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

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

ASTM A312 Stainless Steel TP321H Welded Pipe Dealer in Oragadam, SS 321H TP321 ASME SA269 Welded Tube Distributor in Ennore, SS 1.4541 Welded Tubing Stockist in Chennai, Stainless Steel ASTM A312 321 Welded Pipes Manufacturer in Guindy, Stainless Steel 1.4878 Welded Pipe Manufacturer in Park Town.

Table of Content:

SS ASME SA249 TP321 Welded Tubing in Madhavaram, Stainless Steel UNS S32109 Welded Tube Manufacturer in Ambattur, ASME SA312 Stainless Steel 321 Welded Pipe Distributor in Guindy, SS UNS S32100 Welded Tube Manufacturer in Oragadam, ASME SA249 Stainless Steel 321H TP321 Welded Tubing Supplier in Chennai.

Preston Pipes and Alloys is a notable producer, distributor, distributor, and exporter of Stainless Steel 321, 321H Welded (ERW, EFW) Pipes/Tubes in Mumbai, India. SS 321 grade is a chromium-nickel steel alloy. Stainless Steel ERW pipes are resistant to atmospheric corrosion, sterilizing solutions, various organic chemicals, and a wide range of inorganic chemicals. Stainless Steel 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 below 900 degrees Celsius.

Preston Pipes and Alloys is involved in the manufacturing of 321-grade pipes and tubes of different 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 high carbon version of the 321 grade which offers a higher temperature strength. The SS 321 Welded Pipes and Stainless Steel 321 Welded Tubes display good welding and forming properties. Owing to this property, they are used widely in temperatures ranging from greater than 500 degrees C.

Our SS 321 EFW pipes are mainly used in the production of pressure vessels, heat exchangers, pharmaceutical and chemical processing equipment in Gujarat, India. We fabricate these 321 grades EFW pipes and tubes in many sizes, dimensions, thicknesses, and lengths in Mumbai, India. Besides the standard sizes, we also manufacture our pipes and tubes in customized sizes as per our esteemed client’s expectations in Rajasthan, India.

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

The tests performed are flattening 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 more. At Preston Pipes and alloys we use advanced technologies to manufacture our pipes and tubes, thus producing top-notch quality products.

Stainless Steel UNS S32100 Welded Pipes Dealer in Chennai, Stainless Steel UNS S32100 Welded Pipes in Ennore, 1.4541 Stainless Steel Welded Tubing Supplier in Ambattur, ASTM A312 SS 321H Welded Pipe Manufacturer in Chennai, ASTM A249 SS TP321 Welded Tube Dealer in Madhavaram.

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 321 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 Pipe through a worldwide network of stock-keeping branches. These are use in various industries like :

Application Industry

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