SS 304 Seamless Tube Manufacturer & Supplier in India

Lakshya Steel is a leading manufacturer and supplier of SS 304 Seamless Tubes in India, offering high-quality products designed to meet various industrial needs. SS 304 seamless tubing is one of the most widely used due to its cost-effectiveness and excellent corrosion resistance. This makes it suitable for diverse applications in industries like petroleum, pharmaceuticals, oil and gas, and marine sectors.

Our seamless 304 stainless steel tubing is composed of chromium and nickel, giving it above strength and durability. Available in multiple sizes ranging from ½ inch to 60 inches, the tubing also comes in different shapes, including round, square, oval, and hexagonal. We offer both standard and custom sizes based on your project’s specific requirements.

We ensure that our 304 SS seamless tubing keeps to international quality standards such as ASTM A554 and ASTM A270. This makes it an ideal solution for high-pressure and high-temperature environments. With a commitment to providing accurate and secure tubing options, we take pride in offering competitive prices and excellent customer service.

For custom orders or more information on how our SS 304 seamless tubes can meet your industrial requirements, feel free to contact us today.

SS 304 Seamless Tube Specification

Dimensions ASTM, ASME, API
Sizes (Seamless) 1/2″ NB upto 8″ NB
SIzes (ERW) 1/2″ NB upto 24″ NB
Sizes (EFW) 6″ NB upto 100″ NB
Wall Thickness Schedule 5S to XXS
End Beveled End, Plain End, Treaded
Length Double Random, Single Random, Cut Length.
Materials Testing H2 SERVICE, NACE MR0175, CRYO SERVICE, OXYGEN SERVICE, etc
Processing Polishing, Cut-to-length, Polished Grit 120 to 600

304 SS Seamless Tubing Chemical Composition

Grade C Mn Si P S Cr Mo Ni N
304 min. 18.0 8.0
max. 0.08 2.0 0.75 0.045 0.030 20.0 10.5 0.10

Seamless 304 Stainless Steel Tubing Mechanical Properties

Grade Tensile Strength (MPa) min Yield Strength 0.2% Proof (MPa) min Elongation (% in 50mm) min Hardness
Rockwell B (HR B) max Brinell (HB) max
304 515 205 40 92 201

304 SS Seamless Tubing Physical Properties

Grade Elastic Modulus Density Mean Coefficient of Thermal Expansion (m/m/0C) Thermal Conductivity (W/m.K) Electrical Resistivity (n.m) Specific Heat 0-1000C (J/kg.K)
0-3150C 0-1000C at 1000C 0-5380C at 5000C
304 193 8000 17.8 17.2 16.2 18.4 21.5 720 500

SS 304 Seamless Tube Equivalent Grades

Grade Old British UNS No Euronorm Japanese JIS Swedish SS GOST
En BS Name No
304 58E 304S31 S30400 X5CrNi18-10 1.4301 SUS 304 2332

SS 304 Seamless Tube Sizes

NB Sizes Schedule 5 Schedule 10 Schedule 40 Schedule 80 Schedule 160
1/4″ Checkmark Checkmark Checkmark Checkmark
1/8″ Checkmark Checkmark Checkmark Checkmark
3/8″ Checkmark Checkmark Checkmark Checkmark
3/4″ Checkmark Checkmark Checkmark Checkmark Checkmark
1/2″ Checkmark Checkmark Checkmark Checkmark Checkmark
Wall Sizes ( O.D.)
.010 1/16″ , 1/8″ , 3/16″
.020 1/16″ , 1/8″ , 3/16″ , 1/4″ , 5/16″ , 3/8″
.012 1/8″
.016 1/8″ , 3/16″
.028 1/8″ , 3/16″ , 1/4″ , 5/16″ , 3/8″ , 1/2″ , 3/4″ , 1″ , 1 1/2″ , 2″
.035 1/8″ , 3/16″ , 1/4″ , 5/16″ , 3/8″ , 7/16″ , 1/2″ , 16″ , 5/8″ , 3/4″ , 7/8″ , 1″ , 1 1/4″ , 1 1/2″ , 1 5/8″ , 2″ , 2 1/4″
.049 3/16″ , 1/4″ , 5/16″ , 3/8″ , 1/2″ , 16″ , 5/8″ , 3/4″ , 7/8″ , 1″ , 1 1/8″ , 1 1/4″ , 1 1/2″ , 1 5/8″ , 2″ , 2 1/4″
.065 1/4″ , 5/16″ , 3/8″ , 1/2″ , 16″ , 5/8″ , 3/4″ , 7/8″ , 1″ , 1 1/4″ , 1 1/2″ , 1 5/8″ , 1 3/4″ , 2″ , 2 1/2″ , 3″
.083 1/4″ , 3/8″ , 1/2″ , 5/8″ , 3/4″ , 7/8″ , 1″ , 1 1/4″ , 1 1/2″ , 1 5/8″ , 1 7/8″ , 2″ , 2 1/2″ ,3″
.095 1/2″ , 5/8″ , 1″ , 1 1/4″ , 1 1/2″ , 2″
.109 1/2″ , 3/4″ , 1″ , 1 1/4″ , 1 1/2″ , 2″
.120 1/2″ , 5/8″ , 3/4″ , 7/8″ , 1″ , 1 1/4″ , 1 1/2″ , 2″ , 2 1/4″ , 2 1/2″ , 3″
.125 3/4″ , 1″ , 1 1/4″ , 1 1/2″ , 2″ , 3″ , 3 1/4″
.134 1″
.250 3″
.375 3 1/2″

Seamless 304 Stainless Steel Tubing Dimensions

Size 
OD, Inches
BW 
Ga.
Wall 
Dec-In.
ID Weight 
Lbs/Ft.
1/8 22 0.028 0.069 0.0290
20 0.035 0.055 0.0336
3/16 22 0.028 0.131 0.0478
1/4 25 0.020 0.210 0.0491
22 0.028 0.194 0.0664
21 0.032 0.187 0.0745
20 0.035 0.180 0.0804
18 0.049 0.152 0.1052
16 0.065 0.120 0.1284
5/16 20 0.035 0.242 0.1039
18 0.049 0.214 0.1382
16 0.065 0.182 0.1722
3/8 22 0.028 0.319 0.1038
20 0.035 0.305 0.1271
18 0.049 0.277 0.1706
16 0.065 0.245 0.2152
7/16 18 0.049 0.340 0.2036
1/2 25 0.020 0.460 0.1025
20 0.035 0.430 0.1738
18 0.049 0.402 0.2360
16 0.065 0.370 0.3020
5/8 20 0.035 0.555 0.2205
18 0.049 0.527 0.3014
16 0.065 0.495 0.3888
3/4 20 0.035 0.680 0.2673
18 0.049 0.652 0.3668
16 0.065 0.620 0.4755
14 0.083 0.584 0.5913
7/8 18 0.049 0.777 0.4323
16 0.065 0.745 0.5623
11 0.120 0.635 0.9676
1 20 0.035 0.930 0.3607
18 0.049 0.902 0.4977
16 0.065 0.870 0.6491
14 0.083 0.834 0.8129
11 0.120 0.760 1.1278
1-1/4 11 0.120 1.010 1.4480

SS 304 Seamless Tube Pressure Rating

OD inches Ave. Wall inches Min Yield Strength (PSI) Min Tensile Strength (PSI) Theoretical Burst Pressure * (PSI) Working Pressure (PSI) 25% of Burst Theoretical Yield Point ** (PSI) Collapse Pressure *** (PSI)
0.250 0.020 30,000 75,000 14,286 3,571 5,714 4,416
0.250 0.028 30,000 75,000 21,649 5,412 8,660 5,967
0.250 0.035 30,000 75,000 29,167 7,292 11,667 7,224
0.250 0.049 30,000 75,000 48,355 12,089 19,342 9,455
0.250 0.065 30,000 75,000 81,250 20,313 32,500 11,544
0.375 0.020 30,000 75,000 8,955 2,239 3,582 3,029
0.375 0.028 30,000 75,000 13,166 3,292 5,266 4,145
0.375 0.035 30,000 75,000 17,213 4,303 6,885 5,077
0.375 0.049 30,000 75,000 26,534 6,634 10,614 6,816
0.375 0.065 30,000 75,000 39,796 9,949 15,918 8,597
0.500 0.020 30,000 75,000 6,522 1,630 2,609 2,304
0.500 0.028 30,000 75,000 9,459 2,365 3,784 3,172
0.500 0.035 30,000 75,000 12,209 3,052 4,884 3,906
0.500 0.049 30,000 75,000 18,284 4,571 7,313 5,304
0.500 0.065 30,000 75,000 26,351 6,588 10,541 6,786
0.500 0.083 30,000 75,000 37,275 9,319 14,910 8,307
0.625 0.020 30,000 75,000 5,128 1,282 2,051 1,859
0.625 0.028 30,000 75,000 7,381 1,845 2,953 2,568
0.625 0.035 30,000 75,000 9,459 2,365 3,784 3,172
0.625 0.049 30,000 75,000 13,947 3,487 5,579 4,335
0.625 0.065 30,000 75,000 19,697 4,924 7,879 5,591
0.625 0.083 30,000 75,000 27,124 6,781 10,850 6,910
0.625 0.095 30,000 75,000 32,759 8,190 13,103 7,734
0.625 0.109 30,000 75,000 40,172 10,043 16,069 8,639
0.750 0.028 30,000 75,000 6,052 1,513 2,421 2,156
0.750 0.035 30,000 75,000 7,721 1,930 3,088 2,669
0.750 0.049 30,000 75,000 11,273 2,818 4,509 3,664
0.750 0.065 30,000 75,000 15,726 3,931 6,290 4,749
0.750 0.083 30,000 75,000 21,318 5,330 8,527 5,905
0.750 0.095 30,000 75,000 25,446 6,362 10,179 6,637
0.750 0.109 30,000 75,000 30,733 7,683 12,293 7,453
0.750 0.120 30,000 75,000 35,294 8,824 14,118 8,064
0.875 0.020 30,000 75,000 3,593 898 1,437 1,340
0.875 0.028 30,000 75,000 5,128 1,282 2,051 1,859
0.875 0.035 30,000 75,000 6,522 1,630 2,609 2,304
0.875 0.049 30,000 75,000 9,459 2,365 3,784 3,172
0.875 0.065 30,000 75,000 13,087 3,272 5,235 4,126
0.875 0.083 30,000 75,000 17,560 4,390 7,024 5,152
0.875 0.095 30,000 75,000 20,803 5,201 8,321 5,807
0.875 0.109 30,000 75,000 24,886 6,221 9,954 6,543
0.875 0.120 30,000 75,000 28,346 7,087 11,339 7,100
1.000 0.028 30,000 75,000 4,449 1,112 1,780 1,633
1.000 0.035 30,000 75,000 5,645 1,411 2,258 2,027
1.000 0.049 30,000 75,000 8,149 2,037 3,259 2,796
1.000 0.065 30,000 75,000 11,207 2,802 4,483 3,647
1.000 0.083 30,000 75,000 14,928 3,732 5,971 4,567
1.000 0.095 30,000 75,000 17,593 4,398 7,037 5,159
1.000 0.109 30,000 75,000 20,908 5,227 8,363 5,827
1.000 0.120 30,000 75,000 23,684 5,921 9,474 6,336
1.000 0.134 30,000 75,000 27,459 6,865 10,984 6,963
1.250 0.035 30,000 75,000 4,449 1,112 1,780 1,633
1.250 0.049 30,000 75,000 6,380 1,595 2,552 2,260
1.250 0.065 30,000 75,000 8,705 2,176 3,482 2,958
1.250 0.083 30,000 75,000 11,485 2,871 4,594 3,719
1.250 0.095 30,000 75,000 13,443 3,361 5,377 4,213
1.250 0.109 30,000 75,000 15,843 3,961 6,337 4,776
1.250 0.120 30,000 75,000 17,822 4,455 7,129 5,207
1.250 0.134 30,000 75,000 20,468 5,117 8,187 5,742
1.500 0.035 30,000 75,000 3,671 918 1,469 1,367
1.500 0.049 30,000 75,000 5,243 1,311 2,097 1,896
1.500 0.065 30,000 75,000 7,117 1,779 2,847 2,487
1.500 0.083 30,000 75,000 9,333 2,333 3,733 3,136
1.500 0.095 30,000 75,000 10,878 2,719 4,351 3,559
1.500 0.109 30,000 75,000 12,754 3,188 5,101 4,043
1.500 0.120 30,000 75,000 14,286 3,571 5,714 4,416
1.500 0.134 30,000 75,000 16,315 4,079 6,526 4,881
1.500 0.148 30,000 75,000 18,439 4,610 7,375 5,336
1.750 0.035 30,000 75,000 3,125 781 1,250 1,176
1.750 0.049 30,000 75,000 3,864 966 1,546 1,434
1.750 0.065 30,000 75,000 6,019 1,505 2,407 2,146
1.750 0.083 30,000 75,000 7,860 1,965 3,144 2,711
1.750 0.095 30,000 75,000 9,135 2,284 3,654 3,080
1.750 0.109 30,000 75,000 10,672 2,668 4,213 3,504
1.750 0.120 30,000 75,000 11,921 2,980 4,768 3,832
1.750 0.134 30,000 75,000 13,563 3,391 5,425 4,242
1.750 0.148 30,000 75,000 15,268 3,817 6,107 4,645
1.750 0.165 30,000 75,000 17,430 4,357 6,972 5,124
2.000 0.035 30,000 75,000 2,720 680 1,088 1,032
2.000 0.049 30,000 75,000 3,864 966 1,546 1,434
2.000 0.065 30,000 75,000 5,214 1,303 2,086 1,887
2.000 0.083 30,000 75,000 6,788 1,697 2,715 2,387
2.000 0.095 30,000 75,000 7,873 1,968 3,149 2,715
2.000 0.109 30,000 75,000 9,175 2,294 3,670 3,092
2.000 0.120 30,000 75,000 10,227 2,557 4,091 3,384
2.000 0.134 30,000 75,000 11,605 2,901 4,642 3,751
2.000 0.148 30,000 75,000 13,028 3,257 5,211 4,111
2.000 0.165 30,000 75,000 14,820 3,705 5,928 4,542

304 SS Seamless Tubing Types

2 inch 304 SS Tube

2 inch 304 SS Tube

polished 20mm SS tube 304

Polished 20mm SS tube 304

2 Inch Capillary Round 304 Seamless SS Tubes

Mirror finish SS 304 tube

9.0mm AISI 304 seamless SS Tube

9.0mm AISI 304 seamless
SS Tube

Mirror finish SS 304 tube

2 Inch Capillary Round 304 Seamless SS Tubes

24 Inch 304 Erw SS Round Tube

24 Inch 304 Erw SS
Round Tube

ASTM A312 304 SS Tube

ASTM A312 304 SS Tube

304 1.5mm Thick SS Welded Tube

304 1.5mm Thick SS
Welded Tube

SS 304 Mirror Polish Seamless SS Tubes

SS 304 Mirror Polish Seamless
SS Tubes

Material 1.4301 Aisi 304 Coiled Tubing

Material 1.4301 AISI 304 Coiled Tubing

En 1.4301 / Aisi 304 (V2a) Capillary Tube

En 1.4301 / Aisi 304 (V2a)
Capillary Tube

304 Stainless Steel Rectangular Tube

304 Stainless Steel Rectangular Tube

SS 304 Seamless Tube Application

  • Chemical Equipment
  • Heat Exchangers
  • Power Generation
  • Off-Shore Oil Drilling Companies
  • Gas Processing
  • Pharmaceuticals
  • Pulp and Paper Industry
  • Petrochemicals
  • Sea Water Equipment
  • Specialty Chemicals
  • Pharmaceutical Equipment
  • Condensers
application

Enquire Today About Your SS 304 Seamless Tube Requirements! Get Your Custom Quote!

FAQs

Is SS 304 seamless tube suitable for high-pressure applications?

Yes, SS 304 seamless tubes are commonly used in high-pressure and high-temperature applications due to their strength and resistance.

What are the benefits of using SS 304 seamless tubes?

They offer excellent corrosion resistance, good weldability, high strength, and are suitable for use in harsh environments and different temperatures.

Which is better, seamless or ERW pipe?

Seamless pipes are stronger and better for high-pressure uses because they have no welds. ERW pipes are easier and work well for lower pressure

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