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

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

ASME SA312 Stainless Steel TP321 Welded Pipe Manufacturer in Sinnar, SS 321 ASTM A249 Welded Tube Supplier in Vinchur, SS 1.4878 Welded Tube Manufacturer in Nashik, SS ASME SA312 TP321H Welded Pipe Dealer in Ambad, Stainless Steel 1.4541 Welded Pipes Stockist in Koknipura.

Table of Content:

Stainless Steel ASTM A249 321H Welded Tube Supplier in Satpur, SS 1.4541 Welded Tubing Supplier in Anandvalli, ASTM A312 Stainless Steel 321H Welded Pipes Dealer in Ambad, Stainless Steel 1.4541 Welded Tube Manufacturer in Sinnar, ASME SA269 Stainless Steel 321H TP321 Welded Tube Manufacturer in Nashik.

Preston Pipes and Alloys is a respected manufacturer, distributor, supplier, and stockiest of Stainless Steel 321, 321H Welded (ERW, EFW) Pipes/Tubes in Mumbai, India. Stainless Steel 321 alloy is a chromium-nickel steel alloy. SS 321 welded pipes have high corrosion resistance to atmospheric conditions, sterilizing solutions, various organic chemicals, and a variety of inorganic chemicals. SS 321 Welded Pipes is a common austenitic 18/8 stainless steel alloy. The titanium content makes it a good choice for high pressure environments of up to 900 degree C.

We are involved in the production of 321-grade pipes and tubes of various types across India. They are, SS 321 Welded pipes/ tubes, SS 321 ERW Pipes/Tubes, and SS 321 EFW pipes/tubes. SS 321H is a higher carbon version of the 321 grade which offers a higher temperature strength. These Stainless Steel 321 Welded Pipes and Stainless Steel 321 Welded Tubes exhibit very good welding and forming properties. Due to this functionality, they are widely used in operating temperature environments greater than 500 degrees C.

The Stainless Steel 321 EFW pipes are mainly used in the production 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. Besides the standard sizes, we also produce our pipes and tubes in customized sizes as per our esteemed customer’s demand in Rajasthan, India.

Our SS 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 properties of these Stainless Steel 321H Welded Pipes make them an extraordinary, relatively low-cost option for many applications. We, at Preston Pipes and Alloys are one of the best manufacturers of SS 321 ERW tubes in Mumbai, India. To ensure the top-notch quality of our products we perform various tests on our pipes and tubes.

The tests performed include mill 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 more. At Preston Pipes and alloys we use high-end modern technologies to manufacture our pipes and tubes, thus producing high quality products.

Stainless Steel UNS S32109 Welded Pipes Distributor in Nashik, SS UNS S32100 Welded Pipes Stockist in Vinchur, UNS S32109 SS Welded Tube Supplier in Anandvalli, ASTM A312 Stainless Steel TP321 Welded Pipes Stockist in Nashik, ASME SA269 Stainless Steel 321H Welded Tube Distributor in Satpur.

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 Pipes are known to deliver exceptional performance and are generally developed for meeting the demands. We offer a broad range of Stainless Steel 1.4541 Welded Tubing through a worldwide network of stock-keeping branches. These are use in various industries like :

Application Industry

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