With in-house quality Testing and Certification, You can count on quality materials delivered with proper documentation.
Stainless Steel 304 Welded Tube Manufacturer.
WELDED: DIN 1.4301 Tube | UNS S30400 Tube | JIS SUS 304 Tube | ASTM A249 TP304 Tube | ASTM A269 TP304 Tube | ASTM A270 TP304 Tube | ASTM A688 TP304 Tube | BS 304S31 Tube | EN X5CrNi18-10 Tube | GOST 08Х18Н10 Tube
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The Stainless Steel 304 Welded Tubes are formed by welding seam longitudinally with or without a filler, which can further be hot or cold rolled in order to get beneficial properties. MPJ is one of the most popular and sought after Stockists, Exporters and Manufacturers of Stainless Steel 304 Welded Tube, trusted by a huge number of satisfied consumers. Our products are subject to efficient technology and expertise, which adds remarkable value to our services. As an esteemed brand, We primarily focus on providing our products at an affordable rate and stress-free manner. Due to effective quality, our products have been widely accepted in various countries like Germany, Netherlands, Spain Slovakia, Denmark, Switzerland, Portugal, Belgium, Hungary, Sweden, Turkey, Azerbaijan, Qatar, Kuwait, Oman, Saudi Arabia, Jordan, Singapore, Thailand, Myanmar, Mauritius.
The Stainless Steel 304 Welded Tubos are specifically manufactured by incorporating more expensive elements like chromium and nickel, with relatively higher proportion of inexpensive carbon content. If the Stainless Steel 304 ERW Welded Tubes are heated between the temperature range 800 degrees F (427 c) to 1650 F (899 C) or rapidly cooled through the same, then the grade can achieve intergranular corrosion. Furthermore, The Stainless Steel 304 ERW Tubes contain up to 0.08 % carbon, which makes it subject to sensitisation and corrosion after heating to about 650 °C.
The Stainless Steel 304 Welded Tubes are used in a variety of industries as they offer a wide range of desirable properties. Some of the common industries that utilise the UNSS30400 Welded Tubes include pulp and paper industry, pharmaceuticals, offshore drilling industry, petrochemicals industry, automobile industry, marine engineering, oil and gas industry, etc. As an esteemed venture, MPJ provides high quality Stainless Steel 304 Welded Tubos with an outer diameter of 6.00 mm to 101.40 mm, wall thickness ranging from 0.50 mm to 8.00 mm, and length going upto 30 metres. The specifications that we deal in include ASTM, ASME, DIN EN (Germany), NF (AFNOR) and JIS (Japan). Our supplied tubes are NDT Tested, have lower stress value and special chemistry. The grit polish polish measure ranges from 120 to 600 and the supply condition is bright annealed/solution annealed and passivated.
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Stainless Steel 304 Welded Tube Chemical Composition
| Grade | Range | Cr | Ni | C | Mn | S | Si | P | Mo |
|---|---|---|---|---|---|---|---|---|---|
| 304 | min | 18 | 8 | – | – | – | – | – | – |
| max | 20 | 10.5 | 0.08 | 2 | 0.030 | 0.75 | 0.045 |
SS 304 Welded Tubes Mechanical Properties
| Grade | Tensile Strength min (MPa) | Yield Strength 0.2% Proof min (MPa) | Hardness | Elongation (% in 50mm) min | |
|---|---|---|---|---|---|
| Brinell max (HB) | Rockwell B max (HR B) | ||||
| 304 | 515 | 205 | 201 | 92 | 40 |
SS ASTM A270 TP304 Welded Tubing Equivalent Grades
| Grade | UNS No | Old British | Euronorm | Japanese JIS | Swedish SS | GOST | ||
|---|---|---|---|---|---|---|---|---|
| BS | En | No | Name | |||||
| 304 | S30400 | 304S31 | 58E | 1.4301 | X5CrNi18-10 | SUS 304 | 2332 | 08Х18Н10 |
304 Stainless Steel Welded Tubes Standard Specifications
Spec. No.
Title
Scope
ASTM A249
Standard Specification for Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes.
ASTM A249 / A249M Covers nominal-wall-thickness welded tubes and heavily cold worked welded tubes made from the austenitic steels listed in standard.
ASTM A270
Welded Austenitic and Ferritic/Austenitic Stainless Steel 304 Sanitary Tubing.
This specification covers grades of seamless, welded, and heavily cold worked welded austenitic and ferritic/austenitic stainless steel sanitary
tubing intended for use in the dairy and food industry and having special surface finishes.
ASTM A688
Welded Austenitic Stainless Steel 304 Feedwater Heater Tubes
ASTM A688 Standard Specification for Seamless and Welded Austenitic Stainless Steel 304 Feedwater Heater Tubes covers standard requirements for welded austenitic stainless steel feedforward heater tubes including those bent.
ASTM A269
Austenitic Stainless Steel 304 Welded Tubing for General Service.
13 grades of austenitic stainless steel tubing for general corrosion-resisting and high-temperature service. (Types 304, 304L, 316, 316L, 317, 321, 347, 348 and XM grades).
Let’s discuss about your ongoing project
Size Range
- Outer Diameter: 6.00 mm OD to 101.40 mm OD
- Wall Thickness: 0.50 mm to 8.00 mm
- Length: Up to 30 meters
- Specifications: ASTM, ASME, DIN EN (GERMAN), NF (AFNOR), JIS (JAPAN)
Supply Condition
- Bright Annealed / Solution Annealed & Passivated
Features
- Ability to supply tubes with stringent NDT Testing, Special Chemistry, Lower Residual Stress values.
- OD Polishing : Grit Polish from 120 to 600.
- Closer Dimensional Tolerance & higher Corrosion Resistance etc.
- We offer customized cut Length to save time of our customers.
304 SS Welded Tube Quality Control
To ensure a quality product, MPJ is holding certificate ISO 9001:2015, ISO 45001, OHSAS 14001, & CE-PED. We are also members of various renowned agencies and Chambers of Commerce including MASSMA, EEPC, FICCI, FIEO, Indian Merchants Chamber, etc. With state-of-the-art manufacturing processes, contemporary technologies, and proficient services, we consider: offering the finest quality, best in class products. Compliance with specifications as per standards, Outer Diameter, Thickness, Inside Diameter, Inside Finish, Marking, Ends, and Finishing. This ensures that we never face a rejection of the ASTM A688 Stainless Steel 304 Welded Tube supplied.
Brand – 
SS 304 Welded Tubing are marked in requirement of the international standards.
Format: ” BRAND-SIZE-SPECIFICATION-GRADE-HEAT NUMBER-LOT NUMBER “
This marking helps for the identification of the tube and supported with the Material Test Report. It is 100% traceable to our mill.
Available Stainless Steel Welded Tubing Grades
Stainless Steel 304 Welded Tubes Packing & Documentation
ASTM A269 TP304 Welded Tubes are surface wash and clean to remove all impurities and stock in the warehouse. Then it is wrapped in thin plastic and also it ends are protected by plastic caps to avoid any damage in transit. Stainless Steel 304 Welded Tube is bundled in bubble wrap followed by assorting them in colored plastic bundles. An outer rope is tied to protect the tubing and they are packed in wooden box or container.
MPJ Provide Stainless Steel 304 Welded Tube and SS 304 Welded Tubes with all necessary documents such as commercial invoice, packing list, Test Reports, HS Code, Country of Origin attested by the chamber of commerce, Fumigation Certificate, Warranty Letter, and Base Material Certificates. Every lot is supplied with a material test certificate as per EN 10204 NACE 3.1 standards indicating the chemical and mechanical properties of the Instrumentation Tubes.
We also confirm the guarantee of the Welded tubes supplied as per Purchase order specifications and attest the same in the Material Test Certificate. We also welcome any third party inspection from an agency nominated by the customer to comply with NACE 3.2 Certification if required by the customer at an extra cost.
SS 304 Welded Tube Application Industries
- Oil & Gas Exploration
- Petrochemicals and Refineries
- Cross Country Pipe Line for Gas & Water
- Pipes for Engineering purpose
- Thermal, Nuclear and Solar Power Plants
- Desalination Plants
- Chemical Industries
- Aerospace
- Atomic Energy
- Pharmaceutical
- Food and Dairy
- Automobile
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