Stainless Steel 321/321H Welded Pipes/Tubes in Lucknow
ASME SA312 SS TP321 Welded Pipes Manufacturer in Talkatora, SS 321 ASME SA249 Welded Tube Supplier in Amausi, SS 1.4541 Welded Tubing Dealer in Lucknow, SS ASTM A312 321H Welded Pipe Stockist in Aishbagh, Stainless Steel UNS S32100 Welded Pipes Distributor in Arjunganj.
Table of Content:
- What is Stainless Steel 321/321H Welded Pipe/Tube?
- SS 321/321H Welded Pipe/Tube Equivalent Grades
- Standard Specification For SS 321/321H Welded Pipe/Tube
- Chemical Composition of TP321/TP321H Welded Steel Pipes/Tubes
- Mechanical Properties of 321/321H Stainless Steel Welded Pipe/Tube
- Types Of Gr.321/321H Stainless Steel Welded Pipe/Tube
- Application for SS 321/321H Welded Pipes/Tubes
- People Also Searched For




Stainless Steel ASTM A269 TP321 Welded Tubing Manufacturer in Mohanlalganj, SS UNS S32109 Welded Tube Manufacturer in Chinhat, ASTM A312 SS TP321H Welded Pipes Manufacturer in Aishbagh, SS UNS S32100 Welded Tube Dealer in Talkatora, ASME SA269 SS TP321H Welded Tubing Manufacturer in Lucknow.
Preston Pipes and Alloys is a prominent producer, supplier, supplier, and stockiest of Stainless Steel 321, 321H Welded (ERW, EFW) Pipes/Tubes in Mumbai, India. Stainless Steel 321 grade is a chromium-nickel steel grade. SS 321 welded pipes have high corrosion resistance to atmospheric conditions, sterilizing solutions, various organic chemicals, as well as a variety of inorganic chemicals. SS 321 Welded Pipes is a common austenitic 18/8 stainless steel alloy. The addition of titanium makes it a good choice for high pressure conditions of up to 900 degrees Celsius.
Preston Pipes and Alloys is highly active in the manufacturing of 321-grade pipes and tubes of varied types across India. They are, SS 321 Welded pipes/ tubes, SS 321 ERW Pipes/Tubes, and SS 321 EFW pipes/tubes.Stainless Steel 321H is a higher carbon version of the 321 grade offering a higher temperature strength. The Stainless Steel 321 Welded Pipes and SS 321 Welded Tubes exhibit good welding and forming properties. Owing to this functionality, these pipes and tubes are used widely in operating temperature environments greater than 500 degrees C.
Our SS 321 EFW pipes are majorly applicable in manufacturing of pressure vessels, heat exchangers, pharmaceutical equipment and chemical processing equipment in Gujarat, India. We produce these 321 grades EFW pipes and tubes in various sizes, dimensions, thicknesses, and lengths in Mumbai, India. Apart from the standard sizes, we also produce our pipes and tubes in custom sizes according to our valued client’s requirement in Rajasthan, India.
The Stainless Steel Welded 321H Tubes are generally used for applications that require heating temperature between 800 degrees F and 1650 degree F, for example, aircraft collector rings, exhaust manifolds, expansion joints, and high-temperature chemical process equipment. The overall properties of these Stainless Steel 321H Welded Pipes make them an exceptional, relatively affordable choice for many applications. We, at Preston Pipes and Alloys are one of the best exporters of SS 321 ERW tubes in Mumbai, India. To ensure the top-notch quality of our pipes and tubes we perform different tests on our products.
The tests performed are flattening test, Positive Material Identity test, product analysis, transverse tension test, etching test, radiographic examination, grain size test, hardness test, bend test, flare test, stabilizing heat treatment, intergranular corrosion test and so on. At Preston Pipes and alloys we use advanced technologies to produce our pipes and tubes, thus manufacturing top-notch quality products.
Stainless Steel 1.4878 Welded Pipes Distributor in Lucknow, Stainless Steel UNS S32109 Welded Pipes Distributor in Amausi, 1.4541 Stainless Steel Welded Tubing Supplier in Chinhat, ASTM A312 Stainless Steel TP321 Welded Pipes Supplier in Lucknow, ASME SA269 Stainless Steel TP321 Welded Tubing in Mohanlalganj.
Equivalent Grades
STANDARD | WERKSTOFF NR. | UNS | JIS | EN |
SS 321 | 1.4541 | S32100 | SUS 321 | X6CrNiTi18-10 |
SS 321H | 1.4878 | S32109 | SUS 321H | X6CrNiTi18-9 |

Standard Specification
Specifications :
Standard :
Welded Size :
ERW Size :
EFW Size :
Outside Diameter :
Length :
Thickness :
Schedule :
Type :
Form:
End :
ASTM A/ASME SA213, A249, A269, A312, A358
ASTM, ASME and API
1/2″ NB – 16″ NB
1/2″ NB – 24″ NB
6″ NB – 100″ NB
6.00 mm OD up to 914.4 mm OD, Sizes up to 24” NB available
Single Random, Double Random & Required Length
0.3mm – 50 mm
SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH120, SCH140, SCH160, XXS
Seamless, Welded, ERW, EFW
Round Pipes, Square Pipes, Rectangular Pipe
Plain End, Beveled End, Treaded
Chemical Composition
Grade | C | Mn | Si | P | S | Cr | N | Ni | Ti |
SS 321 | 0.08 max | 2.0 max | 1.0 max | 0.045 max | 0.030 max | 17.00 - 19.00 | 0.10 max | 9.00 - 12.00 | 5(C+N) – 0.70 max |
SS 321H | 0.04 – 0.10 | 2.0 max | 1.0 max | 0.045 max | 0.030 max | 17.00 - 19.00 | 0.10 max | 9.00 – 12.00 | 4(C+N) – 0.70 max |
Mechanical Properties
Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
8.0 g/cm3 | 1457 °C (2650 °F) | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 35 % |
Types Of Grade 321/321H Stainless Steel Welded Pipes/ Tubes
Stainless Steel Grade 321/321H Welded Pipe
- ASME SA312 SS 321H Welded Pipe Supplier in Lucknow
- Stainless Steel 321H Welded Pipes in Arjunganj
- 321H Welded Pipe in Lucknow
- ASTM A312 Stainless Steel TP321H Welded Pipes Dealer in Talkatora
- SS 1.4878 Welded Pipe Stockist in Lucknow
- 1.4541 Stainless Steel Welded Pipes in Mohanlalganj
- 1.4541 Stainless Steel Welded Pipes in Arjunganj
- SS 1.4878 Cold Drawn Pipes in Lucknow
- Cold Drawn SS 1.4878 Welded Pipes in Chinhat
- ASME SA312 SS 321 Welded Pipe in Talkatora
SS 321/321H Welded Tubes Equivalent Grades
- TP321H SS Welded Tubing Stockist in Chinhat
- SS ASME SA269 321 Welded Tubing Dealer in Mohanlalganj
- 321 Welded Tubing in Lucknow
- SS 321 Welded Tube in Aishbagh
- ASTM A269 SS TP321 Welded Tube in Amausi
- SS TP321 Tube in Arjunganj
- ASME SA269 SS 321H Welded Tubing Stockist in Lucknow
- SS UNS S32109 Welded Tubing Supplier in Talkatora
- 1.4541 SS Welded Tube Distributor in Chinhat
- Stainless Steel UNS S32109 Welded Tube in Aishbagh
Application Industry
SS TP321 Welded Pipes are known to deliver exceptional performance and are generally developed for meeting the demands. We offer a broad range of SS UNS S32109 Welded Tubing through a worldwide network of stock-keeping branches. These are use in various industries like :

- Chemical Plants
- Off-Shore Oil Drilling Companies
- Petrochemical Processing Plant
- Sea Water Equipment
- Specialty Chemicals
- Food Processing Industry
- Construction Industry
- Shipbuilding Industry
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