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

Stainless Steel 321/321H Seamless Pipes/Tubes in Kanpur

Stainless Steel UNS S32109 Seamless Tubing Stockist in Kanpur, SS 1.4541 Seamless Pipes in Mulganj, Stainless Steel 321 ASTM A249 SMLS Tube Dealer in Dada Nagar, SS 1.4541 SMLS Tubing in Collectorganj, SS ASME SA312 TP321 SMLS Pipes Stockist in Panki.

Table of Content:

ASME SA312 SS TP321 Seamless Pipe Manufacturer in Fazalganj, SS ASME SA269 321H Seamless Tube Distributor in Jajmau, Stainless Steel 1.4541 SMLS Tube in Fazalganj, ASME SA269 SS 321 SMLS Tube Dealer in Kanpur, ASME SA312 SS TP321 Seamless Pipe Manufacturer in Panki.

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

SS 321 Seamless Pipes are utilized 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 outstanding formability and weldability, superior durability, even down to cryogenic temperatures. Stainless Steel 321 Seamless Pipes exhibit oxidation resistance in temperature ranges up to 816 degrees C, higher creep and stress rupture properties, and good low temperature toughness.

SS 321H Seamless Tubes is the modified high carbon version of Stainless Steel 321 a general purpose austenitic SS that is stabilized against carbide precipitation. SS 321 Seamless Tubes are used in various applications due to their improved creep resistance and higher strength at temperatures above 537 degrees C. Our SS 321 Seamless Pipes are known for their features like strength, rugged construction, easy machinability, ready weldability by most standard methods, and dimensional accuracy and highly demanded across India. SS 321H Seamless Pipes are designed to function within the temperature range of carbide precipitation 427 to 816 degrees C.

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

We at Preston Pipes & Alloys make sure that our clients get only superior quality products and conduct various quality checks such as Hardness Testing, Chemical Analysis, Positive Material Identification Testing, and so on. We also provide numerous test certificates along with our Stainless Steel 321H Seamless Tubes including Raw Materials Certificate, 100 per cent Radiography Test Report, Quality Certificates, Third Party Inspection Report. We supply these SS 321 Seamless Pipes to various cities across India.

SS 1.4541 SMLS Pipes Stockist in Kanpur, Stainless Steel UNS S32109 SMLS Pipes Stockist in Dada Nagar, UNS S32100 Stainless Steel SMLS Tube Supplier in Collectorganj, ASTM A312 Stainless Steel 321H Seamless Pipes Distributor in Kanpur, ASTM A269 Stainless Steel TP321 SMLS Tubing Stockist in Jajmau.

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

Application Industry

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