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

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

Stainless Steel 1.4878 SMLS Tubing Distributor in Jaipur, SS 1.4878 SMLS Pipe Manufacturer in Mansarovar, SS TP321H ASME SA249 SMLS Tubing in Kanakpura, SS UNS S32100 SMLS Tube Distributor in Malviya Naga, SS ASME SA312 321H Seamless Pipes Supplier in Sitapura.

Table of Content:

ASME SA312 Stainless Steel 321 SMLS Pipes Distributor in Bindayaka, SS ASTM A249 321H Seamless Tube Stockist in Jhotwara, SS UNS S32109 Seamless Tube Dealer in Bindayaka, ASME SA249 Stainless Steel 321 SMLS Tube Supplier in Jaipur, ASTM A312 Stainless Steel TP321H Seamless Pipe Stockist in Sitapura.

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

Stainless Steel 321 Seamless Pipes are used for applications in the temperature range of up to about 900 degrees C, combining high strength, scaling resistance and phase stability with subsequent aqueous corrosion resistance. SS 321 Seamless Pipes have excellent forming and welding characteristics, superior toughness, even down to low temperatures. Stainless Steel 321 Seamless Pipes demonstrate resistance to oxidation in temperature ranges up to 1500 degrees F, higher creep and stress rupture characteristics, and good low temperature strength.

Stainless Steel 321H Seamless Tubes is the improved high carbon version of Stainless Steel 321 a general purpose austenitic SS that is stabilized against carbide precipitation. Stainless Steel 321 Seamless Tubes are used in various applications due to their improved creep resistance and higher strength at temperatures above 1000 degrees F. Our SS 321H Seamless Tubes are known for their features like strength, rugged construction, easy machinability, ready weldability by most standard processes, and dimensional precision and highly demanded across India. SS 321H Seamless Pipes are designed to work 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 applications include Aerospace Engineering, Petrochemical Equipment, Expansion Joints, Food Processing Equipment, Waste Treatment Plants, Thermal Oxidizers, and Medical Equipment, etc. 321 Stainless Steel Seamless Tubes are utilized in most diluted organic acids at moderate temperatures and in pure phosphoric acid at cycrogenic temperatures and up to 10 per cent diluted solutions at elevated temperatures. Stainless Steel 321H Seamless Tubes resists 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 consumers get only superior quality pipes and tubes and undertake numerous quality checks such as Hardness Testing, Spectro Analysis, PMI Testing, and more. We also provide various test certificates along with our SS 321 Seamless Tubes including Raw Materials Certificate, 100% Radiography Test Report, Quality Certificates, Third Party Inspection Report. We supply these SS 321 Seamless Tubes to various regions across India.

SS UNS S32100 SMLS Pipes Supplier in Jaipur, SS UNS S32100 Seamless Pipe in Kanakpura, 1.4541 Stainless Steel Seamless Tube Stockist in Malviya Naga, ASME SA312 SS 321 Seamless Pipe Stockist in Jaipur, ASME SA269 SS TP321H SMLS Tube Stockist in Jhotwara.

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