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

Stainless Steel 321/321H Seamless Pipes/Tubes in Pimpri-Chinchwad

SS 1.4878 Seamless Tubing Manufacturer in Pimpri-Chinchwad, Stainless Steel UNS S32109 SMLS Pipe Manufacturer in Dapodi, Stainless Steel TP321H ASTM A269 SMLS Tube Distributor in Hinjawadi, Stainless Steel 1.4878 SMLS Tubing in Bopkhel, Stainless Steel ASTM A312 TP321 SMLS Pipe Distributor in Charholi.

Table of Content:

ASTM A312 SS TP321 Seamless Pipes Supplier in Bhosari, SS ASTM A269 321 SMLS Tube Stockist in Dighi, SS UNS S32100 SMLS Tube Supplier in Bhosari, ASTM A269 Stainless Steel TP321H Seamless Tubing Dealer in Pimpri-Chinchwad, ASTM A312 Stainless Steel TP321 SMLS Pipes Stockist in Charholi.

Preston Pipes & Alloys is a prominent manufacturer, distributor and exporter of Stainless Steel 321/321H Seamless Pipes/Tubes in Mumbai, India.

Stainless Steel 321 Seamless Tubes are used for applications with a temperature range of up to around 900 degrees C, combining high strength, resistance to scaling and phase stability with subsequent aqueous corrosion resistance. SS 321 Seamless Tubes have excellent formability and weldability, exceptional durability, even down to cryogenic temperatures. Stainless Steel 321 Seamless Tubes exhibit resistance to oxidation in temperature ranges up to 1500 degrees F, higher creep and stress rupture characteristics, and good cryogenic temperature toughness.

Stainless Steel 321H Seamless Pipes is the modified high carbon version of SS 321 a general purpose austenitic SS that is stabilized against carbide precipitation. SS 321 Seamless Tubes are used in various applications owing to their improved creep resistance and superior toughness at temperatures above 1000 degrees F. Our Stainless Steel 321 Seamless Pipes are well-known for their features like durability, rugged construction, easy formability, ready weldability by most standard methods, and dimensional precision and highly demanded across India. Stainless Steel 321H Seamless Tubes are developed to work within the temperature range of carbide precipitation 800 to 1500 degrees F.

SS 321H Seamless Pipes are supplied by us in various industrial application across India these industries include Piston Engine Manifolds, Petrochemical Equipment, Expansion Joints, Food Processing Equipment, Waste Treatment Plants, Desalination Plants, and Medical Equipment, etc. 321H SS Seamless Tubes can be used in most diluted organic acids at moderate temperatures and in pure phosphoric acid at lower temperatures and up to 10% diluted solutions at elevated temperatures. Stainless Steel 321 Seamless Pipes resists polythionic acid stress corrosion cracking in hydrocarbon service and can be used in chloride free caustic solutions at mild temperatures.

We at Preston Pipes & Alloys ensure that our consumers get only superior quality products and undertake numerous quality checks such as Mechanical Testing, Spectro Analysis, Positive Material Identification Testing, and more. We also provide various test certificates along with our Stainless Steel 321H Seamless Pipes including Manufacturer Test Certificate according to EN 10204/3.1B, 100% Radiography Test Report, Quality Certificates, Third Party Inspection Report. We export these SS 321 Seamless Pipes to various regions across India.

Stainless Steel UNS S32100 Seamless Pipes Dealer in Pimpri-Chinchwad, Stainless Steel UNS S32100 Seamless Pipes in Hinjawadi, UNS S32109 Stainless Steel Seamless Tubing Dealer in Bopkhel, ASTM A312 SS TP321 SMLS Pipes Supplier in Pimpri-Chinchwad, ASTM A269 Stainless Steel TP321H Seamless Tubing Dealer in Dighi.

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 :

Seamless 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

Grade Density Melting Point Tensile Strength Yield Strength (0.2%Offset) Elongation
321/321H 8.0 g/cm3 1457 °C (2650 °F) Psi – 75000 , MPa – 515 Psi – 30000 , MPa – 205 35 %

Types Of Grade 321/321H Stainless Steel Seamless Pipes/ Tubes

PipeStainless Steel Grade 321/321H Seamless Pipe

Pipe SS 321/321H Seamless Tubes Equivalent Grades

Application Industry

SS 321 SMLS Pipe are known to deliver exceptional performance and are generally developed for meeting the demands. We offer a broad range of Stainless Steel UNS S32109 SMLS Pipes through a worldwide network of stock-keeping branches. These are use in various industries like :

Application Industry

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