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

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

ASTM A312 Stainless Steel TP321H Welded Pipe Distributor in Ballabhgarh, Stainless Steel 321 ASME SA269 Welded Tubing Distributor in Sarurpur, SS UNS S32109 Welded Tubing Supplier in Faridabad, Stainless Steel ASTM A312 321 Welded Pipes Manufacturer in Chandawli, SS UNS S32109 Welded Pipes in Nawadah.

Table of Content:

SS ASTM A249 321H Welded Tubing Dealer in Palwal, Stainless Steel UNS S32100 Welded Tube Dealer in Hathin, ASTM A312 Stainless Steel TP321 Welded Pipes Manufacturer in Chandawli, SS UNS S32100 Welded Tubing in Ballabhgarh, ASTM A269 Stainless Steel TP321H Welded Tube Dealer in Faridabad.

Preston Pipes and Alloys is a respected producer, distributor, supplier, and exporter of Stainless Steel 321, 321H Welded (ERW, EFW) Pipes/Tubes in Mumbai, India. Stainless Steel 321 grade is a chromium-nickel steel alloy. SS 321 welded pipes are resistant to atmospheric corrosion, sterilizing solutions, many 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.

We are highly active in the production of 321-grade pipes and tubes of varied types across India. They include, 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. These Stainless Steel 321 Welded Pipes and Stainless Steel 321 Welded Tubes display good welding and forming properties. Owing to this functionality, these pipes and tubes are widely used in operating temperature environments more than 500 degrees C.

The Stainless Steel 321 EFW pipes are mainly used in manufacturing of pressure vessels, heat exchangers, pharmaceutical equipment and chemical processing equipment in Gujarat, India. We manufacture these 321 grades ERW 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 valued client’s demand in Rajasthan, India.

Our SS Welded 321H Tubes are usually used in 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 these SS 321H Welded Pipes make them an extraordinary, relatively affordable option for a wide variety of applications. We are one of the best exporters of SS 321 ERW tubes in Mumbai, India. To ensure the high-quality of our pipes and tubes we perform different tests on our pipes and tubes.

The tests performed include 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 more. At Preston Pipes and alloys we use advanced technologies to manufacture our pipes and tubes, hence producing high quality products.

Stainless Steel 1.4878 Welded Pipe Supplier in Faridabad, SS UNS S32100 Welded Pipes Manufacturer in Sarurpur, UNS S32109 SS Welded Tube Distributor in Hathin, ASTM A312 Stainless Steel 321H Welded Pipe Supplier in Faridabad, ASTM A269 SS 321 Welded Tubing Supplier in Palwal.

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 321H Welded Tube are known to deliver exceptional performance and are generally developed for meeting the demands. We offer a broad range of SS 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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