With in-house quality testing and certification, you can count on quality materials delivered with proper documentation.
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Stainless Steel 321 Welded Coil Tubing Manufacturer.
WELDED/EFW: DIN 1.4541 Coil Tubing | UNS S32100 Coil Tube | JIS SUS 321 Coil Tube | ASTM A249 TP321 Coil Tubing | ASME SA269 SS 321 Coil Tube | BS 321S31 Coil Tube | EN X6CrNiTi18-10 Coil Tube | DIN 1.4541 Coil Tubing
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MPJ Tubing Solutions LLP, a renowned player in the tubing manufacturing and export industry, is delighted to present Stainless Steel 321 Welded/EFW Coil Tubing, a versatile solution catering to a wide spectrum of industrial requirements. The company’s steadfast commitment to precision and excellence is evident through their stringent adherence to industry-leading standards, including ASTM A249 and ASTM A269, ensuring their products consistently meet the highest quality and performance benchmarks.
Stainless Steel 321 Welded/EFW Coil Tubing, commonly referred to as ASTM A269 TP321 SS Welded Coil Tubes, stands as a reliable and robust solution suitable for diverse industrial applications. With a strong reputation for exports to Australia and beyond, MPJ Tubing Solutions LLP provides coil tubes with a comprehensive range of dimensions, featuring outer diameters ranging from 1/8 to 1 inch and wall thicknesses spanning from 0.25 mm to 2.0 mm.
These coil tubes are engineered to deliver exceptional performance in demanding environments, making them a preferred choice for critical applications. The extensive range of dimensions ensures adaptability across various industrial sectors and project specifications.
MPJ Tubing Solutions LLP’s unwavering commitment to precision, quality, and innovation has positioned them as a dependable partner for businesses in need of top-tier coil tubing solutions. Their dedication extends to adhering to international standards, including DIN EN (GERMAN), NF (AFNOR), and JIS (JAPAN), underscoring their focus on delivering products that seamlessly integrate into global operations.
In conclusion, MPJ Tubing Solutions LLP’s Stainless Steel 321 Welded/EFW Coil Tubing reflects their commitment to providing high-performance tubing solutions. These products are engineered not just to meet industry standards but to exceed them, establishing MPJ Tubing Solutions LLP as a reputable name in the manufacturing and export of coil tubing. With a steadfast focus on quality, customization, and compliance with international standards, the company continues to be a prominent player in the manufacturing and export of top-quality tubing solutions.
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Stainless Steel 321 Welded Coil Tubing Chemical Composition
| Grade | Range | Ni | Cr | P | C | Mn | N | Si | S | Ti |
|---|---|---|---|---|---|---|---|---|---|---|
| 321 | Min. | 9.0 | 17.0 | 0 | – | – | – | – | – | – |
| Max. | 12.0 | 19.0 | 0.045 | 0.08 | 2.0 | 0.10 | 1.0 | 0.030 | 5(C+N) -0.70 |
SS 321 Welded Coil Tubing 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 | 515 | 205 | 217 | 95 | 35% |
SS ASTM A249 TP321 Welded Coil 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 | – |
321 Stainless Steel Welded Coil 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 A269
Austenitic Stainless Steel Coil 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: 1/8 to 1 in
- Wall Thickness: 0.25 mm – 2.0 mm
- Length: upto 6000 ft. (1830 Mtrs)
- Specifications: ASTM, ASME, DIN EN (GERMAN), NF (AFNOR), JIS (JAPAN)
Supply Condition
- Bright Annealed / Solution Annealed & Passivated
Features
- Tightly controlled OD wall thickness and ovality for better tube fi tting installations.
- Hardness: Rockwell hardness (HRb) less that 80 for better tube fi tting grip and easier bending.
- We offer customized cut Length to save time of our customers.
321 SS Welded Coil 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 321 EFW Coil Tubing supplied.
Brand – 
SS 321 EFW Coil 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 Coil Tubing and supported with the Material Test Report. It is 100% traceable to our mill.
Available Stainless Steel Welded Coil Tubing Grades
Stainless Steel 321 ERW Coil Tubing Packing & Documentation
ASTM A269 TP321 Welded Coil 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 Coil 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 Welded Coil Tube and SS 321 Welded Coil 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 321 SS EFW Coil Tubing.
We also confirm the guarantee of the SS 321 Welded Coil 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 EFW Coil Tubing 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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