 132.98389.278
16”16.0004060.1884.775 47.29021.748
   0.2195.563 54.98036.910
   0.2506.3501062.63942.053
   0.2817.137 70.26847.174
   0.3127.9252077.86652.275
   0.3448.738 85.67757.519
   0.3759.525

30

STD

93.21362.578
   0.43811.125 108.43372.797
   0.50012.700

40

XHY

123.28982.770
18″18.0004570.2195.563 61.94841.588
   0.2506.350 70.59347.393
   0.2817.137 79.20853.176
   0.3127.9252087.79258.939
   0.3759.525STD105.14470.588
   0.43811.12530122.36982.152
   0.50012.700XHY139.19893.450
   0.56214.27540155.904104.666
   0.62515.875 172.754115.978
20″20.0005080.2506.350 78.54752.733
   0.2827.163 88.45859.386
   0.3127.925 97.71965.604
   0.3759.52520 STD117.07578.598
   0.43811.125 136.30591.508
   0.50012.70030 XHY155.106104.130
   0.59415.08840183.378123.110
   0.62515.875 192.640129.328
   0.68817.475 211.368141.901
24″24.0006100.2506.350 94.45663.413
   0.2817.137 106.02971.183
   0.3127.925 117.57318.932
   0.3759.52520 STD140.93864.618
   0.43811.125 164.176110.219
   0.50012.700XHY186.923125.490
   0.62515.875 232.410156.028
   0.68817.47540255.148171.293
   0.75019.050 277.401186.233
30″30.0007620.2506.350 118.31879.433
   0.2817.137 132.85189.189
   0.3127.92510147.35398.925
   0.3759.525STD176.731118.648
   0.43811.125 205.983138.286
   0.50012.70020 XHY234.647157.530
   0.62515.87530292.066196.078
   0.68817.475 320.817215.380
   0.75019.050 348.988234.293
36″36.0009140.2506.350 142.18095.453
   0.2817.137 159.672107.196
   0.3127.92510177.133118.918
   0.3759.525STD215.525142.678
   0.43811.125 247.790166.353
   0.50012.70020 XHY282.372198.570
   0.62515.875 351.723236.128
   

0.688

17.475 386.487259.467
   

0.750

19.050 420.576282.353
42″42.00010670.3127.925 206.914138.911
   0.3759.525STD248.319166.708
   0.50012.700XHY33.097221.610
   0.75019.050 492.163330.413
48″48.00012190.3759.525STD284.112190.738
   0.43811.125 331.404222.487
   0.50012.700XHY377.822253.650
   0.75019.050 563.750378.473
   0.87522.225 655.969440.383

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

SS 304l Seamless Tubing Packing & Marking

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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