Preston Pipes and Alloys | Pipes Tubes Suppliers in Mumbai, India

Stainless Steel 321/321H Welded Pipes/Tubes in Ludhiana

ASME SA312 Stainless Steel 321H Welded Pipe Dealer in Jalandhar, Stainless Steel 321H TP321 ASTM A249 Welded Tubing Distributor in Doraha, Stainless Steel UNS S32100 Welded Tubing Manufacturer in Ludhiana, SS ASTM A312 321H Welded Pipes Manufacturer in Raikot, Stainless Steel UNS S32109 Welded Pipe Manufacturer in Khanna.

Table of Content:

SS ASME SA249 TP321 Welded Tubing Stockist in Dhandari Kalan, SS 1.4878 Welded Tubing Dealer in Mohali, ASTM A312 SS 321H Welded Pipe Distributor in Raikot, Stainless Steel 1.4541 Welded Tubing in Jalandhar, ASTM A269 Stainless Steel 321 Welded Tube Dealer in Ludhiana.

Preston Pipes and Alloys is a leading manufacturer, distributor, 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. Stainless Steel ERW pipes have high corrosion resistance to atmospheric conditions, sterilizing solutions, various organic chemicals, and a variety of inorganic chemicals. SS 321 Welded Tubes is a common austenitic 18/8 stainless steel alloy. The titanium content makes it a good choice for high-temperature environments below 900 degree C.

Preston Pipes and Alloys is involved in the production of 321-grade pipes and tubes of various types across India. For instance, 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 resistance. These Stainless Steel 321 Welded Pipes and SS 321 Welded Tubes show very good welding and forming abilities. Due to this functionality, they are used widely in operating temperature environments greater than 500 degrees C.

Our SS 321H pipes are majorly used in manufacturing of pressure vessels, heat exchangers, pharmaceutical equipment and chemical processing equipment in Gujarat, India. We fabricate these 321 grades welded 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 customer’s expectations in Rajasthan, India.

Our Stainless Steel Welded 321H Tubes are frequently used for applications that require heating temperature in the range of 800 degrees F and 1650 degree F, for example, aircraft collector rings, exhaust manifolds, expansion joints, and high-temperature chemical process equipment. The overall characteristics of these Stainless Steel 321H Welded Pipes make them an exceptional, relatively low-cost option for many applications. We are one of the best manufacturers of SS 321 ERW tubes in Mumbai, India. To assure the best quality of our products we perform various tests on the products.

The tests performed are mill test, PMI 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 manufacture our pipes and tubes, hence producing high quality products.

Stainless Steel 1.4541 Welded Pipe Stockist in Ludhiana, Stainless Steel 1.4541 Welded Pipes Dealer in Doraha, 1.4878 SS Welded Tube Stockist in Mohali, ASTM A312 Stainless Steel TP321H Welded Pipes Distributor in Ludhiana, ASME SA249 Stainless Steel TP321 Welded Tube Supplier in Dhandari Kalan.

Equivalent Grades

SS 321 1.4541 S32100 SUS 321 X6CrNiTi18-10
SS 321H 1.4878 S32109 SUS 321H X6CrNiTi18-9
Steel Pipes

Standard Specification

Specifications :

Standard :

Welded Size :

ERW Size :

EFW Size :

Outside Diameter :

Length :

Thickness :

Schedule :

Type :


End :

ASTM A/ASME SA213, A249, A269, A312, A358


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

PipeStainless Steel Grade 321/321H Welded Pipe

Pipe SS 321/321H Welded Tubes Equivalent Grades

Application Industry

SS TP321H Welded Pipe are known to deliver exceptional performance and are generally developed for meeting the demands. We offer a broad range of Stainless Steel UNS S32109 Welded Tube through a worldwide network of stock-keeping branches. These are use in various industries like :

Application Industry

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