Stainless Steel 304 Welded Tube

Neeka Tubes is a trusted manufacturer and supplier of SS 304 welded tubing, providing reliable and durable products to customers worldwide. Stainless steel 304 welded tubing is known for its flexibility, corrosion resistance, and long life. It offers excellent strength and weldability, which helps to prevent oxidation and ensures consistent performance in a wide range of applications.

Our UNS S30400 welded tubing contains 18–20% Chromium, 8–10.5% nickel, and a maximum of 0.08% Carbon, giving it strong corrosion resistance, and stability. It delivers a minimum tensile strength of 515 MPa, a yield strength of 205 MPa, and 40% elongation. The maximum hardness is 92 on the Rockwell B scale and 201 on the Brinell scale. We offer tubing with exterior diameters ranging from 6 mm to 5 inches and wall thicknesses up to 10 mm, ensuring a wide range of solutions for various industrial needs.

Table of Content

Most Common Types of SS 304 Welded Tubing
SS 304 Welded Tubing Specifications
SS 304 Welded Tubing Properties
SS 304 Welded Tubing Dimensions
SS 304 Welded Tubing Weight Chart
SS 304 Welded Tubing Packing & Marking
Industrial Application of SS 304 Welded Tubing

Premium Grade SS 304 Welded Tubes, Best Deals On SS UNS S30400 Welded Tube, ASTM A249 TP304 Stainless Steel Tube, Stainless steel 304 Tube Suppliers, The largest Stockist of 304 Stainless Steel Welded Tube in Mumbai.

Key Features of Stainless Steel 304 Welded Tubing

Corrosion Resistance – Excellent resistance to oxidation and rust.
High Strength & Durability – Ensures long service life under extreme conditions.
Excellent Weldability – Supports various welding processes with ease.
Temperature Resistance – Performs well under high and low temperatures.
Smooth Surface Finish – Ideal for hygienic and high-precision applications.

The SS 304 Welded tubing is used in various sectors like chemical, food and beverage, pharmaceutical, marine, heat exchanging, and oil and natural gas applications. Due to its high corrosion resistance, it can be used in water treatment plants as well as automotive exhaust systems. It is also used in structural applications and architectural frameworks due to its durability and aesthetic finish. If you’re exploring additional welded tubing solutions, you can also check out our Stainless Steel Welded Tubing options for more flexibility and choice.

Most Common Types of SS 304 Welded Tubing

SS 304 Welded Tubing Specifications

Standard Specification	ASTM /ASME A269, A249 /SA269, SA249
Manufacturing Type	ERW / Welded / Fabricated / CDW / DOM / CEW / 100% X Ray Welded
Delivery Condition	Annealed and Pickled (AP), Polished, Bright Annealed (BA), Cold Drawn, MF
Surface Finish	BA, 2B, No.4, No.1, No.3, No.8, 8K, HL, 2D, 1D, Mirror Polished, 180G, 320G, 400G Satin/ Hairline, 400G, 500G, 600G or 800G Mirror finish ASME SA249 Standard Tubing or Custom Finish as per customer’s specification
Outside Diameter (OD)	6 to 304.8 mm
Wall Thickness Range	0.5 to 6 mm
Standard	SUS, JIS, AISI, ASTM, GB, DIN, EN
Value Added Services	Cutting Beveling Threading Polishing (Electro & Commercial) Draw & Expansion as per required Size & Length Destructive and Non Destructive Ultrasonic Testing Annealed & Pickled Bending
Processing Service	Bending, Welding, Decoiling, Punching, Cutting, Moulding
Technique	Welded Austenitic Steel Cold drawn, Cold rolled, Hot rolled, Extrusion Tube
Tolerance	Outer Diameter: +/- 0.2mm Thickness: +/- 10% OR as customer request Length: +/- 10mm
Test Certificate	DFARS compliant EN 10204/3.1B, EN 10204 3.1 and EN 10204 3.2 Material Test Certificates (MTC) 100% Radiography Test Report Raw Materials Certificate Third Party Inspection Report Fumigation Certificates Heat Treatment Charts HS Code Commercial Invoice Form A for Generalized System of Preferences (GSP) Manufacturer Test Certificate Moisture testing Surface roughness measurement Laboratory Test Certificate from Govt. Approved Lab
Packaging	Packed in PE Fabric Bundles or ply wooden box wrapped in plastic or Standard seaworthy export packing or as per customers’ request

Premium Grade 304 Stainless Steel Welded Tube, Best Deals On SS UNS S30400 Welded Tube, 304 Stainless Steel Welded Tube, Stainless Steel 304 Welded Tubes Manufacturer.

SS 304 Welded Tubing Chemical Composition

Nickel	Molybdenum	Chromium	Iron	Tungsten	Cobalt	Manganese	Vanadium	Silicon	Phosphorus	Sulfur	Carbon
99.0% min.	0.25% max.	0.40% max.	0.35% max.	0.15% max.	0.35% max.	0.35% max.	0.35% max.	0.35% max.	0.35% max.	0.35% max.	0.01% max.

SS 304 Welded Tubing Mechanical Properties

Density	Melting Point	Tensile Strength	Yield Strength (0.2%Offset)	Elongation
8.0 g/cm3	1400 °C (2550 °F)	Psi – 75000 , MPa – 515	Psi – 30000 , MPa – 205	35 %

Equivalent Grade for SS 304 Welded Tubing

STANDARD	WERKSTOFF NR.	UNS	JIS	BS	GOST	AFNOR	EN
SS 304	1.4301	S30400	SUS 304	304S31	08Х18Н10	Z7CN18‐09	X5CrNi18-10

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SS 304 Welded Tubing Dimensions

OD inches	Ave. Wall inches	D/t Ratio	ID inches	Tube Cross Sectional Area (in2)	Internal Area (in2)
0.250	0.020	12.50	0.210	0.0145	0.0346
0.250	0.028	8.93	0.194	0.0195	0.0296
0.250	0.035	7.14	0.180	0.0236	0.0254
0.250	0.049	5.10	0.152	0.0309	0.0181
0.250	0.065	3.85	0.120	0.0378	0.0113
0.375	0.020	18.75	0.335	0.0223	0.0881
0.375	0.028	13.39	0.319	0.0305	0.0799
0.375	0.035	10.71	0.305	0.0374	0.0731
0.375	0.049	7.65	0.277	0.0502	0.0603
0.375	0.065	5.77	0.245	0.0633	0.0471
0.500	0.020	25.00	0.460	0.0302	0.1662
0.500	0.028	17.86	0.444	0.0415	0.1548
0.500	0.035	14.29	0.430	0.0511	0.1452
0.500	0.049	10.20	0.402	0.0694	0.1269
0.500	0.065	7.69	0.370	0.0888	0.1075
0.500	0.083	6.02	0.334	0.1087	0.0876
0.625	0.020	31.25	0.585	0.0380	0.2688
0.625	0.028	22.32	0.569	0.0525	0.2543
0.625	0.035	17.86	0.555	0.0649	0.2419
0.625	0.049	12.76	0.527	0.0887	0.2181
0.625	0.065	9.62	0.495	0.1144	0.1924
0.625	0.083	7.53	0.459	0.1413	0.1655
0.625	0.095	6.58	0.435	0.1582	0.1486
0.625	0.109	5.73	0.407	0.1767	0.1301
0.750	0.028	26.79	0.694	0.0635	0.3783
0.750	0.035	21.43	0.680	0.0786	0.3632
0.750	0.049	15.31	0.652	0.1079	0.3339
0.750	0.065	11.54	0.620	0.1399	0.3019
0.750	0.083	9.04	0.584	0.1739	0.2679
0.750	0.095	7.89	0.560	0.1955	0.2463
0.750	0.109	6.88	0.532	0.2195	0.2223
0.750	0.120	6.25	0.510	0.2375	0.2043
0.875	0.020	43.75	0.835	0.0537	0.5476
0.875	0.028	31.25	0.819	0.0745	0.5268
0.875	0.035	25.00	0.805	0.0924	0.5090
0.875	0.049	17.86	0.777	0.1272	0.4742
0.875	0.065	13.46	0.745	0.1654	0.4359
0.875	0.083	10.54	0.709	0.2065	0.3948
0.875	0.095	9.21	0.685	0.2328	0.3685
0.875	0.109	8.03	0.657	0.2623	0.3390
0.875	0.120	7.29	0.635	0.2846	0.3167
1.000	0.028	35.71	0.944	0.0855	0.6999
1.000	0.035	28.57	0.930	0.1061	0.6793
1.000	0.049	20.41	0.902	0.1464	0.6390
1.000	0.065	15.38	0.870	0.1909	0.5945
1.000	0.083	12.05	0.834	0.2391	0.5463
1.000	0.095	10.53	0.810	0.2701	0.5153
1.000	0.109	9.17	0.782	0.3051	0.4803
1.000	0.120	8.33	0.760	0.3318	0.4536
1.000	0.134	7.46	0.732	0.3646	0.4208
1.250	0.035	35.71	1.180	0.1336	1.0936
1.250	0.049	25.51	1.152	0.1849	1.0423
1.250	0.065	19.23	1.120	0.2420	0.9852
1.250	0.083	15.06	1.084	0.3043	0.9229
1.250	0.095	13.16	1.060	0.3447	0.8825
1.250	0.109	11.47	1.032	0.3907	0.8365
1.250	0.120	10.42	1.010	0.4260	0.8012
1.250	0.134	9.33	0.982	0.4698	0.7574
1.500	0.035	42.86	1.430	0.1611	1.6061
1.500	0.049	30.61	1.402	0.2234	1.5438
1.500	0.065	23.08	1.370	0.2930	1.4741
1.500	0.083	18.07	1.334	0.3695	1.3977
1.500	0.095	15.79	1.310	0.4193	1.3478
1.500	0.109	13.76	1.282	0.4763	1.2908
1.500	0.120	12.50	1.260	0.5202	1.2469
1.500	0.134	11.19	1.232	0.5750	1.1921
1.500	0.148	10.14	1.204	0.6286	1.1385
1.750	0.035	50.00	1.680	0.1886	2.2167
1.750	0.049	40.82	1.902	0.3003	2.8413
1.750	0.065	26.92	1.620	0.3441	2.0612
1.750	0.083	21.08	1.584	0.4347	1.9706
1.750	0.095	18.42	1.560	0.4939	1.9113
1.750	0.109	16.06	1.532	0.5619	1.8433
1.750	0.120	14.58	1.510	0.6145	1.7908
1.750	0.134	13.06	1.482	0.6803	1.7250
1.750	0.148	11.82	1.454	0.7449	1.6604
1.750	0.165	10.61	1.420	0.8216	1.5837
2.000	0.035	57.14	1.930	0.2161	2.9255
2.000	0.049	40.82	1.902	0.3003	2.8413
2.000	0.065	30.77	1.870	0.3951	2.7465
2.000	0.083	24.10	1.834	0.4999	2.6417
2.000	0.095	21.05	1.810	0.5685	2.5730
2.000	0.109	18.35	1.782	0.6475	2.4941
2.000	0.120	16.67	1.760	0.7087	2.4328
2.000	0.134	14.93	1.732	0.7855	2.3561
2.000	0.148	13.51	1.704	0.8611	2.2805
2.000	0.165	12.12	1.670	0.9512	2.1904

SS 304 Welded Tubing Weight Chart

Diameter Outside- A x material- thickness t (mm)	Weight kg/meter	Diameter Outside- A x thickness- stärke t (mm)	Weight kg/meter
12×2	0,51	57×3	4,11
17×1,5	0,77	63,5×2	2,36
17×2	0,93	70×1,5	2,61
18×1	0,43	70×2	3,45
18×1,5	0,63	70×3	5,11
18×2	0,81	75×2	3,71
20×1	0,48	76,1×1,6	3,03
20×1,5	0,70	76,1×2	3,76
20×2	0,91	76,1×2,6	4,85
14×1	0,33	60,3×2	2,96
14×1,5	0,48	60,3×2,6	3,81
15×1	0,36	60,3×2,9	4,23
15×1,5	0,51	60,3×3	4,37
15×2	0,66	60,3×3,3	4,71
16×1	0,38	60,3×3,6	5,18
16×1,5	0,55	60,3×4	5,72
16×2	0,71	60,3×5	7,02
17×1	0,60	63,5×1,5	2,36
10×1	0,23	54×2	2,64
10×1,5	0,32	55×2	2,69
12×1	0,28	57×1,5	2,11
20×3	1,30	76,1×3	5,39
21,3×1	0,80	76,1×3,7	6,72
21,3×1,5	0,98	80×1,5	2,99
21,3×2,6	1,23	80×2	3,96
22×1	0,53	80×3	5,87
6×1	0,13	53×1,5	1,96
8×1	0,18	54×1,5	2,00
13×1	0,30	60,3×1	1,51
13×1,5	0,44	60,3×1,5	2,24
12×1,5	0,40	57×2	2,79
22×1,5	0,78	80×4	7,72
23×2	1,07	84×2	4,17
24×1	0,86	85×2	4,22
24×1,5	0,58	88,9×2	4,41
25×1	0,61	88,9×2,6	5,70
25×1,5	0,90	88,9×3	6,55
25×2	1,17	88,9×3,1	6,65
25×2,5	1,43	88,9×4	8,63

SS 304 Welded Tubing Packing & Marking

Delivery & Marking Details

In order to protect the 304 stainless steel welded tubes from being damaged during transportation, we bundle them or pack them in wooden cases. Proper labelling ensures heat number, grade, size and specifications are mentioned. We provide fast and efficient delivery ensures timely supply to customers worldwide, maintaining high standards of quality and service.

Quality Tests

Our UNS S30400 stainless steel tubing undergoes various quality checks, including hydro testing and destructive and non-destructive tests, as per customer requirements. We also provide test certificates as per EN 10204 3.1, ensuring compliance with industry standards. These tests guarantee reliability, performance and durability.

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Industrial Application of SS 304 Welded Tubing

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Stainless Steel 304 Welded Tube

Premium Grade SS 304 Welded Tubes, Best Deals On SS UNS S30400 Welded Tube, ASTM A249 TP304 Stainless Steel Tube, Stainless steel 304 Tube Suppliers, The largest Stockist of 304 Stainless Steel Welded Tube in Mumbai.

Most Common Types of SS 304 Welded Tubing

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