With in-house quality testing and certification, you can count on quality materials delivered with proper documentation.
Stainless Steel 321/321h Corrugated Tube Manufacturer.
SEAMLESS: DIN 1.4541 Corrugated Tube | UNS S32100 Corrugated Tube | JIS SUS 321 Corrugated Tube | ASTM A213 TP321h Corrugated Tube | BS 321S31 Corrugated Tube | EN X6CrNiTi18-10 Corrugated Tube | DIN 1.4878 Corrugated Tube
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MPJ Tubing Solutions LLP, a renowned name in the tubing industry, takes pride in offering high-quality Stainless Steel 321/321H Corrugated Tubes that meet and exceed international standards, including ASTM A213. These tubes are designed for outstanding performance and reliability in a wide range of industrial applications. As a reputable exporter, MPJ Tubing Solutions LLP serves customers not only in South Africa but also around the world, providing them with reliable and durable tubing solutions.
The Stainless Steel 321/321H Corrugated Tubes offered by MPJ Tubing Solutions LLP are manufactured with precision, using top-grade stainless steel materials. This ensures corrosion resistance, high-temperature strength, and exceptional durability. The tubes have a versatile range of applications, making them ideal for industries such as petrochemical, chemical, pharmaceutical, and more.
One of the standout features of these tubes is their precise dimensions. With outer diameters ranging from 9.52 mm to 100 mm, thicknesses of 0.5 mm to 3.0 mm, and various corrugation specifications (pitch and depth), these tubes can be tailored to meet specific project requirements. Whether it’s for heat exchangers, boilers, or other demanding applications, these tubes are up to the task.
MPJ Tubing Solutions LLP’s commitment to quality doesn’t stop at the product itself. They also prioritize the customer experience, ensuring that clients receive exceptional service from inquiry to delivery. Their dedication to maintaining high standards has earned them a reputation as a trustworthy partner in the tubing industry.
In addition to their dedication to quality and customer satisfaction, MPJ Tubing Solutions LLP also places a strong emphasis on compliance with international standards. Their SS 321/321H Corrugated Tubes conform to ASTM, ASME, DIN EN (German), NF (AFNOR), and JIS (Japan) specifications, ensuring that they can be seamlessly integrated into projects worldwide.
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Stainless Steel 321/321h Corrugated 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 Corrugated 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 A213 TP321h Corrugated 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 Corrugated 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.
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Size Range
- Outside diameter of plain ends: 9.52 mm~100 mm
- Thickness of plain ends: 0.5 mm~3.0 mm
- Corrugation Pitch: 1.00 mm~15.00 mm
- Corrugation Depth: 0.2 mm~1.2 mm
- Length: 500 mm~10000 mm
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 Corrugated 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 Corrugated Tube supplied.
Brand – 
SS 321 Corrugated 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 Corrugated Tube and supported with the Material Test Report. It is 100% traceable to our mill.
Available Stainless Steel Corrugated Tubing Grades
- Stainless Steel 304 Corrugated Tubes
- Stainless Steel 304H Corrugated Tubes
- Stainless Steel 304L Corrugated Tubes
- Stainless Steel 310 Corrugated Tubes
- Stainless Steel 310H Corrugated Tubes
- Stainless Steel 310S Corrugated Tubes
- Stainless Steel 316 Corrugated Tubes
- 253MA Stainless Steel Corrugated Tubes
Stainless Steel 321 Corrugated Tubes Packing & Documentation
ASTM A213 TP321h Corrugated 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 Corrugated 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 Corrugated Tube and SS 321h Corrugated 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 SS 321 Corrugated Tubes.
We also confirm the guarantee of the 321h SS Corrugated 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 Corrugated 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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