Stainless Steel 304 Seamless Tubes

Stainless Steel 304 Seamless Tubes

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SS 304 Seamless Tube Manufacturer & Supplier in India
SS 304 Seamless Tube Specification
304 SS Seamless Tubing Chemical Composition
Seamless 304 Stainless Steel Tubing Mechanical Properties
304 SS Seamless Tubing Physical Properties
SS 304 Seamless Tube Equivalent Grades
SS 304 Seamless Tube Sizes
Seamless 304 Stainless Steel Tubing Dimensions
SS 304 Seamless Tube Pressure Rating
304 SS Seamless Tubing Types
SS 304 Seamless Tube Application
FAQs

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SS 304 Seamless Tube Manufacturer & Supplier in India

Stainless steel 316 welded capillary tube

Stainless Steel 304 Tube

ASME SA213 TP304 seamless tube

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.

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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	–
304	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)
Grade	Elastic Modulus	Density	0-3150C	0-1000C	at 1000C	0-5380C	at 5000C	Electrical Resistivity (n.m)	Specific Heat 0-1000C (J/kg.K)
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″
1/8″
3/8″
3/4″
1/2″

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
1/8	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

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

2 Inch Capillary Round 304 Seamless SS Tubes

24 Inch 304 Erw SS
Round Tube

ASTM A312 304 SS Tube

304 1.5mm Thick SS
Welded Tube

SS 304 Mirror Polish Seamless
SS Tubes

Material 1.4301 AISI 304 Coiled Tubing

En 1.4301 / Aisi 304 (V2a)
Capillary Tube

304 Stainless Steel Rectangular Tube

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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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