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

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

SS 1.4541 SMLS Tubing Manufacturer in Meerut, SS UNS S32100 SMLS Pipe Supplier in Rithani, SS 321 ASME SA249 SMLS Tubing Supplier in Partapur, Stainless Steel UNS S32100 SMLS Tube Supplier in Ghukna, Stainless Steel ASME SA312 321H SMLS Pipe Distributor in Sai Puram.

Table of Content:

ASME SA312 SS 321 Seamless Pipe Dealer in Mohkam Pur, Stainless Steel ASME SA249 TP321H Seamless Tube Stockist in Udyog Puram, SS 1.4541 SMLS Tubing Stockist in Mohkam Pur, ASME SA269 SS TP321H SMLS Tube Manufacturer in Meerut, ASTM A312 Stainless Steel 321 SMLS Pipe Dealer in Sai Puram.

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

Stainless Steel 321 Seamless Tubes are utilized for applications in the temperature range of up to about 900 degrees C, combining high strength, resistance to scaling and phase stability with subsequent aqueous corrosion resistance. Stainless Steel 321H Seamless Tubes have outstanding formability and weldability, superior toughness, even down to low temperatures. SS 321 Seamless Tubes exhibit resistance to oxidation in temperature ranges up to 816 degrees C, higher creep and stress rupture characteristics, and good low temperature strength.

Stainless Steel 321H Seamless Pipes is the modified high carbon version of SS 321 a general purpose austenitic Stainless Steel that is strengthened against carbide precipitation. Stainless Steel 321 Seamless Pipes are used in numerous applications due to their improved creep resistance and higher toughness at temperatures above 1000 degrees F. Our SS 321H Seamless Tubes are known for their features like strength, rugged construction, easy formability, ready weldability by most standard processes, and dimensional accuracy and highly demanded across India. Stainless Steel 321H Seamless Tubes are developed to function within the temperature range of carbide precipitation 800 to 1500 degrees F.

SS 321 Seamless Pipes are supplied by us in various industrial application across India these industries include Aerospace Engineering, Petrochemical Equipment, Expansion Joints, Food Processing Equipment, Oil and Gas Refining, Thermal Oxidizers, and Pharmaceutical Production, etc. 321 SS Seamless Tubes can be used in most diluted organic acids at medium temperatures and in pure phosphoric acid at cycrogenic temperatures and up to 10 per cent diluted solutions at high temperatures. SS 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 make sure that our clients get only superior quality products and conduct various quality checks such as Hardness Testing, Chemical Analysis, PMI Testing, and so on. We also provide numerous test certificates along with our SS 321H Seamless Pipes including Raw Materials Certificate, 100 per cent Radiography Test Report, Quality Certificates, Third Party Inspection Report. We export these SS 321H Seamless Pipes to various regions across India.

SS 1.4878 SMLS Pipes Distributor in Meerut, Stainless Steel 1.4541 SMLS Pipe Manufacturer in Partapur, 1.4541 SS Seamless Tubing Supplier in Ghukna, ASME SA312 SS TP321H Seamless Pipe Distributor in Meerut, ASTM A249 SS 321 SMLS Tube Supplier in Udyog Puram.

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

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

Application Industry

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