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

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

ASTM A312 Stainless Steel TP321H Welded Pipes Dealer in Hajipur, SS TP321H ASME SA269 Welded Tubing Manufacturer in Kopakala, SS UNS S32109 Welded Tubing Distributor in Patna, Stainless Steel ASTM A312 321 Welded Pipe Supplier in Dehri, Stainless Steel UNS S32109 Welded Pipes Supplier in Patliputra.

Table of Content:

SS ASTM A269 321 Welded Tubing Manufacturer in Gidha, SS 1.4878 Welded Tubing Dealer in Bihta, ASTM A312 Stainless Steel 321 Welded Pipe Dealer in Dehri, SS 1.4878 Welded Tubing in Hajipur, ASME SA249 SS 321 Welded Tube Supplier in Patna.

Preston Pipes and Alloys is a notable producer, 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 grade. Stainless Steel 321 welded 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 option for high-temperature conditions below 900 degree C.

Preston Pipes and Alloys is highly active 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 offering a higher temperature resistance. These SS 321 Welded Pipes and SS 321 Welded Tubes show good welding and forming abilities. Owing to this functionality, these pipes and tubes are widely used in temperatures ranging from greater than 500 degrees C.

The SS 321H pipes are mainly used in manufacturing of pressure vessels, heat exchangers, pharmaceutical equipment and chemical processing equipment in Gujarat, India. We produce these 321 grades welded pipes and tubes in different sizes, dimensions, thicknesses, and lengths in Mumbai, India. Besides the standard sizes, we also manufacture our pipes and tubes in customized sizes according to our esteemed client’s expectations 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 example, aircraft collector rings, exhaust manifolds, expansion joints, and high-temperature chemical process equipment. The overall characteristics of these Stainless Steel 321H Welded Pipes make them an extraordinary, relatively inexpensive option for many applications. We are one of the best manufacturers of Stainless Steel 321 ERW pipes in Mumbai, India. To ensure the best quality of our products we perform different tests on our pipes and tubes.

The tests performed include mill 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. We use advanced technologies to produce our pipes and tubes, hence producing top-notch quality products.

SS 1.4541 Welded Pipe Dealer in Patna, SS UNS S32109 Welded Pipes Dealer in Kopakala, UNS S32100 SS Welded Tubing in Bihta, ASTM A312 Stainless Steel 321H Welded Pipes Stockist in Patna, ASTM A269 SS 321 Welded Tube Distributor in Gidha.

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 Tube are known to deliver exceptional performance and are generally developed for meeting the demands. We offer a broad range of Stainless Steel 1.4878 Welded Tubing through a worldwide network of stock-keeping branches. These are use in various industries like :

Application Industry

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