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Stainless Steel 304h Welded Tube Manufacturer.
WELDED: DIN 1.4948 Tube | UNS S30409 Tube | JIS SUS 304h Tube | ASTM A249 TP304h Tube | ASTM A269 TP304h Tube | ASTM A270 TP304h Tube | ASTM A688 TP304h Tube | BS 304S51 Tube | EN X6CrNi18-11 Tube
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The Stainless Steel 304H Welded Tubes are primarily developed through cold or hot rolling plate and welding the seam. In order to keep the overall surface smooth and uniform, a scarfing blade is used for the purpose of removing weld flesh. MPJ is a leading Stainless Steel 304h Welded Tube Manufacturer, Supplier and Exporter of India, having a wide range of satisfied client base over decades of dedicated service. We are a global centric brand with a focus of providing high-quality and durable stainless steel in an hassle-free and affordable manner. Our tubing solutions have served clients from various locations across the globe, some of which include Australia, UK, France, Denmark, Finland, Germany, Philippines, Azerbaijan, Israel, Kuwait, Qatar, Indonesia, Japan, Taiwan, Singapore, Lebanon, Hong Kong, Myanmar, North & South Korea, Mauritius, and many more.
The Stainless Steel 304H Welded Tubos comes with an impressive strength and hardness, alongside having a fair electrical resistivity, density and thermal conductivity. The chemical composition of the UNS S30409 welded tubes contain sulphur, nickel, phosphorus, chromium, molybdenum among others. All these elements put together further adds more value to Stainless Steel 304 Welded Tubes in terms of good ductility, weldability, and high tensile and yield strength. Additionally, in comparison to other grades, these tubes are more natural to welding ability, making the transition process easier than ever.
The Stainless Steel 304H Welded Tubes are used by several industries like power generation, petrochemical, offshore oil drilling, pulp and paper, chemical reservoirs, heat exchangers and many more. The Stainless Steel 304H ERW Welded Tubes are used in engineering purposes, scaffolding and fencing. At MPJ, we provide top-notch Stainless Steel 304H Welded Tubes 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 304h Welded Tube Chemical Composition
| Grade | Range | Cr | Ni | C | P | Mn | Si | S | Mo | N |
|---|---|---|---|---|---|---|---|---|---|---|
| 304h | min | 18 | 8 | 0.04 | 0.045 | – | – | – | – | – |
| max | 20 | 10.5 | 0.10 | 0.045 | 2 | 0.75 | 0.030 | – |
SS 304h Welded Tubes Mechanical Properties
| Grade | Yield Strength 0.2% Proof (MPa) min | Tensile Strength (MPa) min | Elongation (% in 50mm) min | Hardness | |
|---|---|---|---|---|---|
| Brinell (HB) max | Rockwell B (HR B) max | ||||
| 304h | 205 | 515 | 40 | 92 | 201 |
SS ASTM A249 TP304h Welded Tubing Equivalent Grades
| Grade | UNS No | Old British | Euronorm | Japanese JIS | Swedish SS | GOST | ||
|---|---|---|---|---|---|---|---|---|
| BS | En | No | Name | |||||
| 304h | S30409 | 304S51 | – | 1.4948 | X6CrNi18-11 | – | – | – |
304h 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).
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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.
304h 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 Stainless Steel 304h Welded Tube supplied.
Brand – 
SS 304h 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 304h Welded Tubes Packing & Documentation
ASTM A269 TP304h 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 304h 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 304h Welded Tube and SS 304h Welded Tubo 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 304h 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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