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

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

ASME SA312 Stainless Steel 321 Welded Pipes Stockist in Wagle, Stainless Steel 321 ASME SA249 Welded Tube Dealer in Murbad, SS 1.4541 Welded Tube Supplier in Thane, Stainless Steel ASTM A312 321 Welded Pipes Manufacturer in Tarapur, SS 1.4541 Welded Pipes in Badlapur.

Table of Content:

Stainless Steel ASTM A249 321 Welded Tube in Kalyan, SS 1.4541 Welded Tubing Stockist in Dombivli, ASME SA312 Stainless Steel 321H Welded Pipes Distributor in Tarapur, Stainless Steel 1.4878 Welded Tube Supplier in Wagle, ASTM A249 SS 321H TP321 Welded Tubing Manufacturer in Thane.

Preston Pipes and Alloys is a well-known producer, supplier, distributor, and stockiest of Stainless Steel 321, 321H Welded (ERW, EFW) Pipes/Tubes in Mumbai, India. SS 321 grade is a chromium-nickel steel grade. Stainless Steel 321 welded pipes are resistant to atmospheric corrosion, sterilizing solutions, various organic chemicals, as well as a wide range of inorganic chemicals. SS 321 Welded Pipes is a common austenitic 18/8 stainless steel alloy. The titanium content makes it a good option for high pressure environments of up to 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 high carbon version of the 321 grade providing a higher temperature resistance. The SS 321 Welded Pipes and SS 321 Welded Tubes exhibit very good welding and forming capabilities. Due to this property, they are used widely in temperatures ranging from more than 500 degrees C.

Our SS 321 EFW pipes are majorly used in manufacturing of pressure vessels, heat exchangers, pharmaceutical equipment and chemical processing equipment in Gujarat, India. We manufacture these 321 grades welded pipes and tubes in many 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 esteemed customer’s requirement in Rajasthan, India.

The Stainless Steel Welded 321H Tubes are generally used for applications that require heating temperature in the range of 800 degrees F and 1650 degree F, for instance, aircraft collector rings, exhaust manifolds, expansion joints, and high-temperature chemical process equipment. The overall characteristics of our Stainless Steel 321H Welded Pipes make them an extraordinary, relatively inexpensive option for a wide variety of applications. We, at Preston Pipes and Alloys are one of the best manufacturers of Stainless Steel 321 ERW pipes in Mumbai, India. To assure the best quality of our pipes and tubes we perform various tests on our pipes and tubes.

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. We use advanced technologies to manufacture our pipes and tubes, thus producing top-notch quality products.

Stainless Steel 1.4878 Welded Pipe Supplier in Thane, SS 1.4541 Welded Pipes Distributor in Murbad, UNS S32109 Stainless Steel Welded Tubing Dealer in Dombivli, ASME SA312 SS TP321 Welded Pipes Supplier in Thane, ASTM A249 Stainless Steel 321 Welded Tube Manufacturer in Kalyan.

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

Stainless Steel TP321H Welded Pipes are known to deliver exceptional performance and are generally developed for meeting the demands. We offer a broad range of Stainless Steel UNS S32100 Welded Tubing through a worldwide network of stock-keeping branches. These are use in various industries like :

Application Industry

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