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Stainless Steel 304h Welded U Tube Manufacturer.
WELDED: DIN 1.4948 U Tube | UNS S30409 U Tube | JIS SUS 304h U Tube | ASTM A249 TP304h U Tube | ASME SA249 SS 304h U Tube | BS 304S51 U Tube | EN X6CrNi18-11 U Tube

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Lorem Ipsum is simply dummy text of the printing and typesetting industry. Lorem Ipsum has been the industry’s standard dummy text ever since the 1500s, when an unknown printer took a galley of type and scrambled it to make a type specimen book. It has survived not only five centuries, but also the leap into electronic typesetting, remaining essentially unchanged. It was popularised in the 1960s with the release of Letraset sheets containing Lorem Ipsum passages, and more recently with desktop publishing software like Aldus PageMaker including versions of Lorem Ipsum.
Lorem Ipsum is simply dummy text of the printing and typesetting industry. Lorem Ipsum has been the industry’s standard dummy text ever since the 1500s, when an unknown printer took a galley of type and scrambled it to make a type specimen book. It has survived not only five centuries, but also the leap into electronic typesetting, remaining essentially unchanged. It was popularised in the 1960s with the release of Letraset sheets containing Lorem Ipsum passages, and more recently with desktop publishing software like Aldus PageMaker including versions of Lorem Ipsum.
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Stainless Steel 304h Welded U 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 U 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 U 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 U 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.
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Size Range
- Outer Diameter: 12.70 mm to 50.80 mm
- Wall Thickness: 0.71 mm – 5.0 mm
- Length: Up to 30mtr long
- 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.
304h SS Welded U 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 U Tube supplied.
Brand – 
SS 304h Welded U 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 welded u tube and supported with the Material Test Report. It is 100% traceable to our mill.
Available Stainless Steel Welded U Tubing Grades
Stainless Steel 304h Welded U Tubes Packing & Documentation

ASTM A249 TP304h Welded U 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 U 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 U Tube and SS 304h Welded U 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 Welded U Tubes.
We also confirm the guarantee of the Welded U 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 U 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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