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

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

ASME SA312 SS TP321 Welded Pipes Distributor in Katedhan, SS 321 ASME SA269 Welded Tube Distributor in Bollaram, SS UNS S32109 Welded Tubing in Hyderabad, SS ASME SA312 TP321H Welded Pipe Dealer in Patancheru, SS 1.4541 Welded Pipe Distributor in Mallapur.

Table of Content:

Stainless Steel ASTM A269 321 Welded Tubing in Ameenpur, SS 1.4878 Welded Tube Dealer in Miyapur, ASME SA312 Stainless Steel TP321H Welded Pipe Stockist in Patancheru, SS UNS S32109 Welded Tubing Supplier in Katedhan, ASTM A269 SS 321 Welded Tubing Manufacturer in Hyderabad.

Preston Pipes and Alloys is a prominent producer, distributor, distributor, 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, 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 option for high pressure conditions below 900 degrees Celsius.

We are involved in the manufacturing of 321-grade pipes and tubes of different types across India. They include, 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 which offers a higher temperature resistance. The SS 321 Welded Pipes and Stainless Steel 321 Welded Tubes exhibit very good welding and forming properties. Owing to this functionality, these pipes and tubes are used widely in temperatures ranging from greater than 500 degrees C.

The SS 321 EFW pipes are mainly applicable in manufacturing of pressure vessels, heat exchangers, pharmaceutical and chemical processing equipment in Gujarat, India. We produce these 321 grades welded pipes and tubes in various 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 frequently used for applications that require heating temperature between 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 exceptional, relatively affordable option for many applications. We, at Preston Pipes and Alloys are one of the leading manufacturers of SS 321 ERW tubes in Mumbai, India. To assure the high-quality of our pipes and tubes we perform various tests on our pipes and tubes.

The tests performed include 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 so on. We use advanced technologies to manufacture our pipes and tubes, hence manufacturing top-notch quality products.

Stainless Steel 1.4541 Welded Pipe Dealer in Hyderabad, Stainless Steel UNS S32109 Welded Pipe in Bollaram, 1.4541 Stainless Steel Welded Tube Dealer in Miyapur, ASTM A312 Stainless Steel TP321H Welded Pipe Stockist in Hyderabad, ASTM A269 SS 321 Welded Tubing Manufacturer in Ameenpur.

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