With in-house quality testing and certification, you can count on quality materials delivered with proper documentation.
Stainless Steel 321/321h EFW Tube Manufacturer.
EFW: DIN 1.4541 Tube | UNS S32100 Tube | JIS SUS 321 Tube | ASTM A249 TP321 Tube | ASTM A269 TP321h Tube | ASTM A270 TP321 Tube | ASTM A688 TP321h Tube | BS 321S31 Tube | EN X6CrNiTi18-10 Tube | DIN 1.4878 Tube
SS S32100 EFW Tube, ASTM A249 TP321 SS EFW Tubes, Stainless Steel 321h EFW Tubes, Stainless Steel 1.4541 EFW Tube, ASME SA269 SS 321 EFW Tubing, 321h SS EFW Tube Manufacturer in India, SS 321 EFW Tubes Supplier in Qatar, Steel 321h EFW Tubes Exporter in Australia, ASTM A270 TP321 Stainless Steel EFW Tubes, Stainless Steel 321h EFW Tubing.
The Stainless Steel 321 EFW Tubes are a titanium-centric austenitic stainless steel, having higher overall corrosion resistance. On the other hand, the Stainless Steel 321H EFW Tubes are a higher carbon version of the same alloy. MPJ, a renowned supplier, manufacturer and exporter of Stainless Steel 321/321h EFW Tube, provides the best quality tubing products and solutions in an affordable range of pricing. Our brand is a global centric entity, highly focused towards providing the best out of all in the market. Due to efficient offerings pertaining to high-quality and durable stainless steel, our brand has been globally recognised as we are among the top exporters in countries such as UK, Australia, Spain, Slovakia, France, Germany, Netherlands, Nigeria, Tunisia, Namibia, Zimbabwe, Ethiopia, Mauritius, South Africa, Syria, Jordan, UAE, Lebanon, Thailand.
The Stainless Steel 321/321H EFW Tubos have effective resistance levels to intergranular corrosion at elevated temperature, in the presence of chromium carbide. The Stainless Steel UNS S32100/S32109 EFE Tubes are not meant for hardened heat treatment, but can be efficiently welded and machined for standard fabrication and uses. Other properties of the Stainless Steel 321/321H EFW Tubes include prevention of polythionate stress corrosion cracking, effectiveness in caustic solutions at moderate temperatures, provides high durability and longevity, performs well in the presence of chloride solutions, even in low concentration of sulfuric acid service, among many others.
The Stainless Steel 321H EFW Tubes are used by a wide range of industries, out of which the frequent ones include petrochemicals, heat exchangers, oil and gas industry, boilers, marine engineering, mechanical equipments, condensers, pulp and paper industry, power generation, automotive industry, steamers, mineral processing, among others. MPJ offers the best quality stainless steel EFW tubes that have 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 welded and bead rolled, bright annealed/solution annealed and passivated.
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Stainless Steel 321/321h EFW Tube Chemical Composition
| Grade | Range | Ni | Cr | P | Fe | C | Mn | N | Si | S | Ti |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 321 | Min. | 9.0 | 17.0 | 0 | 65.045 | – | – | – | – | – | – |
| Max. | 12.0 | 19.0 | 0.045 | – | 0.08 | 2.0 | 0.10 | 1.0 | 0.030 | 5(C+N) -0.70 | |
| 321H | Min. | 9.0 | 17.0 | – | 65.25 | 0.04 | – | – | – | – | – |
| Max. | 12.0 | 19.0 | 0.045 | 0.010 | 2.00 | 0.10 | 1.00 | 0.030 | 4(C+N) -0.70 |
SS 321/321h EFW 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) | ||||
| 321/321h | 515 | 205 | 217 | 95 | 40% |
SS ASTM A249 TP321h EFW Tubing Equivalent Grades
| Grade | UNS No | Old British | Euronorm | Japanese JIS | Swedish SS | GOST | ||
|---|---|---|---|---|---|---|---|---|
| BS | En | No | Name | |||||
| 321 | S32100 | 321S31 | X6CrNiTi18-10 | 1.4541 | – | SUS 321 | 2337 | – |
| 321h | S32109 | 321S51 | X10CrNiTi18-10 | 1.4878 | – | SUS 321h | – | – |
321/321h Stainless Steel EFW 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.
321/321h SS EFW 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 321h EFW Tube supplied.
Brand – 
SS 321 EFW 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 EFW Tubing Grades
Stainless Steel 321 EFW Tubes Packing & Documentation
ASTM A269 TP321h EFW 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 321 EFW 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 321 EFW Tube and SS 321hL EFW 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 EFW 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 321/321h EFW 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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