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Stainless Steel 321/321h Welded Tube Manufacturer.
WELDED: 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| DIN 1.4878 Tube
SS S32100 Welded Tube, ASTM A249 TP321 SS Welded Tubes, Stainless Steel 321h Welded Tubes, Stainless Steel 1.4541 Welded Tube, ASME SA269 SS 321 Welded Tubing, 321h SS Welded Tube Manufacturer in India, SS 321 ERW Tubes Supplier in Qatar, Steel 321h Welded Tubes Exporter in Australia, ASTM A270 TP321 Stainless Steel ERW Tubes, Stainless Steel 321h Welded Tubing.
The Stainless Steel 321 Welded Tubes are austenitic stainless steel that are stabilized with the addition of titanium. The Stainless Steel 321H Welded Pipes are a high carbon version of 321 Alloy which is developed with high strength at elevated temperatures. MPJ is one of the best exporters, manufacturers and stockists of stainless steel. Our brand has become a common household name, especially due to the in-class quality products and solutions that we offer to our consumers. We highly value our consumers and their requirements, for which our services have been widely accepted across the globe. Some of our top exported counties include France, UK, Australia, Netherlands, Italy, Finland, Tanzania, Zambia, Ethiopia, Tunisia, Namibia, Kenya, Iran, Egypt, Iraq, Taiwan, Oman, Kuwait, Syria, Yemen, Philippines, Azerbaijan, Hong Kong, Israel.
The products that we develop are made in accordance with both national and international markets. This is achieved by years of experience and dedication, powered by efficient infrastructure and technologically. The chemical composition of the Stainless Steel 321/321H Welded Tubos incorporate manganese, carbon, nickel, titanium, nitrogen, chromium, phosphorus and sulfur. The presence of these chemicals, specifically titanium, gives the UNSS32100 (321) and UNSS32109 (321H) welded tubes properties like high durability, elongation, longevity, toughness, flexibility, great tensile strength, yield strength, electrical resistivity and good dimensional accuracy. These tubes also have other abilities like good resistance against corrosion, oxidation and pitting alongside high crevice corrosion and stress corrosion cracking.
The Stainless Steel 321H Welded Tubes are used in a wide range of industries such as petrochemicals, transportation units, marine engineering, oil and gas industry, among others. As a renowned brand, MPJ offers the best quality Stainless Steel 316 Welded Tubos that comes with 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 offer are ASTM, ASME, DIN EN (Germany), NF (AFNOR) and JIS (Japan). Moreover, 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 bright annealed/solution annealed and passivated.
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Stainless Steel 321/321h Welded 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 Welded 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 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 Welded 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).
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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 Welded 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 Welded Tube supplied.
Brand –
SS 321 Welded 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 Welded Tubing Grades
Stainless Steel 321 ERW Tubes Packing & Documentation
ASTM A269 TP321h Welded 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 Welded 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 Tube and SS 321hL Welded 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 Welded 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 Welded 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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