With in-house quality testing and certification, you can count on quality materials delivered with proper documentation.
Stainless Steel 321 Seamless Coiled Tube Manufacturer.
SEAMLESS: DIN 1.4541 Coiled Tube | UNS S32100 Coiled Tube | JIS SUS 321 Coiled Tube | ASTM A213 TP321 Coiled Tube | ASME SA269 SS 321 Coiled Tube | BS 321S31 Coiled Tube | EN X6CrNiTi18-10| DIN 1.4541 Coiled Tube
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MPJ is a trusted firm amongst all well-reputed steel pipes and tubing Manufacturing and Export companies on national and international grounds. We Produce, Stock, and Supply a comprehensive range of robust Stainless Steel 321 Seamless Coiled Tube that are acclaimed for excellent quality and sweeping applications. Further, We became a brand in several overseas countries like Russia, Jordan, Syria, the Netherland, and more for delightfully delivering reliability, durability, steadfastness, and commitment.
Let us come to the features of SS 321 Seamless Coiled Tubes. These are slightly improved products in our wide range of coiled tubos with enhanced heat and corrosion-resistant structures. This product can highly tolerate strong oxidizing environments with maximum benefits and stabilization. We have added immense innovation in making Stainless Steel 321 Seamless Coiled Tube. Also, the design of the wall thickness is unparalleled. It is, however, variable between 0.70 mm to 2.00 mm or more, as per your industry requirements. These tubos have elevated yield strength as well as tensile strength, making them exhaustively powerful for heavy industrial uses.
Since we have indulged our creation, expertise, and experience in making SS 321 Seamless Coiled Tube, the hardness is on-demand! And, comparatively, it comes in a very affordable range, which is floating. Since we offer customization according to specific industrial applications and operations, the price can paddle, too. It is the best sterilizing solution and a perfect blend of industrial chemicals (which is safe), making it resistant to atmospheric corrosion.
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Stainless Steel 321 Seamless Coiled Tube 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 Seamless Coiled 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 | 515 | 205 | 217 | 95 | 35% |
SS ASTM A213 TP321 Seamless Coiled 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 Seamless Coiled Tubes Standard Specifications
Spec. No.
Title
Scope
ASTM A213
Seamless Ferritic Stainless Steel and Austenitic Stainless Steel Tubes.
Pressure tubes, made from 16 grades of austenitic stainless steel and from 12 grades of ferritic Cr-Mo Alloy Steel.
ASTM A269
Austenitic Stainless Steel Coiled 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: 1/8 to 1/2 in.
- Wall Thickness: 0.70 mm to 2.00 mm
- Length: Extra long coils up to 2300 ft. (700 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 Seamless Coiled 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 Seamless Coiled Tube supplied.
Brand – 
SS 321 Seamless Coiled 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 seamless Coiled tube and supported with the Material Test Report. It is 100% traceable to our mill.
Available Stainless Steel Seamless Coiled Tubing Grades
Stainless Steel 321 SMLS Coiled Tubes Packing & Documentation
ASTM A269 TP321 Seamless Coiled 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 Seamless Coiled 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 Seamless Coiled Tube and SS 321 Seamless Coiled 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 Seamless Coiled Tubes.
We also confirm the guarantee of the seamless Coiled 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 Seamless Coiled 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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